DVD Video Borescope Inspection Report Country Club Blvd, Suite 110, North Olmsted, Ohio REG# N837CA ENG TYPE PW123 REG# N837CA

Transcription

1 Don Maddock's BORESCOPE ON VIDEO, INC. (PHX AZ) 83 South Mountain View Rd. Apache J unction AZ - USA Business Cell Insp ected by: Dave Wiedman don@borescopeonvideo.com '- 'Since 1996" DVD Video Borescope Inspection Report UNITED ~ EXPRESS ~...(_...,. Qr Country Club Blvd, Suite 110, North Olmsted, Ohio ESN PCE AR0027 POSITION One ENG TYPE PW123 DA TE September 11, 2017 MODEL DCH MSN 554 JOB SITE Jazz. Halifax - Nova Scotia YHZ REG# N837CA REASON Acceptance Inspection ESN PCE AR0028 POSITION Two MODEL DCH MSN 554 JOB SITE Jazz Halifax - Nova Scotia YHZ ENG TYPE PW123 REG# N837CA DATE September 11, 2017 REASON Acceptance Inspection ESN SP-E POSITION APU MODEL DCH MSN 554 JOB SITE Jazz Halifax - Nova Scotia YHZ ENG TYPE APS500 PIN A REG# N837CA DA TE September REASON Acceptance Inspection

2 Don Maddock's BORESCOPE ON VIDEO, INC. (PHX AZ) 83 South Mountain View Rd. Apache Junction AZ - USA Business Cell Inspected by: Dave Wiedman don@borescopeonvideo.com - '- "Since 1996" DVD Video Borescope Inspection Report U N I TED [:'.'I EX PR ESS ~ """...'-- ~ Country Club Blvd, Suite 110, North Olmsted, Ohio ESN PCE AR0028 POSITION Two ENG TYPE PW123 DATE September 11, 2017 MODEL DCH MSN 554 JOB SITE Jazz. Halifax - Nova Scotia YHZ General Inspection Ref. PW MM Exterior Inspection No damage noted to the outer case or the accessories. REG# N837CA REASON Acceptance Inspection Suggested Action: None. Compressor Impeller Ref. PW MM LP Impeller Inlet LE dent in area Cb on one blade.350" long but <.118" deep is permitted. LE nicks and dents in area Cb observed on one blade >.030" in depth and >.060" long must be blended. Several others with small tears and raised material also require blending. Ref. AMM inspection check 1 pgs. 7, 9 & 10 attached. LP Impeller Outlet No discrepancies noted at this time. Suggested Action: Blend LP Impeller blades IA W AMM.

3 DVD Video Borescope Inspection Report ESN PCE-AR /SEP/' Page2 =:J HP Impeller Inlet Minor LE nicks and dents observed on several blades in area C <.020" are permitted. One dent near root in area C <.5" in length is permitted. Nick in the LE observed on one blade in area C.013" in depth and.032" in radial length refers to Category 1. Nick in the LE observed on one splitter vane in area C.027" in depth and.095" in radial length refers to Category 1 : Record the size and type of damage found. Do a subsequent borescope inspection after 100 hours, but not later then 200 hours. If the subsequent inspection reveals no change in the condition of the damage from the initial inspection, no more action is required. Ref. AMM inspection check 1pgs. 14, 15& 16attached. ()1ift: 1ili1f CQ Suggested Action: Refer to Category 1 as stated above.

4 DVD Video Borescope Inspection Report ESN PCE-AR /SEP/'17 Page3 Combustion Chamber Outer cooling ring observed with several areas of burns, cracks, coating erosion and missing material are permitted. Ref. AMM inspection check 2 pg. 6 attached. NGV's Cracks observed on the TE, concave side and inner platforms of many vanes are permitted. Small holes observed in the LE of four vanes exposing the inner cavity refer to Category C: Serviceable condition with subsequent borescope inspection interval: For engine on ECTM: 600 hours maximum. For engine not on ECTM : 400 hours maximum. NOTE: For more frequent borescope inspections, it is recommended to do a borescope inspection through the igniter ports instead of the fuel nozzle ports. Ref. AMM Inspection Check 2 pgs. 14, 16 & 19 attached. Suggested Action: Refer to Category C as stated above.

