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Discard Revision 01 of this Service Bulletin dated Jul 31/2019, and replace in its entirety with this Revision 02.
Service Bulletin No. 350−32−009 Date of Basic Issue Oct 31/2018 Revision No. Basic Dated Oct 31/2018 Revision No. 01 Dated Jul 31/2019 Revision No. 02 Dated Sep 30/2019 This revision has no effect for aircraft on which the Basic Issue or Revision 01 of this Service Bulletin was done thus no other action is necessary. Do not sign the log book if you have not done this revision. Keep the previous log book entry. You may make an entry as "Not Applicable" for this revision.
This revision is issued to:
1. Revise, Paragraph 2.B.(1), to correct a typographical error in the Part No. of the Nose Landing Gear (NLG) shock strut assembly.
2. Make miscellaneous minor changes, as necessary, with no change of context.
SERVICE BULLETIN MODEL BD−100−1A10 (CH−350) 350−32−009 Page 1 of 1
REVISION TRANSMITTAL SHEET
MODIFICATION — NOSE LANDING GEAR (NLG) — SHOCK STRUT CYLINDER
ASSEMBLY CORROSION INSPECTION AND MODIFICATIONS TO IMPROVE
CORROSION RESISTANCE AND SLEEVE INSTALLATION The information below is provided for your reference. For full details, including labor and part coverage, please see corresponding paragraph contained within this bulletin.
RECOMMENDED
SPECIFIED TIME COMPLIANCE
COMPLIANCE TIME Refer to Paragraph 1.D.
EFFECTIVITY: A/C Serial No. 20501 to 20767 MANPOWER: 24 man−hours
CONTINUED AIRWORTHINESS (CAW)
FLEET CAMPAIGN NOYES TLMC, CH 5 AFFECTED YES NO KITS and/or PARTS YES NO
TOOLING/GSE YES NO PLANNING INFORMATION: See important information at the start of Paragraph 1. YES NO
DEDICATED SCHEDULE NOYES PREREQUISITE SERVICE BULLETINS: N/A NOTE: This Service Bulletin may be subject to an Airworthiness Directive which will make it necessary to implement this Service Bulletin.
To place an order for parts or kits, please call Bombardier Aerospace Parts Services at:
514−855−2999 or 1−866−538−1247
SERVICE BULLETIN SUMMARY my.businessaircraft.bombardier.com MODEL BD−100−1A10 (CH−350) ATA 32−21
LANDING GEAR Basic Issue: Oct 31/2018 Revision 02: Sep 30/2019 350−32−009 Page 1 of 1 This Service Bulletin is available at:
MODIFICATION — NOSE LANDING GEAR (NLG) — SHOCK STRUT CYLINDER
ASSEMBLY CORROSION INSPECTION AND MODIFICATIONS TO IMPROVE
CORROSION RESISTANCE AND SLEEVE INSTALLATION
1. PLANNING INFORMATION NOTE: Before you do this Service Bulletin, examine all STC, STA or equivalent action changes to make sure that this Service Bulletin can be completed.
A. Effectivity BD−100−1A10 aircraft, Serial No. 20501 to 20767 that have a Nose Landing Gear (NLG) assembly, Part No. 44610−101, installed.
All other subsequent BD−100−1A10 aircraft are scheduled for the modification in production (Ref.: Modification Summary 100T010942).
NOTE: The instructions given in this Service Bulletin are only applicable to the systems and parts installed at the time of delivery of the aircraft or as changed by Bombardier Aerospace Service Bulletin(s).
B. Reason
1. Condition:
There may be corrosion on the NLG shock strut cylinder assembly under the sleeve for the steering cuff.
2. Evidence:
Some Challenger 300 sleeves were removed and corrosion was found underneath on the shock strut cylinder. In some cases, the corrosion was found to be beyond repair limits. The sleeve installation for the Challenger 350 is similar.
