SUBJECT: TRANSMISSION FAIRING INSTALLATION, IMPROVEMENT OF. HELICOPTERS AFFECTED: Serial numbers through
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1 TECHNICAL BULLETIN January 2018 MODEL AFFECTED: 505 SUBJECT: TRANSMISSION FAIRING INSTALLATION, IMPROVEMENT OF HELICOPTERS AFFECTED: Serial numbers through [Serial number and subsequent will have the intent of this bulletin accomplished prior to delivery.] COMPLIANCE: At customer s option. DESCRIPTION: Bell Helicopter is aware of difficulties encountered during the installation of the left hand SLS and right hand SLS transmission fairings on the helicopter. This bulletin provides instructions to install ejector blades on each transmission fairing and enlarge (8) holes on the forward main rotor drive compartment fairing for optimal fastener alignment. The left hand SLS and right hand SLS transmission fairings will be re-identified as SLS FM and SLS FM respectively. The Applicability of this bulletin to any spare part shall be determined prior to its installation on an affected helicopter. APPROVAL: The engineering design aspects of this bulletin are Transport Canada Civil Aviation (TCCA) approved. CONTACT INFO: For any questions regarding this bulletin, please contact: Bell Helicopter Product Support Engineering - Light Helicopters Tel: / / pselight@bh.com Page 1 of 5
2 MANPOWER: Approximately 4.0 man-hours are required to complete this bulletin. This estimate is based on hands-on time and may vary with personnel and facilities available. WARRANTY: There is no warranty credit applicable for parts or labor associated with this bulletin. MATERIAL: Required Material: The following material is required for the accomplishment of this bulletin and may be obtained through your Bell Helicopter Textron Supply Center. Part Number Nomenclature Qty NAS Ejector Blade Rivet 6 12 Consumable Material: The following material is required to accomplish this bulletin, but may not require ordering, depending on the operator s consumable material stock levels. This material may be obtained through your Bell Helicopter Textron Supply Center. Part Number Nomenclature Qty Reference * Primer, Epoxy Polyamide 1 C-204 * C-XXX numbers refer to the consumables list in the BHT-ALL-SPM, Standard Practices Manual SPECIAL TOOLS: None required. WEIGHT AND BALANCE: Not affected. ELECTRICAL LOAD DATA: Not affected. REFERENCES: BHT-505-IPC, Illustrated Parts Catalog BHT-ALL-SPM, Structural Practices Manual Page 2 of 5
3 BHT-ALL-SRM, Structural Repair Manual PUBLICATIONS AFFECTED: BHT-505-IPC, Illustrated Parts Catalog, Chapter 53 ACCOMPLISHMENT INSTRUCTIONS: 1. Prepare the helicopter for maintenance. 2. Remove left hand (432AL) and right hand (432BR) transmission fairings (DMC-505- A A-030A-A, BHT-505-MM, Maintenance Manual, Chapter 6). a. Locate three ejector blades (1) on left hand transmission fairing (2) in most forward inboard edge holes (Figure 1). Use a #40 drill and drill two holes in the fairing to match each of the ejector blade attachment holes (BHT-ALL-SRM). Install three ejector blades (1) to fairing with two rivets (3) each. b. On each of the three ejector blades, install fastener (4) through ejector blade, slide on washer (5), and lock in place with grommet (6). c. Using permanent ink marker, re-identify left hand transmission fairing as SLS FM (or SLS FM for right hand transmission fairing as applicable). d. Repeat steps 2.a through 2.c for the right hand transmission cowling. 3. Access the forward main rotor drive compartment (431) (DMC-505-A A- 030A-A). On aft edge, locate the eight holes that mate with the L/H and R/H transmission fairings (Note 1, Figure 1). If found not enlarged, using a hole saw modifier, increase each of the eight hole diameters to to inch ( to mm) (BHT-ALL-SRM). 4. Touch-up the surrounding primed and/or painted areas as required (BHT-ALL-SPM). 5. Make an entry in the helicopter logbook and historical service records indicating compliance with this Technical Bulletin. Page 3 of 5
