Bombardier Service Bulletin 700-32-6507

Discard the Basic Issue of this Service Bulletin dated Nov 24/2022 and replace in its entirety with this Revision 01.

Service Bulletin No. 700−32−6507 Date of Basic Issue Nov 24/2022 Revision No. 01 Dated Dec 07/2022 This revision has no effect for aircraft on which the Basic Issue 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. Change, in Paragraph 1. and Paragraph 1.G., to revise dedicated schedule statements as per latest template.

2. Change, in Paragraph 1.G. and Paragraph 3.B., to add BA part numbers.

3. Make miscellaneous minor changes, as necessary, with no change of context.

SERVICE BULLETIN MODEL BD−700−1A10 (BD−700) 700−32−6507 Page 1 of 1

REVISION TRANSMITTAL SHEET

MODIFICATION – NOSEWHEEL-STEERING CONTROL SYSTEM –

REPLACEMENT OF THE STEERING SOLENOID VALVE 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. 9861, 9872, and 60001 to 60063 MANPOWER: 4 man−hours

CONTINUED AIRWORTHINESS (CAW)

FLEET CAMPAIGN YES NO TLMC, CH 5 AFFECTED NOYES KITS and/or PARTS YES NO

TOOLING/GSE YES NO

PLANNING INFORMATION NOYES

DEDICATED SCHEDULE YES NO 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, please call Bombardier Aviation Parts Services at:

514−855−2999 or 1−866−538−1247

SERVICE BULLETIN SUMMARY my.businessaircraft.bombardier.com MODEL BD−700−1A10 (BD−700) ATA 32−51

LANDING GEAR Basic Issue: Nov 24/2022 Revision 01: Dec 07/2022 700−32−6507 Page 1 of 1 This Service Bulletin is available at:

MODIFICATION – NOSEWHEEL-STEERING CONTROL SYSTEM –

REPLACEMENT OF THE STEERING SOLENOID VALVE

1. PLANNING INFORMATION NOTES:1 . Before you do this Service Bulletin, examine all STC, STA or equivalent action changes to make sure that this Service Bulletin can be completed.

2. This Service Bulletin is covered by a dedicated schedule. Dedicated schedules are used to reserve and manage inventory due to limited availability of rotable stock, parts and/or kits. Parts are limited, therefore, advance part scheduling with our In−Service Implementation Team (ISIT) is recommended prior to a maintenance visit. They can be reached at bacs_isit@aero.bombardier.com. The parts will be allocated on a first come first serve basis.

Should you require additional information, please contact your Regional Sales Manager (RM) or Field Service Representative (FSR).

For more information on dedicated schedules, refer to SB 700−00−6502.

A. Effectivity BD−700−1A10 aircraft, Serial No. 9861, 9872, and 60001 to 60063.

All other subsequent BD−700−1A10 aircraft are scheduled for the modification in production (Ref.: Modification Summaries 700T02633, 700T901638 and 700T901640).

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 Aviation Service Bulletin(s).

SERVICE BULLETIN my.businessaircraft.bombardier.com MODEL BD−700−1A10 (BD−700) ATA 32−51

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.

 2022 Bombardier Inc. All rights reserved Learjet, Challenger, Global, are registered trademarks of Bombardier Inc. or its subsidiaries.

Basic Issue: Nov 24/2022 Revision 01: Dec 07/2022 700−32−6507 Page 1 of 8 This Service Bulletin is available at:

B. Reason

1. Condition:

The current steering solenoid valve, Part No. GW415−6275−1 (Safran 23600−101) has been found to show slow de−activation times in some conditions.

2. Objective/Benefit:

This Service Bulletin introduces to replace the steering solenoid valve which will improve the response time.

C. Description This Service Bulletin gives instructions to:

− Replace the steering solenoid valve as per Safran Service Bulletin No.

SB700−32−046, and − Do the operational test of the nosewheel−steering control system.