5 DVD Video Borescope Inspection Report ESN PCE-AR /SEP/'17 Page 4 =1 Turbine Reference PW MM HPT Blades No discrepancies noted at this time. LPT Blades No discrepancies noted at this time. Power Turbine 1 Blades No discrepancies noted at this time. Power T urbine 2 Blades No discrepancies noted at this time. Case Air Plenum No discrepancies noted at this time. AA0021 """ Suggested Action: None. Tile contents of this report are based on attentive inspection and review. It is exclusive of any damage not detectable wit/jou/ removal and disassembly of tile unit. This report is submitted in confidence to tile above named client. Tile external video walk around is for cursory purposes only which covers general cleanliness, obvious damage and leaks, a more detailed inspection should be provided by the maintenance facility. Some service bulletins and AD's may be incorporated as routine but specific SB's should be requested with tile work order. Although this report is believed to be a true and fair representation of the condition of the engine. the client acknowledges that BO V's liability is limited to tile amount of the invoice. The engines inspected may /Jave been prepared for borescope by tile facility named above under j ob site and returned to original condition by the same facility. Maintenance Manual pages attached to this report if any are uncontrolled and are for general reference only. Verify limits with current MM effective for this engine and or aircraft. SIGNATURE DATE September 11, 2017

6 DVD Video Borescope Inspection Report ESN PCE-AR /SEP/'17 Page5 :J ENGL\E - INSPECTION CHECK- I P;ig.e 7 of ENGINE - INSPECTION/CHECK-1 MODEL(S) PW123 (BUILD SPEC. 707)/ PW123B (BUILD SPEC. 785)/ PW123C (BUILD SPEC. 838)/PW123D (BUILD SPEC. 839)/PW123E (BUILD SPEC. 869) Manua l Part No , Revis io n No. 51.0, Date d AUG 29/2016 Detail F}..9. General: Except for FOO damage causing engine surge or unusual w hining noise where the engine has to be removed immediately, allowable blend repairs (Ref. Table.2Q.1 ) must be performed within 25 FH following the identification of the LP impeller damage. Dent s in area Cb may be serviceable until blend repair is possible. Refer to Table 601 for acceptance criteria. 1- r Table 601 LP Impeller Inspection (Full and Splitter Vanes) Area Area Name Inspection Limits Ca Inner Leading Edge Nicks or dents in. (0.76 mm) (extends 1.0 in. (25.4 deep Max. and in. (1.52 mm) mm) long Max. are serviceable. from root radius) Blend repair nicks or dents more than in. (0.76 mm) deep and in. (1.52 mm) long, to a maximum depth in. (5.10 mm) (Ref. Notes 1, 2 and 3). Replace the impeller if nicks or dents are more than in. (1.52 mm) long and in. (5.10 mm) deep. Cb Outer leading edge Nicks in. (0.76 mm) deep and blade tip Max. and n. (1.52 mm) long (extends from Ca to Max. are serviceable vane tip) Blend repair nicks more than in. (0.76 mm) deep and in ( 1 52 mm) long, to a maximum depth in. (6.35 mm) (Ref. Notes 1, 2 and 3). Replace the impeller if nicks are more than in. (1.52 mm) long and in. (6.35 m'l!) deep. Dents from in. (0.76 mm) to in. (3.00 mmj deep Max. and in. (8.25 mm1 long Max. are serviceable with shorter inspection intervals until blend repair is possible (Ref. Notes 1. 2 and 4 ). Replace the impeller if dents are more than in. (3.00 mm) deep and in.(8.25 mm) long. Bent LP impeller airfoil tips ( X in. Max) can be repaired by cutting blade tip triangularly (Ref Printed on: 8JUN/17 P&WC Proprietary - s11hj ect to r estrict io ns in Technica l Data Agreem en t

7 DVD Video Borescope Inspection Report ESN PCE-AR /SEP/'17 Page 6 ENGNE - INSPECTION/CHECK- I Page 9of ENGINE - INSPECTION/CHECK-1 MODEL(S) PW123 (BUILD SPEC. 707}/PW123B (BUILD SPEC. 785}/ PW123C {BUILD SPEC. 838}/PW1230 (BUILD SPEC. 839)/PW123E (BUILD SPEC. 869) Manual Part N o , Revision No. 51.0, Dated AUG 29/2016 Area I Area Name I inspection Limits NOTE: 1. A dent is surface damage without sharp edges. A nick is surface damage with sharp edges. 'NOTE: 2 Nicks or dents must be blended 1f raised material or tears are present. NOTE: 3. Serviceable and blend repaired nicks or dents must be monitored, by visual inspection or with a borescope for the presence of or beginning of a crack (Ref , SCHEDULED INSPECTIONS/MAINTENANCE INTERVALS). Cracks are not acceptable. NOTE: 4. Dents (Ref. Area Cb) must be monitored, by visual inspection or by using a borescope, every 200 hours for the presence of or beginning of a crack. Cracks are not acceptable. Printed on: 8JUN/17 P&WC Pro1>rietary - subject to restrictions in Technical Data Agreem ent