4 Figure 1 Transmission Fairing Installation Improvement (sheet 1 of 2) Page 4 of 5
5 Figure 1 Transmission Fairing Installation Improvement (sheet 2 of 2) Page 5 of 5
TECHNICAL BULLETIN May 2013 SUBJECT: TAIL ROTOR GEARBOX 3 PIECE FAIRING, MODIFICATION OF
TECHNICAL BULLETIN 206-13-205 24 May 2013 MODEL AFFECTED: 206A/B SUBJECT: TAIL ROTOR GEARBOX 3 PIECE FAIRING, MODIFICATION OF HELICOPTERS AFFECTED: Serial number 004 through 1251. COMPLIANCE: At customer
MODEL AFFECTED: 206L, 206L-1, 206L-3 and 206L-4 HYDRAULIC FLUID CONVERSION FROM MIL- PRF-5606 TO MIL-PRF-87257
TECHNICAL BULLETIN 206L-16-253 14 December 2016 MODEL AFFECTED: 206L, 206L-1, 206L-3 and 206L-4 SUBJECT: HYDRAULIC FLUID CONVERSION FROM MIL- PRF-5606 TO MIL-PRF-87257 HELICOPTERS AFFECTED: Serial numbers
TECHNICAL BULLETIN May 2013 Revision A, 11 July 2013 SUBJECT: TAIL ROTOR GEARBOX 3 PIECE FAIRING, MODIFICATION OF
TECHNICAL BULLETIN 206-13-205 24 May 2013 Revision A, 11 July 2013 MODEL AFFECTED: 206A/B SUBJECT: TAIL ROTOR GEARBOX 3 PIECE FAIRING, MODIFICATION OF HELICOPTERS AFFECTED: Serial number 004 through 1251.
MAIN ROTOR RIGGING, VALIDATION OF. HELICOPTERS AFFECTED: Serial numbers through 65013, through 65023, 65025, and 65031
MODEL AFFECTED: 505 ALERT SERVICE BULLETIN 505-17-05 8 December 2017 SUBJECT: MAIN ROTOR RIGGING, VALIDATION OF HELICOPTERS AFFECTED: Serial numbers 65011 through 65013, 65015 through 65023, 65025, 65030
ALTERNATE LUBRICANT AERIOL THIXO SYN AVIATION GREASE (C-172) AND BEARING , INTRODUCTION OF.
TECHNICAL BULLETIN 206L-13-247 23 August 2013 Revision A, 23 September 2013 Revision B, 23 September 2017 MODEL AFFECTED: SUBJECT: HELICOPTERS AFFECTED: COMPLIANCE: 206L, 206L1, 206L3 and 206L4 ALTERNATE
HYDRAULIC SYSTEM #1 AND #2 ACCUMULATOR P/N , REMOVAL OF
TECHNICAL BULLETIN 212-17-216 24 May 2017 MODEL AFFECTED: 212 SUBJECT: HYDRAULIC SYSTEM #1 AND #2 ACCUMULATOR P/N 212-076-007-003, REMOVAL OF HELICOPTERS AFFECTED: Serial numbers 30502 through 30603, 30611
COMPOSITE INLET COWLING, RETROFIT OF. HELICOPTERS AFFECTED: Serial numbers through 45790, through and through
TECHNICAL BULLETIN 206L-18-255 28 June 2018 MODEL AFFECTED: 206L-1, 206L-3, and 206L-4 SUBJECT: COMPOSITE INLET COWLING, RETROFIT OF HELICOPTERS AFFECTED: Serial numbers 45154 through 45790, 51001 through
SUBJECT: FUEL FITTING P/N AND , VERIFICATION OF.
ALERT SERVICE BULLETIN 212-18-159 13 September 2018 MODEL AFFECTED: 212 SUBJECT: FUEL FITTING P/N 50-040-1 AND 50-040-3, VERIFICATION OF. HELICOPTERS AFFECTED: Serial numbers 30502 through 30603, 30611
SUBJECT: MAIN ROTOR DRIVE, ENGINE-TO- TRANSMISSION DRIVE SHAFT RETAINING NUTS INSPECTION/REPLACEMENT
ALERT SERVICE BULLETIN 212-14-151 2 September 2014 Revision A, 13 December 2017 MODEL AFFECTED: 212 SUBJECT: MAIN ROTOR DRIVE, ENGINE-TO- TRANSMISSION DRIVE SHAFT RETAINING NUTS INSPECTION/REPLACEMENT
TECHNICAL BULLETIN January 2013 HYDRAULIC FLUID CONVERSION FROM MIL-PRF TO MIL-PRF-87257
TECHNICAL BULLETIN 212-12-213 3 January 2013 MODEL AFFECTED: 212 SUBJECT: HYDRAULIC FLUID CONVERSION FROM MIL-PRF- 5606 TO MIL-PRF-87257 HELICOPTERS AFFECTED: All helicopter serial numbers 30501 through
SUBJECT: ELECTRICAL POWER SYSTEM UNIT AND ROTORCRAFT FLIGHT MANUAL TEMPORARY REVISION, CANCELLATION OF
MODEL AFFECTED: 505 ALERT SERVICE BULLETIN 505-17-03 PSL 7000000247 28 November 2017 Revision A, 14 February 2018 Revision B, 6 March 2018 Revision C, 18 September 2018 SUBJECT: ELECTRICAL POWER SYSTEM
SUBJECT: MAIN ROTOR BLADE , -111, -113, -115, -117, -119, AND, -121, AND -033, INSPECTION OF.