D. Compliance Specified Time Compliance Recommended within 60 months from this Service Bulletin release date (Basic Issue).

NOTE: 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.

Standard SRPSA fees may apply. Refer to the Services section of the Bombardier customer portal for the latest prices, rates and fees.

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−700−1A10 (BD−700) Basic Issue: Nov 24/2022 Revision 01: Dec 07/2022 700−32−6507 Page 2 of 8

F. Manpower NOTE: The man−hours given are to help you schedule the tasks given in this Service 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 700−00−6502.

4 man−hours are necessary to do this modification.

The labor required to do this Service Bulletin is at no cost if:

− the work is done during new aircraft warranty period, and − the work is done at Bombardier Business Aviation Services (BBAS) or Authorized Service Facilities (ASF), and − this Service Bulletin is scheduled in less than 60 months from its release date (Basic Issue).

G. Material − Cost and Availability No kit is necessary to do this modification. For material data refer to Paragraph 3.C.

The part listed in Paragraph 3.B. is necessary to do this modification.

The part is available at no cost if:

− a no−charge purchase order is sent to Bombardier Aviation in less than 60 months from this Service Bulletin release date (Basic Issue).

This Service Bulletin is covered by a dedicated schedule. Dedicated schedules are used to reserve and manage inventory due to limited availability of rotable stock, parts and/or kits. Parts are limited, therefore, advance part scheduling with our In−Service Implementation Team (ISIT) is recommended prior to a maintenance visit. They can be reached at bacs_isit@aero.bombardier.com. The parts will be allocated on a first come first serve basis.

Should you require additional information, please contact your Regional Sales Manager (RM) or Field Service Representative (FSR).

For more information on dedicated schedules, refer to SB 700−00−6502.

Send the removed steering solenoid valve, Part No. GW415−6275−1 (Safran 23600−101) to either of the addresses shown below in exchange for a new steering solenoid valve, Part No. GW415−6275−3 (Safran 23600−103).

Learjet Inc. − Core Returns 251−A Wille Road Des Plaines, Illinois 60018−1861 USA MODEL BD−700−1A10 (BD−700) Basic Issue: Nov 24/2022 Revision 01: Dec 07/2022 700−32−6507 Page 3 of 8

or Distribution Centre Frankfurt − Core Returns Bombardier Aviation Company GmbH Hans−Boeckler−Strasse 9 GROSS−GERAU Hesse 64521 Germany Refer to your Material Return Authorization (MRA) form to find the applicable return address.

NOTE: Bombardier Aviation is maintaining a rotable pool of replacement steering solenoid valve, to be supplied to the operators under the terms and conditions given below:

The removed steering solenoid valve, Part No. GW415−6275−1 (Safran 23600−101) must be returned to Bombardier Aviation, Parts Services in less than 10 days of receipt of replacement unit, with documentation showing the serial number of the aircraft.

If the removed steering solenoid valve, Part No. GW415−6275−1 (Safran 23600−101) is not returned in less than 10 days, the operator will be charged for the replacement unit.

For all parts transactions, Bombardier Aviation’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 Smart Parts does not pay for this recommended Service Bulletin at any time.

H. Tooling The equipment and tools listed below are necessary to do this modification:

GSE REFERENCE NO. PART NO. DESCRIPTION Commercially Available − Wrench, Torque 17.92 to23.33 lbf ft (24.30 to 31.63 Nm) Commercially Available − Wrench, Torque 20 to 25 lbf in(2.26 to 2.82 Nm) Commercially Available − Wrench, Torque 133 to 147 lbf in(15.03 to 16.60 Nm) MODEL BD−700−1A10 (BD−700) Basic Issue: Nov 24/2022 Revision 01: Dec 07/2022 700−32−6507 Page 4 of 8

GSE REFERENCE NO. PART NO. DESCRIPTION Commercially Available − Wrench, Torque 135 to 190 lbf in(15.26 to 21.46 Nm) NOTES: 1. Refer to the Global 6500 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 G6500, for acceptable GSE equivalents.

