1/271. Millennium Aviation Millennium Aviation. Owner: Operator: Airframe Eng 1 Eng 2. Learjet 55 TFE731-3CR-3B TFE731-3CR-3B

Transcription

1 N531K STATUS PORT Owner: Operator: Millennium Aviation Millennium Aviation Airframe Eng 1 Eng 2 Learjet 55 TFE731-3CR-3B TFE731-3CR-3B P C P C 6-May Jan Jan , , , ,364 9,8 9,3 1,391 ACH General : EMM,FAR 91,FAA Cost: 34+ Man : 257+ Analyst: Tory Leo Martin tmartin@traxxall.com Q 5 - TIME LIMITS/MAINTENANCE CHECKS Airframe Inspection A1 5 A/F Oct Oct , Days (+14) (+25) Airframe Inspection A2 5 A/F Oct Oct , Days (+14) (+25) Airframe Inspection A3 5 A/F Oct Oct , Days (+14) (+25) Airframe Inspection A4 5 A/F Oct Oct , Days (+14) (+25) Airframe Inspection A5 5 A/F Oct Oct , Days (+14) (+25) Airframe Inspection A6 5 A/F Oct Oct , Days (+14) (+25) Airframe Inspection B1 5 A/F 5 (Tol. Adjustment: -43d, -3.4 ) 2-Oct Sep , Year (+14 Days) 589 (+25) Airframe Inspection B2 5 A/F 5 (Tol. Adjustment: -43d, -3.4 ) 2-Oct Sep , Year (+14 Days) 589 (+25) Generated: 22-Aug-217 6:44 PM 1/271

2 N531K STATUS PORT Learjet 55 N531K,SN Airframe Inspection B3 Q 5 A/F 5 (Tol. Adjustment: -43d, -3.4 ) 2-Oct Sep , Year (+14 Days) 589 (+25) 511 Complete Phase A Inspection 5 A/F 2-Oct Oct , Days (+14) (+25) Airframe Inspection B4 5 A/F 5 (Tol. Adjustment: -43d, -3.4 ) 2-Oct Sep , Year (+14 Days) 589 (+25) Airframe Inspection B5 5 A/F 5 (Tol. Adjustment: -43d, -3.4 ) 2-Oct Sep , Year (+14 Days) 589 (+25) 5-1- Airframe Inspection B6 5 A/F 5 (Tol. Adjustment: -43d, -3.4 ) 2-Oct Sep , Year (+14 Days) 589 (+25) Airframe Inspection C1 5 A/F 513 (Tol. Adjustment: -42d, -3.4 ) 2-Oct ,2 7-Sep-22, Years (+14 Days) 1,189 (+25) Airframe Inspection C2 5 A/F 513 (Tol. Adjustment: -42d, -3.4 ) 2-Oct ,2 7-Sep-22, Years (+14 Days) 1,189 (+25) Airframe Inspection C3 5 A/F 513 (Tol. Adjustment: -42d, -3.4 ) 2-Oct ,2 7-Sep-22, Years (+14 Days) 1,189 (+25) Airframe Inspection C4 5 A/F 513 (Tol. Adjustment: -42d, -3.4 ) 2-Oct ,2 7-Sep-22, Years (+14 Days) 1,189 (+25) Airframe Inspection C5 5 A/F 513 (Tol. Adjustment: -42d, -3.4 ) 2-Oct ,2 7-Sep-22, Years (+14 Days) 1,189 (+25) Airframe Inspection C6 5 A/F 513 (Tol. Adjustment: -42d, -3.4 ) 2-Oct ,2 7-Sep-22, Years (+14 Days) 1,189 (+25) Generated: 22-Aug-217 6:44 PM 2/271

3 N531K STATUS PORT Learjet 55 N531K,SN Airframe Inspection D1 Q 5 A/F (Tol. Adjustment: -68d) Oct ,4 11-Aug , Years (+14 Days) 2,392.4 (+25) 5 Complete Phase B Inspection 5 A/F (Tol. Adjustment: -43d, -3.4 ) 2-Oct Sep , Year (+14 Days) 589 (+25) Airframe Inspection D2 5 A/F (Tol. Adjustment: -68d) Oct ,4 11-Aug , Years (+14 Days) 2,392.4 (+25) Airframe Inspection D3 5 A/F (Tol. Adjustment: -68d) Oct ,4 11-Aug , Years (+14 Days) 2,392.4 (+25) Airframe Inspection D4 5 A/F (Tol. Adjustment: -68d) Oct ,4 11-Aug , Years (+14 Days) 2,392.4 (+25) Airframe Inspection D5 5 A/F (Tol. Adjustment: -68d) Oct ,4 11-Aug , Years (+14 Days) 2,392.4 (+25) Airframe Inspection D6 5 A/F (Tol. Adjustment: -68d) Oct ,4 11-Aug , Years (+14 Days) 2,392.4 (+25) Landing Inspection 27-Apr A/F (Manual Adjustment: 11 ) 9-Jul-215 1,83 8,987 3, 11,998 2,634 (+25) Major Landing Gear Inspection 27-Apr A/F 29-Jun-22 7,82.8 5,998 6, 11,998 2,634 (+25) Year Airframe Inspection 5 A/F Yrs 14-Dec-26 8, Dec Years (+14 Days) 7,156 6, 13,156 3,792 (+25) Hour Airframe Inspection T 11-Nov A/F,, (+25) Generated: 22-Aug-217 6:44 PM 3/271

4 N531K STATUS PORT Learjet 55 N531K,SN Complete Phase C Inspection Q 5 A/F (Tol. Adjustment: -42d, -3.4 ) 2-Oct ,2 7-Sep-22, Years (+14 Days) 1,189 (+25) 514 Complete Phase D Inspection 5 A/F (Tol. Adjustment: -68d) 2-Oct ,4 11-Aug , Years (+14 Days) 2,392.4 (+25) 5-5- Hard Landing or Departure from Runway (A/R) Unscheduled Maintenance Check 5 A/F Overweight Landing (Weight in Excess of Maximum Landing Weight (A/R) Unscheduled Maintenance Check 5 A/F Severe Turbulence and/or Maneuvers (A/R) Unscheduled Maintenance Check 5 A/F (Left) Engine change/removal (A/R) Unscheduled Maintenance Check 5 A/F (Right) Engine change/removal (A/R) Unscheduled Maintenance Check 5 A/F High Energy Stop (Landing and Rejected Takeoff) (A/R) Unscheduled Maintenance Check 5 A/F Overspeed Recovery Landing Gear Inspection (Landing Gear Extension and Retraction at High Speed) (A/R) Unscheduled Maintenance Check 5 A/F Lightning Strike Inspection (A/R) Unscheduled Maintenance Check 5 A/F (Left) Thrust Reverser-Inspection (A/R) Unscheduled Maintenance Check 5 A/F (NOTE: If thrust reverser receives a slam stow(aborted thrust reverser operation during operation or landing)) Generated: 22-Aug-217 6:44 PM 4/271