ALERT SERVICE BULLETIN 212-08-130 19 December 2008 Revision C, 11 January 2017 MODEL AFFECTED: 212 SUBJECT: MAIN ROTOR BLADE 212-015-501-005, -111, -113, -115, -117, -119, AND, -121, 204-012-001-023 AND
ALERT SERVICE BULLETIN PSL September 2015 Revision A, 6 October 2017
MODEL AFFECTED: 212 ALERT SERVICE BULLETIN 212-15-155 PSL 7000000123 15 September 2015 Revision A, 6 October 2017 SUBJECT: FUEL CHECK VALVE 209-062-607-001, INSPECTION AND REPLACEMENT OF HELICOPTERS AFFECTED:
ALERT SERVICE BULLETIN NO.
DATE REV ALERT SERVICE BULLETIN NO. DATE PAGE 210-10-07 Dec 10, 2010 1 of 9 MODEL AFFECTED: 210 SUBJECT: ELEVATOR AND DIRECTIONAL FLIGHT CONTROL BEARINGS P/N MS27643-4; INSPECTION AND REPLACEMENT OF. HELICOPTERS
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ALERT SERVICE BULLETIN 214-12-73 25 May 2012 MODEL AFFECTED: 214B/B-1 SUBJECT: MAIN ROTOR HUB ASSEMBLY SPINDLE ASSEMBLY, P/N 214-010-103, MANDATORY INSPECTION AND OVERHAUL REQUIREMENTS. HELICOPTERS AFFECTED:
POWER TURBINE RPM (N2) STEADY STATE OPERATION AVOIDANCE, INTRODUCTION OF.
SERVICE BULLETIN 206L-08-150 20 May 2008 Revision A, 3 March 2009 Revision B, 25 July 2018 MODEL AFFECTED: 206L-1, 206L-3, and 206 L-4 SUBJECT: HELICOPTERS AFFECTED: COMPLIANCE: POWER TURBINE RPM (N2)
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ALERT SERVICE BULLETIN 412-17-175 02 February 2018 MODEL AFFECTED: SUBJECT: 412EP ROTORCRAFT FLIGHT MANUAL TEMPORARY REVISION FOR 4 AXIS AUTOPILOT OPERATIONS, INTRODUCTION OF. HELICOPTERS AFFECTED: Serial
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Airworthiness Directive Schedule Helicopters 25 January 2018 Notes: 1. This AD schedule is applicable to Bell 205A-1 helicopters manufactured under FAA Type Certificate No. H1SW. 2. The Type Certificate
Service Information Letter
Service Information Letter Open Rotor Circuit 9910591 Series Alternators Issue Date: December 20, 2006, Revision 1 Original Issue Date: November 29, 2006 INTRODUCTION: Kelly Aerospace Turbine Rotables
PARAVION TECHNOLOGY, INC AIRWAY AVENUE FT. COLLINS, COLORADO 80524
[Rev. 5, 11/07/07] PARAVION TECHNOLOGY, INC. 2001 AIRWAY AVENUE FT. COLLINS, COLORADO 80524 INSTRUCTIONS FOR CONTINUED AIRWORTHINESS 407H-120M BLEED-AIR CABIN HEATER INSTALLATION BELL MODEL 407 HELICOPTERS
ENGINE, COMBUSTION ASSEMBLY - INSPECTION OF OUTER COMBUSTION CASE P/N M
SERVICE BULLETIN 206L-16-179 7 October 2016 Revision A, 8 December 2016 MODEL AFFECTED: 206L-1, 206 L-3, and 206 L-4 SUBJECT: HELICOPTERS AFFECTED: ENGINE, COMBUSTION ASSEMBLY - INSPECTION OF OUTER COMBUSTION
PARAVION TECHNOLOGY, INC AIRWAY AVENUE FT. COLLINS, COLORADO 80524
PARAVION TECHNOLOGY, INC. 2001 AIRWAY AVENUE FT. COLLINS, COLORADO 80524 REPORT NO. INSTALLATION INSTRUCTIONS FOR 407PX-100 PEDAL EXTENSION INSTALLATION Page i Rev. F, 01/28/08 REVISIONS REV. DATE DESCRIPTION
SERVICE INSTRUCTION SI Revision 1
SERVICE INSTRUCTION SI-79-01 Revision 1 20 Tube Oil Cooler Retrofit SUBJECT / REASON / DESCRIPTION: This service instruction describes the replacement of the 18 tube oil cooler with a 20 tube oil cooler.