SERVICE BULLETIN my.businessaircraft.bombardier.com MODEL BD−100−1A10 (CH−350) ATA 32−21
LANDING GEAR Refer to applicable governmental agency regulations and requirements and make sure that the work described in this Service Bulletin is performed in compliance with manufacturer’s recommendations and/or acceptable industry standards.
This document is proprietary to Bombardier Inc. and/or its affiliates and may not be reproduced or copied in any form or by any means without the prior written consent of Bombardier Inc. and/or its affiliates.
2018−2019 Bombardier Inc. All rights reserved Learjet, Challenger, Global, are registered trademarks of Bombardier Inc. or its subsidiaries.
Basic Issue: Oct 31/2018 Revision 02: Sep 30/2019 350−32−009 Page 1 of 10 This Service Bulletin is available at:
3. Objective/Benefit:
This Service Bulletin gives instructions to improve the corrosion protection of the shock strut cylinder and address any corrosion found in the area under the sleeve with the implementation of SAFRAN Service Bulletin SB100−32−027.
C. Description This Service Bulletin gives instructions to:
− Lift the complete aircraft with jacks, − Remove the NLG Shock Strut Assembly from the aircraft, − Send the NLG Shock Strut Assembly to an approved repair center, − Install the reworked NLG Shock Strut Assembly on the aircraft, and − Do the necessary tests to make sure that the system operates correctly.
D. Compliance Recommended − Specified Time Compliance NLG assemblies with less than 96 months TSN, at the time of release of this Service Bulletin (Revision 01), must incorporate this Service Bulletin at the 96 months inspection.
NOTES: 1. As of Service Bulletin (Revision 01) release date, it is prohibited to allow the installation of the NLG shock strut, Part No. 44630−101, without the incorporation of this Service Bulletin.
2. If it is not possible to complete all the instructions in this Service Bulletin because of the aircraft configuration, submit an SRPSA for analysis and to get an approved disposition to complete this Service Bulletin.
E. Approval The technical content of this Service Bulletin has been approved under the authority of Transport Canada Civil Aviation (TCCA) Design Approval Organization (DAO) No. DAO #93−Q−02.
NOTES: 1. The technical content of this Service Bulletin is accepted by the FAA under the Canada/USA bilateral Aviation Safety Agreement.
2. The technical content of this Service Bulletin is accepted by EASA under the Canada/EU bilateral Aviation Safety Agreement.
MODEL BD−100−1A10 (CH−350) Basic Issue: Oct 31/2018 Revision 02: Sep 30/2019 350−32−009 Page 2 of 10
F. Manpower NOTES: 1. The man−hours given are to help you schedule the tasks given in this bulletin. The man−hours are for direct labor performed by an experienced crew and do not include the time for familiarization, planning, aircraft preparation in hangar such as towing and positioning of scaffolds, removal of interior furnishings, repainting, supervision and inspection.
For more information related to the manpower, refer to SB 350−00−002.
2. This Service Bulletin may require consumable materials that have specific curing times (refer to Paragraph 3). The accumulated curing time is not included in the man−hours and should be considered for planning purposes before you schedule this Service Bulletin.
24 man−hours are necessary to do this Service Bulletin.
Bombardier Aerospace does not pay for the labor to do this Service Bulletin.
G. Material − Cost and Availability No kit is necessary to do this Service Bulletin.
The parts in Paragraph 3.B. may be necessary to do this Service Bulletin.
Bombardier Aerospace does not pay for the parts to do this Service Bulletin.
For all parts transactions, Bombardier Aerospace’s current Spare Parts and Component Repair Price Catalogue General Terms and Conditions apply. These terms and conditions are found on the Bombardier Customer Portal at:
my.businessaircraft.bombardier.com For special pricing conditions from Bombardier, contact your Regional Sales Manager or refer to the 350−32−009 Conditions for Pricing and Smart Services information document.
For those Aircraft enrolled in a Smart Parts program:
Smart Parts provides one time cost coverage for the hydraulic preformed packing listed in Paragraph 3.B. of this Service Bulletin and kits and detail parts required to implement the SAFRAN Service Bulletin referenced in Paragraph 1.B.(3) of this Service Bulletin within its time compliance when ordered from Bombardier. Labor and fittings such as the shock strut cylinder are excluded.