5 5-5-7 (Right) Thrust Reverser-Inspection 5 A/F (NOTE: If thrust reverser receives a slam stow(aborted thrust reverser operation during operation or landing)) N531K STATUS PORT Q (A/R) Learjet 55 N531K,SN Unscheduled Maintenance Check Drag Chute(Deployed above 15 Kts) (A/R) Unscheduled Maintenance Check 5 A/F High Ground Wind Gust Inspection (A/R) Unscheduled Maintenance Check 5 A/F Heat Damage Inspection (A/R) Unscheduled Maintenance Check 5 A/F Pressure Cabin Skin Thickness Measurement (A/R) Unscheduled Maintenance Check 5 A/F 5-5- Inspection of Flaps After Contaminated Runway Takeoff or Landing (A/R) Unscheduled Maintenance Check 5 A/F Volcanic Ash Inspection and Maintenance Porcewdures (A/R) Unscheduled Maintenance Check 5 A/F Flap Overspeed Inspection (A/R) Unscheduled Maintenance Check 5 A/F Foreign Object Damage (A/R) Unscheduled Maintenance Check 5 A/F Limits and Maintenance Checks - Fire Extinguisher Containers 5 A/F Eff: 18-Nov-1992 FAA 14 CFR Part 47 5 A/F Expiration Date 31-May-218 FAA - Aircraft Registration 6-Apr , , FAA, FAA 31-May Months (+183 Days) Generated: 22-Aug-217 6:44 PM 5/271

6 N531K STATUS PORT Learjet 55 N531K,SN Q FAA RVSM FAA - RVSM Height Monitoring (A/R) FAR91 5 A/F 8 - LEVELING AND WEIGHING Aircraft Weighing and Balancing AMM 8 A/F Inspected Date -Oct Oct Oct Years (+14 Days) AAK Installation of Ballast Weights in the Tailcone 8 A/F AAK Installation of Ballast Weights in the Tailcone 8 A/F AAK Rev 1 Installation of Ballast Weights in the Tailcone 8 A/F Eff: 4-Nov PLACARDS AND MARKINGS 1 Inspect Placard Custom Task 11 A/F -Jan Jan Months Placards - Installation of Placard Adjacent to Battery Switches 11 A/F Eff: 21-Jul Placards - Removal of Backcourse Mode Limitation and Placards 11 A/F Eff: 2-Oct Placards - Installation of Identification Plate on Ventral Fin 11 A/F Eff: 6-Nov Placards - Installation of Hydraulic and Pneumatic Line Placards 11 A/F Eff: -Aug Placards and Markings - Replacement of Fuel Servicing Placards 11 A/F Eff: 11-Oct-22 Generated: 22-Aug-217 6:44 PM 6/271

7 N531K STATUS PORT Learjet 55 N531K,SN A Placards - Installation of Backcourse Mode Placards on Instrument Panel Q Alert 11 A/F Eff: 22-Jul-1991 AAK Increase Takeoff Gross Weight to 21, Pounds and C.G. Envelope Expansion 11 A/F AAK Increase Aircraft Maximum Landing Gross Weight to 18, Pounds 11 A/F AAK A Increase Aircraft Takeoff Gross Weight to 21,5 Pounds 11 A/F AAK Reduce Take-Off Gross Weight to 21, Pounds 11 A/F FCN 86- Replacement of Engine Nacelle Heat Placard 11 A/F Eff: 14-Nov-1986 T1131 Check brightness level of all self-luminous placards. (Refer to ) 11 A/F (Tol. Adjustment: -68d) (SOURCE: (Refer to )) 2-Oct ,4 (11-Aug-224) (13,638.6) 7 Years (+14 Days) 2,392.4 (+25) - SERVICING - ROUTINE MAINTENANCE D18 Hydraulic Accumulator - Check accumulator precharge (85 psi). (Refer to -1-1.) Servicing A/F (SOURCE: (Refer to -1-1.)) 2-Oct (2-Oct-217) (11,538.6) 59 Days (+14) (+25) D211 Nose Landing Gear Actuator - Lubricate attach fitting. (Refer to ) Servicing A/F (SOURCE: (Refer to )) 2-Oct (2-Oct-217) (11,538.6) 59 Days (+14) (+25) D2 Nose Landing Gear Actuator - Lubricate piston rod felt wiper. (Refer to ) Servicing A/F (Tol. Adjustment: -43d, -3.4 ) (SOURCE: (Refer to )) 2-Oct (6-Sep-218) (11,835.2) 1 Year (+14 Days) 589 (+25) D219 Main Landing Gear Actuator - Lubricate wing attach points. (Refer to ) Servicing A/F (SOURCE: (Refer to )) 2-Oct (2-Oct-217) (11,538.6) 59 Days (+14) (+25) Generated: 22-Aug-217 6:44 PM 7/271

8 N531K STATUS PORT Learjet 55 N531K,SN D211 Main Landing Gear - Lubricate aft trunnion pin. (Refer to ) Q Servicing A/F (SOURCE: (Refer to )) 2-Oct (2-Oct-217) (11,538.6) 59 Days (+14) (+25) D2111 Main Landing Gear - Lubricate forward trunnion pin. (Refer to ) Servicing A/F (SOURCE: (Refer to )) 2-Oct (2-Oct-217) (11,538.6) 59 Days (+14) (+25) D21 Main Landing Gear - Lubricate torque link bushings. (Refer to ) Servicing A/F (SOURCE: (Refer to )) 2-Oct (2-Oct-217) (11,538.6) 59 Days (+14) (+25) D2113 Main Landing Gear Actuator - Lubricate strut attach point. (Re- fer to ) Servicing A/F (SOURCE: (Refer to )) 2-Oct (2-Oct-217) (11,538.6) 59 Days (+14) (+25) D2114 Main Landing Gear Actuator - Lubricate piston rod felt wiper. (Refer to ) Servicing A/F (Tol. Adjustment: -43d, -3.4 ) (SOURCE: (Refer to )) 2-Oct (6-Sep-218) (11,835.2) 1 Year (+14 Days) 589 (+25) D23 Inspect Ni-Cad emergency power supply battery. (N/A) A/F ABS1VB Primary 6-May , ,364 D23 Inspect Ni-Cad emergency power supply battery. (N/A) A/F ABS1VB Secondary 6-May , ,364 D231 Perform Ni-Cad emergency power supply battery discharge/ recharge. (Refer to ) (N/A) A/F ABS1VB (SOURCE: (Refer to )) Primary 6-May , ,364 D231 Perform Ni-Cad emergency power supply battery discharge/ recharge. (Refer to ) (N/A) A/F ABS1VB (SOURCE: (Refer to )) Secondary 6-May , ,364 D2315 Perform discharge check of PS-835 or PS-855 lead-acid emergency power supply battery. (N/A) A/F ABS1VB Primary (NOTE: NOTE: Refer to J.E.T Maintenance Manual, TP-329 [PS-835] or TP-483 [PS-855].) 6-May , ,364 D2315 Perform discharge check of PS-835 or PS-855 lead-acid emergency power supply battery. (N/A) A/F ABS1VB Secondary (NOTE: NOTE: Refer to J.E.T Maintenance Manual, TP-329 [PS-835] or TP-483 [PS-855].) 6-May , ,364 Generated: 22-Aug-217 6:44 PM 8/271