8 DVD Video Borescope Inspection Report ESN PCE-AR /SEP/'17 Page 7 =:J ENGINE - INSPECTIO /CHECK- I Pnge 10of ENGINE - INSPECTION/CHECK-1 MODEL{S) PW123 (BUILD SPEC. 707)/PW123B {BUILD SPEC. 785)/PW123C (BUILD SPEC. 838)/PW123D (BUILD SPEC. 839)/PW123E (BUILD SPEC. 869) Manual Part No , Revision No. 51.0, Dated AUG 29/2016 Figure 601 LP Impeller - Inspection (Full and Splitter Vanes) NOT ACCEPTABLE IN. I ), (3.81 mm) ' IA I Nl~1U~i I,' RADIUS (/ -- _fa-~ AREA Cc & H - BLEND LI MITS i ACCEPTABLE A IN. MIN (0.76 mm.) :::;.:::--' ~ IN. l (3.1 8 mm) _J ~ l ln. (25.4 mm) AREA K BENT AEROFOIL TIP A E ~ D. I I Clb 1 IN. --l c I I ~/ 8 (25.4 mm) i J _ -_-::::::.f ' IN..--- (3.1 7 mm) -i H' Cc t E SECTION C-C IN. IAIN (0.76 mm.) IN. ~IAX (6.35 mm) VIEY/ D " IN. MAX I (6.35 mm) "'-._ IN. MIN - (0.76mm.) AS REOUIREO (AREA Cb ONL V) IN. MIN (0.76 mm.) VIEW E Printed on: 8JUN/17 P&WC Pr o1>rietary - s11hject to restrictions in Technica l Data Agreem ent

9 DVD Video Borescope Inspection Report ESN PCE-AR /SEP/'17 PageB =:J ENGil\c - INSPECTIO /CHECK- I Page 14 of6: ENGINE - INSPECTION/CHECK-1 MODEL(S) PW123 (BUILD SPEC. 707)/PW123B (BUILD SPEC. 785)/PW123C (BUILD SPEC. 838)/PW123D (BUILD SPEC. 839)/PW123E (BUILD SPEC. 869) Manual Part No , Revision No. 51.0, Dated AUG 29/2016 Figure 602 HP Impeller - Inspection (Full and Splitter Vanes) AREA Cc c A FULL BLADES in. (3.17mm) Ref in. (22.86 mm) Ref In. (66.05 mm) SPLITTER BLADES In. (3.17 mm) Ref in. (16.51 mm) Ref in. (40.64 mm) I ~ Tab le 602 HP Impeller Inspection (Full and Splitter Vanes) (Ref. Fig. 602) Printed 0 11: 8 JUN/17 P&WC Propriet ary - subject to r estrictions in Technical Dat a Agr eem en t

10 DVD Video Borescope Inspection Report ESN PCE-AR /SEP/'17 ENGINE - INSPECTION/CHECK-! Page9 Page 15 of ENGINE - INSPECTION/CHECK-1 MODEL(S) PW123 (BUILD SPEC. 707)/PW123B (BUILD SPEC. 785)/PW123C (BUILD SPEC. 838)/PW123D (BUILD SPEC. 839)/PW123E (BUILD SPEC. 869) Manual Part No , Revision No. 51.0, Dated AUG 29/2016 TYPE OF AREA A (Vane tip) or AREA Cc DAMAGE Area C (Leading edge, (Root radius, at leading extends from root edge) radius) Dent A dent less than A dent less than in. (Ref. Fig. 603) in. (12.7 mm ) (12.7 mm) in length is serviceable. in length that is mostly No action required. included or partially extends into Area Cc is serviceable. No action required. A dent more than A dent more than in. {12.7 mm) in. (12.7 mm) in length, refer to in length that extends Category 1. into Area Cc, refer to Category 1. Nick A nick less than in. A nick less than in. (Ref. Fig. 604) (0.51 mm) (0.51 mm) (Ref. NOTE 1) in size is serviceable. in size is serviceable. No action required. No action required. A nick between to A nick between to in in. ( mm) in size. ( mm) in size, refer to Category 1. refer to Category 1. A nick between to A nick between to in in. ( mm) in size, ( mm) in size, refer to Category 2. refer to Category 2. A nick more than A nick more than in. (7.62 mm) in. (2.03 mm) in size. refer to Category in size, refer to Category Tear A tear less than in. A tear less than in. (Ref. Fig. 605) (0.51 mm) (0.51 mm) (Ref. NOTE 1) in size is serviceable. in size is serviceable. No action required. No action required. A tear between to A tear between to in in. ( mm) in size, ( mm) in size, refer to Category 1. refer to Category 1. A tear between to A tear between to in in. Printed o n : 8JUN/17 P&W C Propriet ary - subj ect t o r estrict ions in Tech nica l Data Agreement