For those Aircraft enrolled in a Smart Parts program with Landing Gear Overhaul optional coverage:
For additional cost coverage provided under the Smart Parts Landing Gear Overhaul add−on option, contact Smart Services Montreal or refer to the 350−32−009 Conditions for Pricing and Smart Services information document.
MODEL BD−100−1A10 (CH−350) Basic Issue: Oct 31/2018 Revision 02: Sep 30/2019 350−32−009 Page 3 of 10
Contact your Regional Sales Manager for information regarding enrollment into a Smart Parts program with Landing Gear Overhaul optional coverage or the addition of optional coverage to an existing Smart Parts agreement.
H. Tooling The equipment and tools listed below are necessary to do this Service Bulletin:
GSE REFERENCE NO. PART NO. DESCRIPTION 07−10−01 G1000700001−001 Pads, Jacking Kit 07−10−03 02−7856−0100 Jack, Forward Fuselage 07C−10−04 02−7863−0100 MLG/NLG Axle Jack (12 Tons (10886 kg)) 07C−10−06 03−5822−0000 Support, Rear Fuselage 12−10−09 06−4035−0500 Unit − Hydraulic Oil Servicing(MIL−PRF−5606) (8 US Gal.)
12−20−03 14−6805−6010 Strut Servicing Kit (Air/Nitrogen) 12X−20−02 18−4208−0010 Nitrogen Servicing Unit 12−30−05 2755 Tire Deflation Tool 20−00−03 LG100 Force Gauge (0−100 lbs) 24−00−24 S4933959−501 Tag, Circuit Breaker 27C−00−02 G1002720042−063 Kit − Rigging Pin 32C−00−04 CAT 5881−1 NLG Lifting Bar 32C−00−05 CAT 5881−14 NLG Handling Bar 32C−00−07 CAT 5881−17 Nose Landing Gear "L" Bar 32C−10−04 CAT 5881−4 Shock Strut Trunnion Pin Extractor 32C−20−02 G1003220001−063 Kit − NLG Doors Instrumented Rods 32C−21−02 G1003210001−001 Adapter − NLG Servicing 32C−22−01 DSK20999N04−001 Nose Landing Gear Door SpringPuller 32C−40−02 CAT5881−6 NLG Protective Cone MODEL BD−100−1A10 (CH−350) Basic Issue: Oct 31/2018 Revision 02: Sep 30/2019 350−32−009 Page 4 of 10
GSE REFERENCE NO. PART NO. DESCRIPTION 32−40−03 LDH562 NLG Axle Socket 1−3/4" 32C−51−01 CAT5883−1 SCU Breakout Box 32C−51−02 G1003251001−003 SCU/PC Interface Cable Commercially Available − Container, Hydraulic Fluid [5 U.S.Gal (18.92 Liter)] Commercially Available − Wrench, Torque 10 to 15 lbf in (1.36to 1.69 Nm) Commercially Available − Wrench, Torque 25 to 30 lbf in (2.83to 3.38 Nm) Commercially Available − Wrench, Torque 80 to 100 lbf in(9.04 to 11.29 Nm) Commercially Available − Wrench, Torque 135 to 190 lbf in(15.26 to 21.6 Nm) Commercially Available − Wrench, Torque 17.92 to 23.33 lbf ft(24.30 to 31.63 Nm) NOTES: 1. Refer to the BD−100 Illustrated Tool and Equipment Manual (ITEM) to make sure that you use the correct equipment configuration.
2. Refer to the Liability Statement in the ITEM for the BD−100, for acceptable GSE equivalents.
I. Weight and Balance No change.
J. Electrical Load Data No change.
K. References − TCCA Airworthiness Directive, (Pending).
− Bombardier Aerospace, Modification Summary, BB100T010942, Rev. A.
− Bombardier Aerospace, Modification Summary, 100T010942, Rev. A.