9 N531K STATUS PORT Learjet 55 N531K,SN E11 Check oil level in starters. (Refer to ) Q Servicing A/F (SOURCE: (Refer to )) (NOTE: NOTE: Change starter oil at every engine MPI.) 2-Oct (2-Oct-217) (11,538.6) 59 Days (+14) (+25) F218 Main Landing Gear Door Actuator (48C4868) - Lubricate piston rod felt wiper. (Refer to ) Servicing A/F (Tol. Adjustment: -43d, -3.4 ) (SOURCE: (Refer to )) 2-Oct (6-Sep-218) (11,835.2) 1 Year (+14 Days) 589 (+25) F231 Perform operational check of PS-835 or PS-855 lead-acid emergency power supply battery. (N/A) A/F ABS1VB Primary 6-May , ,364 F231 Perform operational check of PS-835 or PS-855 lead-acid emergency power supply battery. (N/A) A/F ABS1VB Secondary 6-May , ,364 FCN Installation of Hydraulic Accumulator Pressure Indicator Inspection Window A/F Eff: 9-May-1986 G214 Nose Landing Gear Doors - Lubricate hinges. (Refer to ) Servicing A/F (SOURCE: (Refer to )) 2-Oct (2-Oct-217) (11,538.6) 59 Days (+14) (+25) G215 Main Landing Gear Doors - Lubricate hinges.(refer to ) Servicing A/F (SOURCE: (Refer to )) 2-Oct (2-Oct-217) (11,538.6) 59 Days (+14) (+25) G217 Nose Landing Gear Uplatch Actuator - Lubricate piston rod felt wipers. (Refer to ) Servicing A/F (Tol. Adjustment: -43d, -3.4 ) (SOURCE: (Refer to )) 2-Oct (6-Sep-218) (11,835.2) 1 Year (+14 Days) 589 (+25) G2116 Flap and Spoiler Actuators - Lubricate piston rod felt wipers. (Refer to ) Servicing A/F (Tol. Adjustment: -43d, -3.4 ) (SOURCE: (Refer to )) 2-Oct (6-Sep-218) (11,835.2) 1 Year (+14 Days) 589 (+25) G2119 Fuselage Fuel Filler Door - Lubricate hinge. (Refer to ) Servicing A/F (SOURCE: (Refer to )) 2-Oct (2-Oct-217) (11,538.6) 59 Days (+14) (+25) G2 Single Point Refueling Access Door - Lubricate hinges. (Refer to ) Servicing A/F (SOURCE: (Refer to )) 2-Oct (2-Oct-217) (11,538.6) 59 Days (+14) (+25) Generated: 22-Aug-217 6:44 PM 9/271

10 N531K STATUS PORT Learjet 55 N531K,SN G21 Emergency Exit/Baggage Door - Lubricate door hinges and latch pins. (Refer to ) Q Servicing A/F (SOURCE: (Refer to )) 2-Oct (2-Oct-217) (11,538.6) 59 Days (+14) (+25) G24 Tailcone Equipment Door - Lubricate door hinge and latch pins. (Refer to ) Servicing A/F (SOURCE: (Refer to )) 2-Oct (2-Oct-217) (11,538.6) 59 Days (+14) (+25) G25 Tailcone Baggage Door - Lubricate door hinge and latch pins. (Refer to ) Servicing A/F (SOURCE: (Refer to )) 2-Oct (2-Oct-217) (11,538.6) 59 Days (+14) (+25) G213 Oxygen Servicing Access Door - Lubricate hinge. (Refer to ) Servicing A/F (SOURCE: (Refer to )) 2-Oct (2-Oct-217) (11,538.6) 59 Days (+14) (+25) G2131 Oil Filler Door - Lubricate hinges. (Refer to ) Servicing A/F (SOURCE: (Refer to )) 2-Oct (2-Oct-217) (11,538.6) 59 Days (+14) (+25) G2132 Forward Baggage Door - Lubricate hinges.(refer to ) Servicing A/F (SOURCE: (Refer to )) 2-Oct (2-Oct-217) (11,538.6) 59 Days (+14) (+25) G221 Lead Acid Batteries - Check or perform the following in accordance with battery manufacturer's service manual. (Effective on aircraft not equipped with captive electrolyte batteries.)a. Service battery sump jar (if installed).b. Liquid level check.c. Top charge battery.d. Perform battery capacity check or hydrometer test.note: Interval is the normal allowable period between maintenance activities, if no service interval is specifically recommended by the battery manufacturer. Because of varied flight profiles, certain servicing and maintenance activities may require a more frequent interval or may allow an extended interval, depending on environmental and operational requirements, and should be adjusted by individual operators. Operators should refer to their battery manufacturer's service manual for detailed maintenance instructions. (N/A) A/F RG-38E/4L No.1 G221 Lead Acid Batteries - Check or perform the following in accordance with battery manufacturer's service manual. (Effective on aircraft not equipped with captive electrolyte batteries.)a. Service battery sump jar (if installed).b. Liquid level check.c. Top charge battery.d. Perform battery capacity check or hydrometer test.note: Interval is the normal allowable period between maintenance activities, if no service interval is specifically recommended by the battery manufacturer. Because of varied flight profiles, certain servicing and maintenance activities may require a more frequent interval or may allow an extended interval, depending on environmental and operational requirements, and should be adjusted by individual operators. Operators should refer to their battery manufacturer's service manual for detailed maintenance instructions. (N/A) A/F RG-38E/4L No.2 G222 Lead Acid Batteries - (Effective on aircraft equipped with captive electrolyte batteries.) (Refer to -22-.)a. Service battery sump jar (if installed).b. Perform battery capacity check. A/F RG-38E/4L No.1 (Tol. Adjustment: -d) (SOURCE: (Refer to -22-.)) 1-Apr , , Sep Days (+14) Generated: 22-Aug-217 6:44 PM 1/271

11 N531K STATUS PORT Learjet 55 N531K,SN G222 Lead Acid Batteries - (Effective on aircraft equipped with captive electrolyte batteries.) (Refer to -22-.)a. Service battery sump jar (if installed).b. Perform battery capacity check. Q A/F RG-38E/4L No.2 (Tol. Adjustment: -d) (SOURCE: (Refer to -22-.)) 1-Apr , , Sep Days (+14) G3 Alcohol Anti-ice Tank - Check for quantity of fluid. (Refer to ) Servicing A/F (SOURCE: (Refer to )) 2-Oct (2-Oct-217) (11,538.6) 59 Days (+14) (+25) H213 Nose Landing Gear Actuator - Lubricate down-lock switch ball. (Refer to ) Servicing A/F (Tol. Adjustment: -42d, -3.4 ) (SOURCE: (Refer to )) 2-Oct ,2 (7-Sep-22) (,435.2) 3 Years (+14 Days) 1,189 (+25) H2115 Main Landing Gear Actuator - Lubricate actuator down-lock switch ball. (Refer to ) Servicing A/F (Tol. Adjustment: -42d, -3.4 ) (SOURCE: (Refer to )) 2-Oct ,2 (7-Sep-22) (,435.2) 3 Years (+14 Days) 1,189 (+25) H28 Upper and Lower Entry Doors - Lubricate hinges and latch pins. (Refer to ) Servicing A/F 5-1- (Tol. Adjustment: -43d, -3.4 ) (SOURCE: (Refer to )) 2-Oct (6-Sep-218) (11,835.2) 1 Year (+14 Days) 589 (+25) L2117 Flaps - Lubricate flap cam followers. (Refer to ) Servicing A/F (SOURCE: (Refer to )) 2-Oct (2-Oct-217) (11,538.6) 59 Days (+14) (+25) O234 Perform discharge-recharge reconditioning cycle of GNS-5A standby battery (if installed). (N/A) A/F P151 Nose Gear Shock Strut - Check for proper fluid level and inflation pressure. (Refer to -1-3.) Servicing A/F (SOURCE: (Refer to -1-3.)) 2-Oct (2-Oct-217) (11,538.6) 59 Days (+14) (+25) P152 Main Gear Shock Struts - Check for proper fluid level and inflation pressure. (Refer to -1-4.) Servicing A/F (SOURCE: (Refer to -1-4.)) 2-Oct (2-Oct-217) (11,538.6) 59 Days (+14) (+25) P153 Emergency Air Pressure Gage - Check for proper air pressure (18 to 3 psi). (Refer to -1-7.) Servicing A/F (SOURCE: (Refer to -1-7.)) 2-Oct (2-Oct-217) (11,538.6) 59 Days (+14) (+25) P154 Oxygen Pressure Gage - Check for proper inflation (15 to 185 psi). (Refer to -1-9.) Servicing A/F (SOURCE: (Refer to -1-9.)) 2-Oct (2-Oct-217) (11,538.6) 59 Days (+14) (+25) Generated: 22-Aug-217 6:44 PM 11/271