11 DVD Video Borescope Inspection Report ESN PCE-AR /SEP/'17 El Gll\1E - INSPECTIO /CHECK- I Page 10 Page 16of ENGINE - INSPECTION/CHECK-1 MODEL{S) PW123 {BUILD SPEC. 707)/PW123B (BUILD SPEC. 785)/ PW123C (BUILD SPEC. 838)/PW123D (BUILD SPEC. 839)/PW123E (BUILD SPEC. 869) Manual Part No , Revision No. 51.0, Dated AUG 29/2016 TYPE OF AREA A (Vane tip) or AREA Cc DAMAGE Area C (Leading edge, (Root radius, at leading extends from root edge) radius) ( mm) in size. ( mm) in size, refer to Category 2. refer to Category 2 A tear more than A tear more than in. (7.62 mm) in. (2.03 mm) in size, refer to Category in size, refer to Category Crack A crack less than Any crack in this Area, (Ref. NOTE 1) in. (0.51 mm) refer to Category 3. in size is serviceable. No action required. A crack between to in. ( mm) in size, refer to Category 1. A crack between to in. ( mm) in size, refer to Category 2. A crack more than in. (7.62 mm) in size, refer to Category 3. NOTE: 1. The term "Size". 1s used for a nick, tear or crack and is defined as the greater dimension. either length or depth. characterizing the damage NOTE: 2. If any FOO has caused the engine to become prone to engine surges or causes unusual compressor whining, the engine must be removed immediately. Catego ry 1: Record the size and type of damage found. Do a sl1bsequent borescope inspection after 100 hours. but not later then 200 hours If the subsequent inspection reveals no change in the condition of the damage from the initial inspection. no more action is required. If any crack 1s seen to gro... in size or propagate from the damaged area. or 1f material is m ss,ng since the last inspection. the engine must be scheduled for removal in less than 10 hours. Category 2: Printed on: 8 JUN/ 17 P&WC Pro11rietary - suhject to restrictio ns in Technical Data Agreem ent

12 DVD Video Borescope Inspection Report ESN PCE-AR /SEP/'17 Page 11 ENGINE - rnspection/check-2 Page 6 of ENGINE - INSPECTION/CHECK-2 MODEL( S) PW 123 ( BUILD SPEC. 707) /PW1 23 B (BUILD SPEC. 785)/PW123C (BUILD SPEC. 838 ) /PW 123 D (BUILD SPEC. 839)/PW123E (BUILD SPEC. 869) Manual Part No , nevision No , Dat ed AU G 29/2016 Figure 604 Cooling Ring - Example of Missing Section COOLING RING i \_ MISSING SECTION OF COOLING RING I Cooling rings eroded and I or cracked are :t(leplable ii the suhsey_uenl inspections are G 1111ecl out as defined 'n the re ular m,1 ntena11ci' progr.:'!m. NOTE : Cooling rings having missing materials can change ailf low, which would increase the combustion liner deterioration. (b) Combustion chamber inner and outer liner assemblies (Ref. Fig. 605) 1 The holes in t he area that follow are acceptable pr ovlded that you do a repeat inspection of the affected area within 300 flight hours. You must do subsequent inspections intervals on the rate of progression and level of deterioration you find. If no further deterioration is seen, the engine can continue in service and do subsequent Inspections as given in the regular maintenance program. Printed on: B JUN/ 17 P&WC Prop rietnry - snl>ject t o restrictio ns i n Technical Data Ag reem ent