− Bombardier Aerospace, Restriction and/or Special Instruction (RSI), C−100−000−32−0170, Rev. −− .
− Bombardier Aerospace, Kit Drawing K1000070428, Rev. −−.
MODEL BD−100−1A10 (CH−350) Basic Issue: Oct 31/2018 Revision 02: Sep 30/2019 350−32−009 Page 5 of 10
− Bombardier Aerospace, Standard Practices Manual (SPM), Chapter 20.
− Bombardier Aerospace, SB 350−00−002, Service Bulletin Description and Policy.
− Bombardier Aerospace, SB 350−32−009, Conditions for Pricing and Smart Services Information Document (attached).
− SAFRAN Landing Systems, Service Bulletin 100−32−027.
− SAFRAN Landing Systems, Component Maintenance Manual (CMM), Chapter 32.
− CH 350 Aircraft Maintenance Manual (AMM), Chapters 6, 24, 29 and 32.
− CH 350 Illustrated Tool and Equipment Manual (ITEM) Chapters 7, 24 and 32.
L. Other Publications Affected − CH 350 Aircraft Illustrated Parts Catalog (AIPC), Chapter 32.
− CH 350 Time Limits/Maintenance Checks (TLMC), Revision 9 dated Dec. 18/2017.
M. Equivalent Service Bulletin For the Challenger 300 aircraft, use Service Bulletin 100−32−33.
2. ACCOMPLISHMENT INSTRUCTIONS NOTES: 1. All TASKs given in the procedures that follow are from the BD−100, Aircraft Maintenance Manual unless otherwise specified.
2. All references made to zones, access panels and/or doors, are from the BD−100, Aircraft Maintenance Manual, Chapter 6.
A. Aircraft Setup NOTE: The steps in the Aircraft Setup section of this Service Bulletin are recommended steps. The steps give a recommendation to get access to the work area. This recommendation is to give a safe work area and to minimize possible damage to surrounding aircraft parts. Alternative steps can be used at the operator’s discretion.
(1) Obey all electrical/electronic safety precautions. Refer to AMM 24−00−00−910−801.
(2) Obey all the hydraulic safety precautions. Refer to AMM 29−00−00−910−801.
(3) Obey all the hydraulic technical precautions. Refer to AMM 29−00−00−910−802.
(4) Obey the landing−gear safety precautions. Refer to AMM 32−00−00−910−801.
(5) Remove the electrical power from the aircraft. Refer to AMM 24−00−00−861−802.
MODEL BD−100−1A10 (CH−350) Basic Issue: Oct 31/2018 Revision 02: Sep 30/2019 350−32−009 Page 6 of 10
B. Modification NOTE: If it is not possible to complete all the instructions in this Service Bulletin because of the configuration of the aircraft, submit an SRPSA for analysis and to get an approved disposition to complete this Service Bulletin.
(1) Remove the Nose Landing Gear (NLG) shock strut assembly, Part No.
44630−101. Refer to AMM 32−21−05−000−801.
(2) Send the NLG Shock Strut Assembly to an authorized repair center to perform SAFRAN Service Bulletin SB100−32−027.
(3) Install the reworked Nose Landing Gear (NLG) shock strut assembly, Part No.
44630−101, with SB 100−32−027 on the ModPlate. Refer to AMM 32−21−05−400−801.
C. Close−out NOTE: The steps in the Close−out section of this Service Bulletin, except for the return−to−service tests, are recommended steps. The steps give a recommendation to install components removed during the Aircraft Setup.
This recommendation is to make sure that the aircraft is safe and ready to return to service. Alternative steps can be used at the operator’s discretion.
Remove all tools, equipment and unwanted materials from the aircraft.
D. Recording When this Service Bulletin is completed, make an entry in the aircraft log and send the attached Incorporation Notice to Bombardier Business Aircraft Customer Services (BBACS).