12 N531K STATUS PORT Learjet 55 N531K,SN P155 Nose and Main Tires - Check for proper inflation. (Refer to ) Q Servicing A/F (SOURCE: (Refer to )) 2-Oct (2-Oct-217) (11,538.6) 59 Days (+14) (+25) P2143 Nose Landing Gear - Lubricate trunnion pins.(refer to ) Servicing A/F (SOURCE: (Refer to )) 2-Oct (2-Oct-217) (11,538.6) 59 Days (+14) (+25) P225 A/F RG-38E/4L Ni-Cad Batteries - Check or perform the following in accordance with battery manufacturer's service manual (Refer to -22- and ):a. Liquid level check.b. Perform complete discharge-recharge procedure.c. Functional check of battery temperature system thermistors.d. Functional check battery 14 F and 16 F warning light temperature switches. No.1 (SOURCE: (Refer to -22- and )) P225 A/F RG-38E/4L Ni-Cad Batteries - Check or perform the following in accordance with battery manufacturer's service manual (Refer to -22- and ):a. Liquid level check.b. Perform complete discharge-recharge procedure.c. Functional check of battery temperature system thermistors.d. Functional check battery 14 F and 16 F warning light temperature switches. No.2 (SOURCE: (Refer to -22- and )) (N/A) (N/A) W2321 Perform emergency exit and wing inspection light power supply battery discharge-recharge cycle. (Refer to ) A/F ABS1VB Aft - Left (Tol. Adjustment: -16d) (UPDATE NOTE: Removed 6 Batteries for emergency power supply and installed 6 Batteries after charging and CAP checking IAW AAM forward and aft. Task # W2321 Battery P/N ABS 1VB6-1 S/N's 3284) (SOURCE: (Refer to )) 6-May , , Oct Days (+14) W2321 Perform emergency exit and wing inspection light power supply battery discharge-recharge cycle. (Refer to ) A/F ABS1VB Aft - Right (Tol. Adjustment: -16d) (UPDATE NOTE: Removed 6 Batteries for emergency power supply and installed 6 Batteries after charging and CAP checking IAW AAM forward and aft. Task # W2321 Battery P/N ABS 1VB6-1 S/N's 32841) (SOURCE: (Refer to )) 6-May , , Oct Days (+14) W2321 Perform emergency exit and wing inspection light power supply battery discharge-recharge cycle. (Refer to ) A/F ABS1VB Fwd - Left (Tol. Adjustment: -16d) (UPDATE NOTE: Removed 6 Batteries for emergency power supply and installed 6 Batteries after charging and CAP checking IAW AAM forward and aft. Task # W2321 Battery P/N ABS 1VB6-1 S/N's 28384) (SOURCE: (Refer to )) 6-May , , Oct Days (+14) W2321 Perform emergency exit and wing inspection light power supply battery discharge-recharge cycle. (Refer to ) A/F ABS1VB Fwd - Right (Tol. Adjustment: -16d) (UPDATE NOTE: Removed 6 Batteries for emergency power supply and installed 6 Batteries after charging and CAP checking IAW AAM forward and aft. Task # W2321 Battery P/N ABS 1VB6-1 S/N's 21725) (SOURCE: (Refer to )) 6-May , , Oct Days (+14) X26 R/H Avionics Door(s) - Lubricate hinge(s). (Refer to ) Servicing A/F (SOURCE: (Refer to )) 2-Oct (2-Oct-217) (11,538.6) 59 Days (+14) (+25) Generated: 22-Aug-217 6:44 PM /271

13 N531K STATUS PORT Learjet 55 N531K,SN X27 L/H Avionics Door(s) - Lubricate hinge(s). (Refer to -21-4) Q Servicing A/F (SOURCE: (Refer to )) 2-Oct (2-Oct-217) (11,538.6) 59 Days (+14) (+25) 2 - STANDARD PRACTICES AIRFRAME 261 Perform Precipitation Static (P-Static) Test (A/R) Custom Task 2 A/F Standard Practices - Removal of Spiral Wrap from Aluminum and Stainless Steel Tubing 2 A/F Eff: 6-Jan AIR CONDITIONING AND PSSURIZATION Air Condition Compressor (O/C) 21 A/F Ref:AMM Overhauled 31-Mar-215 1, ,92 Air Condition Compressor Motor (O/C) 21 A/F S Ref:AMM Overhauled 19-Jun-29 9, ,618 Air Condition Condenser (O/C) 21 A/F G-193 Ref:AMM Aug-1982 Air Condition Receiver Dehydrator (O/C) 21 A/F PN-UNKNOWN Ref:AMM Mar-215 1, ,92 Air Distribution Check Valve (O/C) 21 A/F Ref:AMM Cabin 1-Aug-1982 Air Distribution Check Valve (O/C) 21 A/F Ref:AMM Cockpit 1-Aug-1982 Auxiliary Cabin Heater (O/C) 21 A/F Ref:AMM Left 1-Aug-1982 Generated: 22-Aug-217 6:44 PM 13/271

14 N531K STATUS PORT Learjet 55 N531K,SN Auxiliary Cabin Heater Q (O/C) 21 A/F Ref:AMM Right 1-Aug-1982 Auxiliary Defog Blower (O/C) 21 A/F EM67-1 Ref:AMM Aug-1982 Auxiliary Defog Heater (O/C) 21 A/F Ref:AMM Aug-1982 Cabin Air Check Valve (O/C) 21 A/F A Fwd - Left 1-Aug-1982 Cabin Air Check Valve (O/C) 21 A/F A Fwd - Right 1-Aug-1982 Cabin Blower (O/C) 21 A/F A Ref:AMM Left Overhauled 1-Feb-2 9, ,251 Cabin Blower (O/C) 21 A/F A Ref:AMM Right Overhauled 1-Feb-2 9, ,251 Cabin Climate Control Box (O/C) 21 A/F V Ref:AMM Feb-1991 Cabin Outflow Safety Valve (O/C) 21 A/F Overhauled 4-May-199 2,23 2,51 Cabin Over Pressure Safety Valve (O/C) 21 A/F Dec ,876 3,492 Generated: 22-Aug-217 6:44 PM 14/271

15 N531K STATUS PORT Learjet 55 N531K,SN Cabin Pressure Regulator Q (O/C) 21 A/F Ref:AMM Overhauled 3-Apr-25 8,163.3 Cabin Temp Blower (O/C) 21 A/F Jan ,134 4,324 Cabin Temp Indicator (O/C) 21 A/F FG16P Jan ,134 4,324 Cabin Temperature Indicator (O/C) 21 A/F Ref:AMM Mar ,195 4,364 Cockpit Blower (O/C) 21 A/F EM A Ref:AMM Overhauled 22-Jun-215 1, ,979 Conditioned Air Check Valve (O/C) 21 A/F M934 Cockpit 1-Aug-1982 Conditioned Air Check Valve (O/C) 21 A/F A Left 1-Aug-1982 Conditioned Air Check Valve (O/C) 21 A/F A Right 1-Aug-1982 Crew/Passenger Temperature Control Indicator (O/C) 21 A/F Ref:AMM Feb-1991 Differential Controller (O/C) 21 A/F Ref:AMM Aug-1982 Generated: 22-Aug-217 6:44 PM 15/271