AVIAT AIRCRAFT INC. P.O. Box South Washington Afton, WY USA Fax:
DATE: 18 December 2000 REVISION: Orig. AIRCRAFT: PITTS SPECIAL P.O. Box 1240 672 South Washington Afton, WY 83110 USA 307-886-3151 Fax: 307-885-9674 aviat@aviataircraft.com SUBJECT: Propeller Accumulator
R44-series Ground Handling Wheel (Pop-Out Floats) Installation Kit Instructions ( upgrade to lever-style ground handling wheel assembly) NOTE
R44-series Ground Handling Wheel (Pop-Out Floats) Installation Kit Instructions ( upgrade to lever-style ground handling wheel assembly) NOTE Visit www.robinsonheli.com to verify kit instructions are current
PILATUS AIRCRAFT LTD. CH-6371 STANS, SWITZERLAND SERVICE BULLETIN SERVICE BULLETIN NO: REF NO: 106 MODIFICATION NO: ATA CHAPTER: 28
PILATUS AIRCRAFT LTD. CH-6371 STANS, SWITZERLAND NO: 28-009 REF NO: 106 MODIFICATION NO: 03 0178 ATA CHAPTER: 28 FUEL - DISTRIBUTION FUEL BOOSTER PUMP - DAMAGE TO WIRES DURING INSTALLATION 1. Planning
Service Bulletin No: Ref No: 49 Modification No: EC ATA Chapter: 32
PILATUS AIRCRAFT LTD, STANS, SWITZERLAND Service Bulletin No: 32-006 Ref No: 49 Modification No: EC-10-0569 ATA Chapter: 32 LANDING GEAR - MAIN GEAR AND DOORS REPLACEMENT OF THE WASHER ON THE MAIN LANDING
SERVICE BULLETIN SB0017 Rev A Page 1 of 5
SERVICE BULLETIN SB0017 Rev A Page 1 of 5 EFFECTIVE DATE: This Service Bulletin is effective November 15, 2016. SUBJECT: MODELS AFFECTED: COMPLIANCE TIME: PURPOSE: STABILIZER YOKE CC18-0002 THROUGH CC18-0083
Date: August 23, 2017 (S)
Piper Aircraft, Inc. 2926 Piper Drive Vero Beach, FL, U.S.A. 32960 SERVICE NO. 1304 BULLETIN PIPER CONSIDERS COMPLIANCE MANDATORY Date: August 23, 2017 (S) Subject: Main Wing Spar Inspection Models Affected:
SERVICE BULLETIN SERIAL NUMBERS. The equivalent of this service bulletin has been incorporated on production airplanes and On.
TITLE FUSELAGE - TAILCONE GROUND RECEPTACLE INSTALLATION EFFECTIVITY MODEL SERIAL NUMBERS 560-0539 thru -0649 REASON The equivalent of this service bulletin has been incorporated on production airplanes
SERVICE BULLETIN NO: REF NO: 076 MODIFICATION NO: ATA CHAPTER: 29. (1) PC-9 aircraft from MSN 101 thru MSN 247 and MSN 501 thru MSN 567.