3. This list is provided for quick reference. In case of discrepancy between this list and the tools called in the SPM, WM, Chapter 20, then the tools called in the SPM, WM prevail. Other approved alternative tools are acceptable and can also be used.

I. Weight and Balance No change.

J. Electrical Load Data No change.

K. References − TCCA Airworthiness Directive, (pending).

− FAA Airworthiness Directive, (pending).

− Bombardier Aviation, Modification Summary, 700T02633, Rev. A.

− Bombardier Aviation, Modification Summary, 700T901638, Rev. A.

− Bombardier Aviation, Modification Summary, 700T901640, Rev. A.

− Safran Landing Systems, Service Bulletin No. SB700−32−046 (attached).

− Global 6500 BD−700 Aircraft Maintenance Manual (AMM), Chapters 6, 24, 29, 32 and 52.

L. Other Publications Affected − Global 6500 BD−700 Aircraft Illustrated Parts Catalog (AIPC), Chapter 32.

M. Equivalent Service Bulletins − For the Global Express and Global Express XRS BD−700−1A10 aircraft, use SB 700−32−044.

− For the Global 5000 BD−700−1A11 aircraft, use SB 700−1A11−32−031.

− For the Global 5000 BD−700−1A11 Featuring Global Vision Flight Deck aircraft, use SB 700−32−5021.

− For the Global 6000 BD−700−1A10 aircraft, use SB 700−32−6021.

MODEL BD−700−1A10 (BD−700) Basic Issue: Nov 24/2022 Revision 01: Dec 07/2022 700−32−6507 Page 5 of 8

− For the Global 5500 BD−700−1A11 aircraft, use SB 700−32−5507.

2. ACCOMPLISHMENT INSTRUCTIONS NOTES: 1. All TASKs given in the procedures that follow are from the Global 6500 BD−700−1A10 Aircraft Maintenance Manual (AMM) unless otherwise specified.

2. All references made to zones, access panels and/or doors, are from the Global 6500 BD−700−1A10 Aircraft Maintenance Manual (AMM), Chapter 6.

A. Aircraft Setup

(1) Obey all electrical/electronic safety precautions. Refer to AMM 24−00−00−910−801.

(2) Obey all hydraulic safety precautions. Refer to AMM 29−00−00−910−801.

(3) Obey all hydraulic technical precautions. Refer to AMM 29−00−00−910−802.

(4) Obey all the landing gear safety precautions. Refer to AMM 32−00−00−910−801.

(5) In the flight compartment, on the EMS CDU, set the circuit breakers that follow to LOCKED. Refer to AMM 24−00−00−863−801.

SYSTEM NAME CIRCUIT BREAKER NAME

BUS NAME LDG GEAR NOSE STEER PWR 1 DC 1 LDG GEAR NOSE STEER PWR 2 DC 2

(6) Remove the lower nose−compartment panel (121AL). Refer to AMM 52−45−01−000−801.

B. Modification — Replacement of the Steering Solenoid Valve 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 approved disposition to complete this Service Bulletin.

(1) Do the modification as per Safran Landing Systems, Service Bulletin No.

SB700−32−046.

C. Testing

(1) In the flight compartment, on the EMS CDU, set the circuit breakers that follow to IN. Refer to AMM 24−00−00−863−802.

MODEL BD−700−1A10 (BD−700) Basic Issue: Nov 24/2022 Revision 01: Dec 07/2022 700−32−6507 Page 6 of 8

SYSTEM NAME CIRCUIT BREAKER NAME

BUS NAME LDG GEAR NOSE STEER PWR 1 DC 1 LDG GEAR NOSE STEER PWR 2 DC 2

(2) Do the operational test of the nosewheel−steering control system. Refer to AMM 32−51−01−710−801.