16 N531K STATUS PORT Learjet 55 N531K,SN Duct Temperature Limiter Q (O/C) 21 A/F Ref:AMM Cabin 1-Aug-1982 Duct Temperature Limiter (O/C) 21 A/F Ref:AMM Cockpit 1-Aug-1982 Duct Temperature Sensor (O/C) 21 A/F Ref:AMM Cabin 18-Jun ,822 2,556 Duct Temperature Sensor (O/C) 21 A/F C-91B Ref:AMM Cockpit 1-Aug-1982 Emergency Pressure Aneroid Switch (O/C) 21 A/F E45L Ref:AMM Left -Aug-28 8, ,436 Emergency Pressure Aneroid Switch (O/C) 21 A/F E45L Ref:AMM Right -Aug-28 8, ,436 Emergency Pressure Valve (O/C) 21 A/F Ref:AMM Left 1-Aug-1982 Emergency Pressure Valve (O/C) 21 A/F Ref:AMM Right 1-Aug-1982 Evaporator (O/C) 21 A/F Ref:AMM Cabin 1-Aug-1982 Evaporator (O/C) 21 A/F Ref:AMM Cockpit 1-Aug-1982 Generated: 22-Aug-217 6:44 PM 16/271

17 N531K STATUS PORT Learjet 55 N531K,SN Flow Control Valve Q (O/C) 21 A/F Ref:AMM Repaired 19-Dec-27 8,77.6 7,32 Freon Control Box (O/C) 21 A/F Repaired 4-Jul-25 8, ,916 Freon System Pressure Switch (O/C) 21 A/F 2PS1-5 NSN Ref:AMM ACH 6-Jun-22 7,73.8 5,984 3 Heat Exchanger (O/C) 21 A/F M-345 Ref:AMM Aug-1982 Positive Vent Check Valve (O/C) 21 A/F Aug-1982 Pressurization Module (O/C) 21 A/F Ref:AMM Repaired -Aug-28 8, ,436 Skin Temperature Sensor (O/C) 21 A/F C-413 Cabin 1-Aug-1982 Skin Temperature Sensor (O/C) 21 A/F C-626 Cockpit 1-Aug-1982 Temperature Control Torque Motor (O/C) 21 A/F Ref:AMM Cabin 1-Aug-1982 Temperature Control Torque Motor (O/C) 21 A/F P-364 Ref:AMM Cockpit 1-Aug-1982 Generated: 22-Aug-217 6:44 PM 17/271

18 N531K STATUS PORT Learjet 55 N531K,SN Temperature Control Valve Q (O/C) 21 A/F Ref:AMM Cabin 18-Feb ,445 4,551 Temperature Control Valve (O/C) 21 A/F P17 Ref:AMM Cockpit Overhauled 17-Feb-25 8,81.3 6,792 Temperature Controller (O/C) 21 A/F C-385 Ref:AMM Cabin 17-Apr ,22 4,37 Temperature Controller (O/C) 21 A/F C-2 Ref:AMM Cockpit 3-Jan ,145 4,332 Temperature Sensor Blower (O/C) 21 A/F Ref:AMM Cabin 1-Feb ,655 Temperature Sensor Blower (O/C) 21 A/F C-311 Ref:AMM Cockpit 1-Aug-1982 Vacuum Shut-Off Solenoid Valve (O/C) 21 A/F Ref:AMM Aug Air Conditioning - Rework of Cabin Differential Pressure Controller and Replacement of Manual Control Valve 21 A/F Eff: 3-Mar Air Conditioning - Inspection of Cabin Pressurization Outflow Valve and Safety Valve 21 A/F Eff: 3-Jan Air Conditioning - Replacement of Refrigerant Tube Assemblies 21 A/F Generated: 22-Aug-217 6:44 PM 18/271

19 N531K STATUS PORT Learjet 55 N531K,SN Rev 1 Air Conditioning - Replacement of Refrigerant Tube Assemblies Q 21 A/F Rev 2 Air Conditioning - Replacement of Refrigerant Tube Assemblies 21 A/F Eff: 1-Jul Air Conditioning - Installation of Cooling System Compressor Motor Hour Meter 21 A/F Rev 1 Air Conditioning - Installation of Cooling System Compressor Motor Hour Meter 21 A/F Eff: 7-Jan Air Conditioning - Modification of Auxiliary Cabin Heater 21 A/F Rev 1 Air Conditioning - Modification of Auxiliary Cabin Heater 21 A/F Rev 2 Air Conditioning - Modification of Auxiliary Cabin Heater 21 A/F Rev 3 Air Conditioning - Modification of Auxiliary Cabin Heater 21 A/F Rev 4 Air Conditioning - Modification of Auxiliary Cabin Heater 21 A/F Eff: 11-Nov-23 Declined 7-Dec-215 1, , Air Conditioning - Differential Current Sensor Replacement 21 A/F Eff: 8-Sep Air Conditioning - Cabin Pressurization Manual Control Valve Operational Check 21 A/F Eff: 23-Apr-1982 Generated: 22-Aug-217 6:44 PM 19/271

20 N531K STATUS PORT Learjet 55 N531K,SN Air Conditioning - Inspection of Cockpit Air Distribution Check Valve Q 21 A/F Eff: 11-Mar Air Conditioning - Inspect Cabin Pressurization Control Module for Part Number 21 A/F Eff: -Sep Air Conditioning - Replacement of Freon Motor Contactor and Limiter Assembly Relays 21 A/F Eff: 29-Jan Air Conditioning - Installation of Relay in Cabin Blower Motor Circuit 21 A/F Rev 1 Air Conditioning - Installation of Relay in Cabin Blower Motor Circuit 21 A/F Rev 2 Air Conditioning - Installation of Relay in Cabin Blower Motor Circuit 21 A/F Eff: 9-Mar SUPERSEDED BY SB A/F Rev 1 SUPERSEDED BY SB A/F Air Conditioning - Replacement of Refrigeration System Condenser and Installation of Placard 21 A/F Eff: 1-Sep Air Conditioning - Replacement of Refrigeration System Cabin Evaporator 21 A/F Eff: 2-Nov Cabin Pressurization Outflow Valve and Safety Valve Replacement Mandatory 21 A/F Eff: 2-Nov-1995 Generated: 22-Aug-217 6:44 PM 2/271

21 N531K STATUS PORT Learjet 55 N531K,SN AAK Replacement of Air Conditioner Compressor Motor Brush Cover Q 21 A/F AAK Improved Cabin Heat Distribution and Insulation 21 A/F AAK Replacement of Cockpit Blower Control Box 21 A/F AAK Air Conditioning - Replacement of Air Conditioner Compressor Motor and Installation of Improved Electrical Control 21 A/F AAK Rev 1 Air Conditioning - Replacement of Air Conditioner Compressor Motor and Installation of Improved Electrical Control 21 A/F AAK Rev 2 Air Conditioning - Replacement of Air Conditioner Compressor Motor and Installation of Improved Electrical Control 21 A/F AAK Rev 3 Air Conditioning - Replacement of Air Conditioner Compressor Motor and Installation of Improved Electrical Control 21 A/F AAK Rev 4 Air Conditioning - Replacement of Air Conditioner Compressor Motor and Installation of Improved Electrical Control 21 A/F AAK Rev 5 Air Conditioning - Replacement of Air Conditioner Compressor Motor and Installation of Improved Electrical Control 21 A/F Eff: 8-Sep-215 AAK Replacement of Ram Air Temperature Indicator 21 A/F AMK Replacement of Air Conditioner Compressor And Compressor Motor Pulleys 21 A/F Generated: 22-Aug-217 6:44 PM 21/271