For information, correction(s), comments(s) and/or feedback regarding Service Bulletins released on the Customer Portal, please contact the Service Bulletin Group at the following email address:
bbad_SBgroup@aero.bombardier.com
3. MATERIAL INFORMATION A. Kits No kits required.
B. Parts The parts that follow are necessary to do this Service Bulletin:
MODEL BD−100−1A10 (CH−350) Basic Issue: Oct 31/2018 Revision 02: Sep 30/2019 350−32−009 Page 7 of 10
NEW PART NO. QTY ITEM USED PARTNO. INSTRUCTIONS- DISPOSITION M83461−1−025 4 Packing Preformed, Hydraulic M83461−1−025 Discard MS24665−153 3 Pin, Cotter MS24665−134 Discard MS24665−300 2 Pin, Cotter MS24665−283 Discard NOTE: The part numbers for the items listed above are subject to change without revision to this Service Bulletin. In case of discrepancy between this list and any other list, the Illustrated Parts Catalog prevails and shall be used to determine the latest part number.
C. Material The materials that follow, or equivalent, are necessary to do this Service Bulletin.
These can be purchased from a local supplier. Bombardier Aerospace does not pay for these consumable.
DESCRIPTION PARTNO./NAME SPECIFICATION QUANTITY
SUPPLIER (SEE NOTE) Fluid, Hydraulic, Phosphate Ester Fire−Resistant − HYJET IV−A Plus Skydrol LD−4 Skydrol 500B−4 BAMS 564−003 Type IV As Necessary Code: A Grease, Aircraft and Instrument, Gear and Actuator Screw Aeroshell 33 MIL−PRF−23827CType I As Necessary Code: B Compound, Sealing, Pressure and Environmental, Non Chromate AC−735 BAMS 552−008Class B As Necessary Code: C MODEL BD−100−1A10 (CH−350) Basic Issue: Oct 31/2018 Revision 02: Sep 30/2019 350−32−009 Page 8 of 10
DESCRIPTION PARTNO./NAME SPECIFICATION QUANTITY
SUPPLIER (SEE NOTE) Compound, Sealing, Pressure and Environmental, Non Chromate MC−780 BAMS 552−008Class B As Necessary Code: D Compound, Corrosion Inhibitor Cor−Ban 27L − As Necessary Code: E Compound, Sealing − MIL−PRF−81733Type I or Type II As Necessary Code: E Compound, Sealing and Coating, Corrosion Inhibitive − MIL−PRF−81733 As Necessary Code: E Grease, Long − Term Lubrication Molykote DX Dow Corning − As Necessary Code: E Lockwire MS20995C32 CRES 0.032 in(0.81 mm) As Necessary Code: E Valve Lubricant and Sealant Dow Corning 111 − As Necessary Code: E NOTES: 1. Refer to the table that follows for each suppliers address listed by codes.
2. The Curing Time (CT), if applicable, for each consumable material is indicated with the description of each product.
3. At time of release of this Service Bulletin, the information on the supplier was valid and accurate. In the event that this information has changed, the operator is encouraged to use the World Wide Web to find a local supplier.
MODEL BD−100−1A10 (CH−350) Basic Issue: Oct 31/2018 Revision 02: Sep 30/2019 350−32−009 Page 9 of 10
SUPPLIERS ADDRESSES BY CODES Code: A Solutia Inc.
J.F. Queeny Plant 201 Russel Blvd.
St−Louis, MO, 63104 U.S.A.
Tel.: 1−800−426−7022 www.solutia.com Code: B Shell Canada Limited 400 4th Avenue S.W.
Calgary, Alberta Canada, T2P 0J4 Tel.: 1−877−656−3111 www.shell.ca Code: C 3M 7341 Anaconda Ave.
Garden Grove, CA U.S.A. 92841 Tel.:
www.3M.com Code: D Chemetall GmbH Innerstetal 2, Langelsheim, 03, DE 38685 Tel.: 1−877−656−3111 www.shell.ca Code: E Commercially Available D. Publications No publications required.
MODEL BD−100−1A10 (CH−350) Basic Issue: Oct 31/2018 Revision 02: Sep 30/2019 350−32−009 Page 10 of 10