13 DVD Video Borescope Inspection Report ESN PCE-AR /SEP/'17 Page 12 ENGINE - INSPECTIO /CHECK-2 Page 14 of ENGINE - INSPECTION/CHECK-2 PRATT & WHIT NEY CANADA MODEL(S) PW123 (BUILD SPEC. 707)/PW123 B (BUILD SPE C. 785)/PW123C (BUILD SPEC. 838)/PW123D {BUILD SPEC. 839)/PW123 E (BUILD SPEC. 8G9) Manual Part No , Revision No , Dated AUG 29/201G select to use borescope criteria for engine shop repair, the Inspection Interval that follows Is defined in accordance with the damage category of the HP vane segment. (c) Regardless of the borescope Interval recommended, it is good maintenance pract ice to do a borescope inspection of the combustion chamber, HP turbine vane segments and HP turbine blades during a fuel nozzle change. If subsequent borescope Inspections reveal hot section damage, the fuel nozzle set associated with the damage will not be known If the condition of these components was not checked when you do a fuel nozzle change. (2) Inspection Criteria (a) The four categories listed below cover HP vane segment deterioration: 1 Category A (Ref. Fig. 608) SE:rv1cE:ablE: condition with subso::que:nt bore,scop E: mspe:ction mte:rval: For E:nginE: on ECTM: 1500 holll S maxim um. For E:nglno:: not on ECTM: 1000 hours maximum. l Category B (Ref. Fig..!ill.9) Serv1cE:ablE: condition with subse:quent bore:scop E: inspection interval : For engine on ECTM : 1000 hours m axun um. For E:ngmE: not on ECTM : 600 hours maxim um. 3 c (RPI. F"Q.!.!.l!l),NOTE: ror 11101,:> fr Pqu1~11 t IJor!'SCOJ)E: inspections, it is l'?c011111lend1~,i lo do,, borescoµe in5pecli1j "lll!jh tl1p iqniter ports inste;;d of the fuel nozzlp pnr ts..1 Category D (Ref. Fig. ill) UnservicE:able condition ro::qu1ro:: o::n gin" 1 emovai m 50 hours maximum. Operation o f the o::ngln E: for SO hours IS pe:rmitted if t he: bore,scope inspection of tho:: combustion chamber llne:r, HP turbine bl ades, LP tu1 bine: vanes and LP turbine blades rs sat1sfacto1 y and re:sults of power assur ance: ch eck are: In limit s. Printe d on: O JUN/ 17 P& WC Pr opriel llry su l.jject to restrictions in Technicllr Dain A greem ent

14 DVD Video Borescope Inspection Report ESN PCE-AR /SEP/'17 Page 13 :J ENGINc - INSPECTION/CHECK-2 Pnge 16of ENGINE - INSPECTION/CHECK-2 MODEL(S) PW123 (BUILD SPEC. 707)/PW123B (BUILD SPEC. 785)/PW123C (BUILD SPEC. 838)/PW123 D (BUILD SPEC. 839)/PW123E (BUI LD SPEC. 869) Manual Part No , Revision No. 51.0, Dated AUG 29/2016 Figure 608 HP Turbine Vane Segment - Serviceable Condition {Category A) CONVERGING CRACKS, DENTS OR ~ IMPACT DAMAGE AT LEADING EDGE ARE ACCEPTAB LE FOR CONTINUED SERVICE (CATEGORY A). '...! ~. MULTIPLE CRACKS, DENTS OR IMPACT DAMAGE ON THE AIRFOIL ARE ACCEPTABLE FOR CONTINUED SERVICE (CATEGORY A). Printe d o n: 0JUN/ 17 P&WC Pro1n ictnry - sul.jject to restriction s in Technical Datl'I Agreement

15 DVD Video Borescope Inspection Report ESN PCE-AR /SEP/'17 Page 14 =1 ENGINE - INSPECTION/CHECK-2 Page 19of ENGINE - INSPECTION/CHECK-2 MODEL(S) PW123 (BUILD SPEC. 707)/ PW123B (BUILD SPEC. 785 )/PW123C (BUILD SPEC. 838 ) / PW123D (BUILD SPEC. 8 39) / PW123E (BUILD SPEC. 869) Manual Part No , Revision No , Dated AUG 29 /2016 Figure 610 HP Turbine Vane Segment - Serviceable Condition {Category C) NOTE: WHEN A SINGLE AIRFOIL IS AFFECTED BY CATEGORY C DAMAGE, IT MIGHT BE CAUSED BY DEVIATING FUEL NOZZLE FLOW. IT IS RECOMMENDED TO REPLACE THE FUEL NOZZLES AS PRECAUTION TO REDUCE THE HP VANE DAMAGE PROGRESSION AND FURTHER DOWNSTREAM DAMAGE. MISSING MATERIAL OR HOLE AT THE LEADING EDGE EXPOSING INTERNAL SUPPORT. SERVICEABLE CONDITION (CATEGORY C). Printed on : 0 JUN / 17 P& WC Propri etf'lr y - sul.jject t o r estri ctio n s in Tech n i cal Data Agreem ent