22 N531K STATUS PORT Learjet 55 N531K,SN AMK Rev 1 Replacement of Air Conditioner Compressor And Compressor Motor Pulleys Q 21 A/F AMK Rev 2 Replacement of Air Conditioner Compressor And Compressor Motor Pulleys 21 A/F Eff: 16-Mar-21 AMK Air Conditioner Compressor Motor Terminal Block Replacement and Ground Relocation 21 A/F Eff: 17-Aug-1987 B214 Inspect positive ventilation check valve. (Refer to ) 27-Apr A/F (Manual Adjustment: 11 ) (SOURCE: (Refer to )) 9-Jul-215 1,83 8,987 3, (11,998) 2,634 (+25) C21323 Inspect cabin (passenger) conditioned air check valves. (Refer to ) 27-Apr A/F (Manual Adjustment: 11 ) (SOURCE: (Refer to )) 9-Jul-215 1,83 8,987 3, (11,998) 2,634 (+25) C Inspect cabin air and cockpit air check valves. (Refer to and ) 27-Apr A/F (Manual Adjustment: 11 ) (SOURCE: (Refer to and )) 9-Jul-215 1,83 8,987 3, (11,998) 2,634 (+25) E21355 Remove and replace pressurization module filter. (Refer to ) 21 A/F (Tol. Adjustment: -42d, -3.4 ) (SOURCE: (Refer to )) 2-Oct ,2 (7-Sep-22) (,435.2) 3 Years (+14 Days) 1,189 (+25) E21359 Remove and replace cabin safety valve filter. (Refer to ) 21 A/F (Tol. Adjustment: -42d, -3.4 ) (SOURCE: (Refer to )) 2-Oct ,2 (7-Sep-22) (,435.2) 3 Years (+14 Days) 1,189 (+25) E21362 Remove and inspect vacuum regulator assembly filter. Install new filter if necessary. (Refer to ) (Effective on Aircraft equipped with Airborne vacuum regulator only.) 21 A/F (Tol. Adjustment: -42d, -3.4 ) (SOURCE: (Refer to )) 2-Oct ,2 (7-Sep-22) (,435.2) 3 Years (+14 Days) 1,189 (+25) E21363 Remove, inspect, and clean filter (vacuum regulator cabin reference pressure), located on LH side of frame 28 adjacent to the cabin safety valve. (Refer to ) 21 A/F (Tol. Adjustment: -42d, -3.4 ) (SOURCE: (Refer to )) 2-Oct ,2 (7-Sep-22) (,435.2) 3 Years (+14 Days) 1,189 (+25) FCN Improved Moisture Drainage at the Cockpit Evaporator 21 A/F Eff: -Mar-1987 Generated: 22-Aug-217 6:44 PM 22/271

23 N531K STATUS PORT Learjet 55 N531K,SN FCN 87-2 Addition of Suppression. Diodes in the Cabin Pressurization Circuit Q 21 A/F Eff: 3-Apr-1987 FCN 87-3 Removal of Diode From Freon Motor Control Box 21 A/F Eff: 4-Aug-1987 FCN 89-2A Replacement of Freon Air Conditioner Motor Relay 21 A/F Eff: 31-Jan-1992 FCN 89-4 Improved Moisture Drainage at the Cockpit Evaporator 21 A/F H2136 Boroscope inspect cabin air exhaust control valve poppet and seat for contamination. 21 A/F (Tol. Adjustment: -68d) (SOURCE: (Refer to )) (NOTE: Note: If contaminated, remove cabin air exhaust control valve and clean poppet and seat with mild detergent.) 2-Oct ,4 (11-Aug-224) (13,638.6) 7 Years (+14 Days) 2,392.4 (+25) H21322 Perform functional test of the cabin safety valve and vacuum shutoff solenoid valve circuit. 21 A/F (Tol. Adjustment: -43d, -3.4 ) (SOURCE: (Refer to )) (NOTE: Note: Functional test of the vacuum shutoff solenoid valve is included in the functional test of the cabin safety valve.) 2-Oct (6-Sep-218) (11,835.2) 1 Year (+14 Days) 589 (+25) H21346 Cabin safety valve altitude limiter for security, inlet screen for cleanliness and damage. Clean or replace screen if required. 21 A/F (Tol. Adjustment: -42d, -3.4 ) 2-Oct ,2 (7-Sep-22) (,435.2) 3 Years (+14 Days) 1,189 (+25) H21322 Perform operational check of emergency pressurization system. (Refer to ) 21 A/F (Tol. Adjustment: -43d, -3.4 ) (SOURCE: (Refer to )) 2-Oct (6-Sep-218) (11,835.2) 1 Year (+14 Days) 589 (+25) H21322 Perform functional test of the emergency pressurization aneroid switches (S89 and S9). (Refer to ) 21 A/F (Tol. Adjustment: -43d, -3.4 ) (SOURCE: (Refer to )) 2-Oct (6-Sep-218) (11,835.2) 1 Year (+14 Days) 589 (+25) H215 Refrigeration (Air Conditioning) system components installation for proper V-belt tension, security of mounting, and general condition. If oil leaks are visible and/or refrigerant dumped, check compressor oil level (some leakage is allowable around shaft). 21 A/F (Tol. Adjustment: -43d, -3.4 ) 2-Oct (6-Sep-218) (11,835.2) 1 Year (+14 Days) 589 (+25) Generated: 22-Aug-217 6:44 PM 23/271

24 N531K STATUS PORT Learjet 55 N531K,SN K2155 Perform refrigeration compressor motor brush wear inspection. (Refer to ) Q 21 A/F (Tol. Adjustment: -43d, -3.4 ) (SOURCE: (Refer to )) (NOTE: Note: Effective on aircraft with R- refrigeration systems installed and not modified per SB , Installation of Cooling System Compressor Motor Hour Meter.") 2-Oct (6-Sep-218) (11,835.2) 1 Year (+14 Days) 589 (+25) K21511 Perform refrigeration compressor motor brush wear inspection. (Refer to ) 19-Jun A/F (SOURCE: (Refer to )) (NOTE: NOTE: Effective on aircraft equipped with R refrigeration systems and modified per SB , Installation of Cooling System Compressor Motor Hour Meter. ) 16-Oct-214 1,62.8 8,842 ACH 1, , ACH L21547 Perform functional test of refrigeration system pressure switch. (Refer to ) 21 A/F (Tol. Adjustment: -68d) (SOURCE: (Refer to )) (NOTE: Note: Effective on aircraft equipped with R refrigeration systems installed and not modified per SB , Installation of Cooling System Compressor Motor Hour Meter. ) 2-Oct ,4 (11-Aug-224) (13,638.6) 7 Years (+14 Days) 2,392.4 (+25) L21552 Perform functional test of refrigeration system pressure switch. 23-Jul A/F (SOURCE: (Refer to )) 6-Jun-214 1, ,72 ACH 1, , ACH M21516 Perform a fluorescent penetrant inspection of the air conditioner compressor motor fan blades. Particular attention should be given to the fan blades in the area of the hub. 21 A/F (NOTE: Note: Effective on aircraft with R- refrigeration systems installed and not modified per SB , Installation of Cooling System Compressor Motor Hour Meter. ) 2-Oct ,2 (7-Sep-22) (,435.2) 3 Years (+14 Days) 1,189 (+25) M21518 Perform a fluorescent penetrant inspection of the air conditioner compressor motor fan blades. Particular attention should be given to the fan blades in the area of the hub. (Refer to NDI Manual, Part 5, ) (N/A) 21 A/F (SOURCE: (Refer to NDI Manual, Part 5, )) (NOTE: Note: Effective on aircraft with R- refrigeration systems installed and not modified per SB , Installation of Cooling System Compressor Motor Hour Meter. ) P2137 Perform functional test of cabin pressurization system. (Refer to ) 21 A/F (Tol. Adjustment: -42d, -3.4 ) (SOURCE: (Refer to )) 2-Oct ,2 (7-Sep-22) (,435.2) 3 Years (+14 Days) 1,189 (+25) S21388 Cabin Pressurization Annunciator Lights - Perform Operational Check.(Refer to ) Effective on Aircraft 55-2 and Subsequent modified by SB , Indicating/Recording System - Installation of Cabin Altitude Warning System (Aircraft With Auto Emergency Air). 21 A/F (SOURCE: (Refer to )) (N/A) T21 Ram air ducting and heat exchanger for security and general condition. (Refer to 5-1-.) 21 A/F (Tol. Adjustment: -68d) (SOURCE: (Refer to 5-1-.)) 2-Oct ,4 (11-Aug-224) (13,638.6) 7 Years (+14 Days) 2,392.4 (+25) Generated: 22-Aug-217 6:44 PM 24/271