3,/$786$,5&5$)7/7'&+67$166:,7=(5/$1' SERVICE BULLETIN NO: 29-008 REF NO: 076 MODIFICATION NO: ATA CHAPTER: 29 +
SERVICE BULLETIN MANDATORY REPLACEMENT OF THE PROPELLER GEARBOX FOR SOME ROTAX ENGINES TYPE 912/914 (SERIES) SB UL SB UL
MANDATORY SERVICE BULLETIN REPLACEMENT OF THE PROPELLER GEARBOX FOR SOME ROTAX ENGINES TYPE 912/914 (SERIES) UL UL Repeating symbols: Please, pay attention to the following symbols throughout this document
Service Bulletin No.: DA Rev 0 Date Issued: 8 January, 1999 Title: Nose Gear Fork, Fatigue Page: 1 of 6
Title: Nose Gear Fork, Fatigue Page: 1 of 6 1. ATA Code: 3220 2. Effectivity: DA20-A1 aircraft. 3. General: As a result of hard landings, cracks have appeared in the nose landing gear fork of some aircraft.
SERVICE LETTER TITLE EXHAUST - TRANSMITTAL OF LYCOMING SERVICE BULLETIN NO 627C, EXHAUST SYSTEM INSPECTION SERIAL NUMBERS
Single Engine MANDATORY SERVICE LETTER SEL-78-03 TITLE EXHAUST - TRANSMITTAL OF LYCOMING SERVICE BULLETIN NO 627C, EXHAUST SYSTEM INSPECTION EFFECTIVITY REASON MODEL T206H SERIAL NUMBERS T20608001 and
AIRCRAFT ENGINES SERVICE INSTRUCTION VERIFICATION OF THE LUBRICATION SYSTEM AND REPLACEMENT OF THE OIL PRESSURE SPRING FOR ROTAX
VERIFICATION OF THE LUBRICATION SYSTEM AND REPLACEMENT OF THE OIL PRESSURE SPRING FOR ROTAX ENGINE TYPE 912 (SERIES) AND ROTAX ENGINE TYPE 914 (SERIES) Repeating symbols: Please, pay attention to the following
It has been determined that some airplanes may have a hose plug installed in the inflatable belt assembly hose end.
Single Engine Service Bulletin November 19, 2007 TITLE AMSAFE INFLATABLE RESTRAINTS HOSE PLUG INSPECTION EFFECTIVITY Group A airplanes: The following airplanes were delivered from the factory equipped
SERVICE BULLETIN. No Compliance mandatory. Inspection/Repair of Main Landing Gear Mounting Attachment
SERVICE BULLETIN No. 300-2-04 Compliance mandatory Subject: of Main Landing Gear Mounting Attachment Affected Aircraft: S/N 1 through 31 and 1032 through 1034 Purpose: Approval: Cracks have been reported
EMERGENCY ALERT SERVICE BULLETIN
EMERGENCY ALERT SERVICE BULLETIN SUBJECT: MAIN ROTOR DRIVE - Epicyclic module Replacement of the epicyclic module second stage planet gears For the attention of HELICOPTER(S) NUMBER CONCERNED Civil AS332
Service Bulletin No.: D42L Rev 0 Date Issued: 06 June 2016 Title: GTX 33ES Installation Page: 1 of 6
Title: GTX 33ES Installation Page: 1 of 6 1. ATA Code: 3450 2. Effectivity: All DA42 aircraft with TCCA STC SA09-54 or FAA STC SA02725NY installed with Garmin GIA 63W (WAAS). 3. General: This Service Bulletin
Affected , RX, , and RX alternators in Service Station stock should be returned to Cessna.
Single Engine Service Bulletin December 18, 2006 TITLE 60 AMPERE ALTERNATOR BRUSH REPLACEMENT EFFECTIVITY The following airplanes currently equipped with part number 9910591-11, 9910591-11RX, 9910591-12
Please replace any copy of SEB07-2 with the attached copy of SEB07-2 Revision 1 which is printed in its entirety.
Revision Transmittal May 14, 2007 TO: Cessna Distributors, Single Engine Service Stations and CPC's SUBJECT: Single Engine Service Bulletin SEB07-2 Revision 1: Engine Mount Bracket Inspection. REASON FOR
SB-GA Issue 6
PO Box 881, Morwell, Victoria 3840, Australia Ph + 61 (0) 3 5172 1200 Fax + 61 (0) 3 5172 1201 www.gippsaero.com Service Bulletin Subject: Horizontal Stabiliser Inspection. Applicability: SB-GA8-2002-02