25 N531K STATUS PORT Learjet 55 N531K,SN T21369 Perform operational check of cabin pressurization system. (Refer to ) Q 21 A/F (Tol. Adjustment: -43d, -3.4 ) (SOURCE: (Refer to )) 2-Oct (6-Sep-218) (11,835.2) 1 Year (+14 Days) 589 (+25) U2137 Cabin Pressurization System - Perform Cabin Leak Rate Check. (Refer to ) 24-Apr A/F (Tol. Adjustment: -2.4 ) (SOURCE: (Refer to )) 2-Oct-216 1,2, ,19 (+25) W21389 Cabin Altitude Warning System - Perform Operational Check. (Refer to ) Effective on Aircraft 55-2 and Subsequent modified by SB , Indicating/Recording System - Installation of Cabin Altitude Warning System (Aircraft With Auto Emergency Air). 21 A/F (SOURCE: (Refer to )) (N/A) W Aneroid Switches - Perform Functional Test. (Refer to 21-3-) 21 A/F (Tol. Adjustment: -43d, -3.4 ) 2-Oct (6-Sep-218) (11,835.2) 1 Year (+14 Days) 589 (+25) 22 - AUTOFLIGHT Altitude Preselect Computer (O/C) 22 A/F Ref:AMM Repaired 8-Aug-29 9, ,66 Autopilot Aileron Augment Followup (O/C) 22 A/F Jun ,822 2,556 Autopilot Computer/ Amplifier (O/C) 22 A/F M Ref:AMM Repaired 29-Sep-28 8, ,466 Autopilot Controller (O/C) 22 A/F Repaired Ref:AMM (UPDATE NOTE: Removed AFCS Control Pnl and sent to Butler Avionics for repair. Re-installed IAW AAM and operation checked IAW Unit P/N S/N Butler Avionics repair order MR2239.) 6-May , ,364 Autopilot Electric Box (O/C) 22 A/F V Y Ref:AMM Jan ,975 2,78 Autopilot Interface Box (O/C) 22 A/F Ref:AMM Aug-199 2,476 Generated: 22-Aug-217 6:44 PM 25/271

26 N531K STATUS PORT Learjet 55 N531K,SN Autopilot Pitch Followup Q (O/C) 22 A/F Ref:AMM Aug-1982 Autopilot Roll Axis Rate Gyro (O/C) 22 A/F Ref:AMM Overhauled 23-Sep ,733 3,382 Autopilot Roll Followup (O/C) 22 A/F Ref:AMM Aug-1982 Faceplate,Yaw Damp Keyboard (O/C) 22 A/F Jul ,119 3,647 Mach Overspeed Puller Box (O/C) 22 A/F A 17-Sep ,196 Mach Trim Computer (O/C) 22 A/F Ref:AMM May ,225 4,391 Mach Trim Followup (O/C) 22 A/F Ref:AMM Jun ,265 4,422 Pitch Servo Actuator (O/C) 22 A/F Sep ,74 1,636 Pitch Servo Capstan (O/C) 22 A/F AA 4,846 8-Dec ,846 4,99 Roll Servo Actuator (O/C) 22 A/F (Manual Adjustment: ) Overhauled -Feb-21 9, ,798 Generated: 22-Aug-217 6:44 PM 26/271

27 N531K STATUS PORT Learjet 55 N531K,SN Vertical Accelerometer Q (O/C) 22 A/F Ref:AMM Primary Repaired 19-Nov-2 1,4 8,348 Vertical Accelerometer (O/C) 22 A/F Secondary 3-Apr ,22 4,386 Yaw Damper Computer/ Controller (O/C) 22 A/F Ref:AMM Jul ,31 4,455 Yaw Damper Followup (O/C) 22 A/F Ref:AMM Primary 18-Jun ,822 2,556 Yaw Damper Followup (O/C) 22 A/F Ref:AMM Secondary 1-Aug-1982 Yaw Damper Lateral Accelerometer (O/C) 22 A/F Primary 16-Aug ,685 3,994 Yaw Damper Lateral Accelerometer (O/C) 22 A/F Secondary 16-Aug ,685 3,994 Yaw Rate Gyro (O/C) 22 A/F Ref:AMM Primary Repaired 24-Oct-28 8, ,484 Yaw Rate Gyro (O/C) 22 A/F Ref:AMM Secondary Overhauled 23-Sep ,754 4,28 Yaw Servo Actuator (O/C) 22 A/F Primary Overhauled 19-Apr-213 1,4.3 8,423 Generated: 22-Aug-217 6:44 PM 27/271

28 N531K STATUS PORT Learjet 55 N531K,SN Yaw Servo Actuator Q (O/C) 22 A/F Secondary Overhauled -Aug-28 8, , Auto Flight - Modification of Roll and Yaw Servo Actuators 22 A/F Eff: 2-Dec Auto Flight - Modification of FC-55 Autopilot Computer 22 A/F Eff: 5-Jan Auto Flight - Sperry 6 Electronic Flight Instrument System/Autopilot Wiring Modification 22 A/F Eff: 8-Nov Auto Flight - Replacement of Primary or Secondary Lateral Accelerometer 22 A/F Eff: 11-Aug-1995 AAK Replacement of Autopilot Computer and Roll Rate Gyro 22 A/F AAK Autospoiler Improvement 22 A/F Eff: 25-Feb-1985 B Check yaw damper servo mount clutch torque. (Refer to ) (Effective on Aircraft and subsequent.) (N/A) 22 A/F (SOURCE: (Refer to )) B Check primary yaw damper servo actuator and servo mount clutch torque. (Refer to ) (Effective on Aircraft 55-7 thru ) (N/A) 22 A/F (SOURCE: (Refer to )) B22 Check pitch servo mount clutch torque. (Refer to ) (Effective on Aircraft 55-7 and subsequent.) (N/A) 22 A/F (SOURCE: (Refer to )) C2214 Perform overhaul of secondary yaw servo actuator. (Effective on aircraft 55-7 thru ) (N/A) 22 A/F Secondary Generated: 22-Aug-217 6:44 PM 28/271

29 N531K STATUS PORT Learjet 55 N531K,SN C22141 Perform overhaul of primary yaw servos. (Refer to J.E.T. Maintenance Manual, TP-327.) (Effective on aircraft 55-3 thru 55-6.) Q 1-Aug A/F Primary (SOURCE: (Refer to J.E.T. Maintenance Manual, TP-327.) Effective on aircraft 55-3 thru 55-6.) 19-Apr-213 1,4.3 8,423 3, 13,4.3 1,878.1 (+25) C22141 Perform overhaul of roll servos. (Refer to J.E.T. Maintenance Manual, TP-327.) (Effective on aircraft 55-3 thru 55-6.) 6-Jan A/F (Manual Adjustment: ) (SOURCE: (Refer to J.E.T. Maintenance Manual, TP-327.) Effective on aircraft 55-3 thru 55-6.) -Feb-21 9, ,798 3,,346 1,99.8 (+25) C22141 Perform overhaul of secondary yaw servos. (Refer to J.E.T. Maintenance Manual, TP-327.) (Effective on aircraft 55-3 thru 55-6.) 23-Jun A/F Secondary (SOURCE: (Refer to J.E.T. Maintenance Manual, TP-327.) Effective on aircraft 55-3 thru 55-6.) -Aug-28 8, ,436 3, 11, (+25) FCN 86-1 Modification of Autopilot Roll Latch Interconnect Wiring 22 A/F Eff: 14-Apr-1987 H Check primary and secondary yaw damper servo capstan slip clutch torque. (Refer to ) (Effective on Aircraft 55-3 thru 55-6.) 22 A/F (Tol. Adjustment: -42d, -3.4 ) (SOURCE: (Refer to )) 2-Oct ,2 (7-Sep-22) (,435.2) 3 Years (+14 Days) 1,189 (+25) H Check secondary yaw damper servo actuator capstan slip clutch torque. (Refer to ) (Effective on Aircraft 55-7 thru ) (N/A) 22 A/F (SOURCE: (Refer to )) H221 Check primary and secondary yaw servo cables for evidence of cable fraying, strand breakage, and security; servos for condition and security. (Effective on Aircraft 55-3 thru ) 22 A/F (Tol. Adjustment: -42d, -3.4 ) 2-Oct ,2 (7-Sep-22) (,435.2) 3 Years (+14 Days) 1,189 (+25) H2211 Check yaw servo cable for evidence of cable fraying, strand breakage, and security; servo for condition and security. (Effective on Aircraft and subsequent.) (N/A) 22 A/F H Check roll servo cable tension. (Refer to ) 22 A/F (Tol. Adjustment: -42d, -3.4 ) (SOURCE: (Refer to )) 2-Oct ,2 (7-Sep-22) (,435.2) 3 Years (+14 Days) 1,189 (+25) H Check pitch servo, primary yaw servo, and secondary yaw servo cable tension. 22 A/F (Tol. Adjustment: -42d, -3.4 ) 2-Oct ,2 (7-Sep-22) (,435.2) 3 Years (+14 Days) 1,189 (+25) H221 Check autopilot pitch servo actuator capstan slip clutch torque.(refer to ) (Effective on Aircraft 55-3 thru 55-6.) 22 A/F (Tol. Adjustment: -42d, -3.4 ) (SOURCE: (Refer to )) 2-Oct ,2 (7-Sep-22) (,435.2) 3 Years (+14 Days) 1,189 (+25) Generated: 22-Aug-217 6:44 PM 29/271

30 N531K STATUS PORT Learjet 55 N531K,SN H2211 Check pusher/puller servo actuator capstan slip clutch torque.(refer to ) (Effective on Aircraft 55-7 thru ) Q (N/A) 22 A/F (SOURCE: (Refer to )) H222 Pusher/puller servo cables for evidence of cable fraying, strand breakage, and security; servo for general condition and security. (Effective on Aircraft 55-7 and subsequent.) (N/A) 22 A/F H2221 Elevator servo cables for evidence of cable fraying, strand breakage, and security; servo for general condition and security. (Effective on Aircraft 55-3 thru 55-6.) 22 A/F (Tol. Adjustment: -42d, -3.4 ) 2-Oct ,2 (7-Sep-22) (,435.2) 3 Years (+14 Days) 1,189 (+25) H223 Check pusher/puller servo actuator cable tension. (Effective on Aircraft 55-7 thru ) (N/A) 22 A/F H22132 Check autopilot roll servo capstan slip clutch torque. (Refer to ) (Effective on Aircraft 55-3 thru 55-6.) 22 A/F (Tol. Adjustment: -42d, -3.4 ) (SOURCE: (Refer to )) 2-Oct ,2 (7-Sep-22) (,435.2) 3 Years (+14 Days) 1,189 (+25) H22135 Check autopilot roll servo mount clutch torque. T 11-Nov A/F (SOURCE: (Refer to )), (,) (+25) 23 - COMMUNICATIONS Antenna Flightphone (O/C) 23 A/F Aug-1982 Audio Amp Speaker (O/C) 23 A/F Left 3-Sep ,343 4,492 Audio Amp Speaker (O/C) 23 A/F Right 3-Sep ,343 4,492 Audio Control Panel (O/C) 23 A/F No.1 Audio Control Panel (O/C) 23 A/F No.2 27-Jul-27 8,53 7,169 Generated: 22-Aug-217 6:44 PM 3/271

31 N531K STATUS PORT Learjet 55 N531K,SN Control Flightphone Q (O/C) 23 A/F PN Ref:AMM Cabin 1-Aug-1982 Control Flightphone (O/C) 23 A/F Ref:AMM Cockpit 22-Jan ,35 3,76 Flightphone Transceiver (O/C) 23 A/F Ref:AMM Aug-1982 HF Antenna (O/C) 23 A/F Aug-1982 HF Control (O/C) 23 A/F Ref:AMM No.1 2-May ,17 HF Control (O/C) 23 A/F No.2 21-Feb ,885 4,7 HF Coupler (O/C) 23 A/F No.1 23-Dec ,875 3,492 HF Coupler (O/C) 23 A/F No.2 18-Jul , 3,646 HF Power Amplifier (O/C) 23 A/F No.1 1-Aug-1982 HF Power Amplifier (O/C) 23 A/F No.2 18-Jul ,16 3,646 HF Receiver/Exciter (O/C) 23 A/F Dec ,875 3,492 Generated: 22-Aug-217 6:44 PM 31/271

32 N531K STATUS PORT Learjet 55 N531K,SN Inertia Switch Q (O/C) 23 A/F PN Ref:AMM Aug-1982 Passenger Briefer Control (O/C) 23 A/F PN Ref:AMM Aug-1982 Passenger Briefer Recorder (O/C) 23 A/F PN Ref:AMM Aug-1982 Selcal Antenna/ Control (O/C) 23 A/F PN Ref:AMM Aug-1982 Selcal Decoder (O/C) 23 A/F PN Ref:AMM Aug-1982 Selcal Interface (O/C) 23 A/F PN Ref:AMM Aug-1982 Sonalert Flightphone (O/C) 23 A/F RT Ref:AMM Mar ,345 VHF Antenna (O/C) 23 A/F VF No.1 1-Aug-1982 VHF Antenna (O/C) 23 A/F VF1-347 No.2 1-Aug-1982 VHF Control (O/C) 23 A/F G Ref:AMM No.1 11-Jan-2 9, ,244 Generated: 22-Aug-217 6:44 PM 32/271