D. Close−out

(1) Install the lower nose−compartment panel (121AL). Refer to AMM 52−45−01−400−801.

(2) Remove all tools, equipment and unwanted materials from the aircraft.

E. 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), comment(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. Kit No kits required.

B. Parts The part that follows is necessary to do this Service Bulletin and is available from Bombardier Aviation Parts Services, Montreal:

MODEL BD−700−1A10 (BD−700) Basic Issue: Nov 24/2022 Revision 01: Dec 07/2022 700−32−6507 Page 7 of 8

NEW PART NO. QTY ITEM USED PART NO. INSTRUCTIONS -DISPOSITION GW415−6275−3 (Safran 23600−103) 1 Steering Solenoid Valve GW415−6275−1 (Safran 23600−101) Return to Bombardier for replacement. Refer to Paragraph 1.G.

NOTE: The part number for the item listed above is 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, may be necessary to do this Service Bulletin. These can be purchased from a local supplier. Bombardier Aviation does not pay for these consumables.

DESCRIPTION PARTNO./NAME SPECIFICATION QUANTITY SUPPLIER(SEE NOTE) Fluid, Hydraulic, Phosphate Ester Fire−Resistant Skydrol LD−4 HYJET IV−A Plus − As Necessary Code: A NOTES: 1. Refer to the table that follows for each suppliers address listed by codes.

2. 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.

SUPPLIER ADDRESS BY CODE Code: A Tempo Paint and Varnish Co.

205 Fenmar Dr.

Weston, Ontario M9L 2X4 Canada Tel.: (416) 746−2233 D. Publications No publications required.

MODEL BD−700−1A10 (BD−700) Basic Issue: Nov 24/2022 Revision 01: Dec 07/2022 700−32−6507 Page 8 of 8

700−32−6507 Rev. 01 Dec 07/2022 MODIFICATION – NOSEWHEEL−STEERING CONTROL SYSTEM –

REPLACEMENT OF THE STEERING SOLENOID VALVE bbad_SBgroup@aero.bombardier.com NOTE: Please use Salesforce only for troubleshooting issues or when Engineering deviation is necessary to accomplish the Service Bulletin modification.

SERVICE BULLETIN EVALUATION FORM (Your ideas will help us provide better bulletins) SERVICE BULLETIN: ISSUE: DATED:

TITLE:

For any information, correction(s), comment(s) and/or feedback regarding Service Bulletins released on the Customer Portal, please contact the Service Bulletin Group at the following email address:

SERVICE BULLETIN INCORPORATION SHEET − "700−32−6507" Upon completion of the Service Bulletin, please fill−in, fax to

(514) 855−8798 or e−mail to Fracas at fracas.montreal@aero.bombardier.com If you’re reporting Service Bulletin (SB) Incorporations to CAMP, sending this Incorporation Sheet to Bombardier is not mandatory. If your aircraft is on another tracking system, please contact Bombardier to make arrangements for automated data submission.

700−32−6507 01

COMPLIED WITH

YES NO N/A Actual hours to accomplish Service Bulletin:

* NOTES:

Aircraft Serial No. Aircraft Reg. No.

Airframe Hours: Airframe Landings S.B. Incorporation Date Service Order No.

Facility incorporating S.B.

Name Signature Date

BOMBARDIER

SUBMISSION Service Bulletin Number Rev. * Parts Completed Remarks/Reason (Mandatory if N/A)

1. Where the Service Bulletin is divided into a number of parts (e.g., PARTS A, B, C, D, etc.) which can be carried out separately, indicate only those parts completed at this time.

2. For repetitive checks (usually PART A) only the initial check should be reported unless otherwise stated in the Service Bulletin.

3. When more than one part is carried out at the same time, each part should be reported.

4. Fill in ’Remark/Reason’ to explain compliance method when N/A is selected.(E.g. Part not installed, N/A by effectivity, N/A by Part Serial Number, etc.

5. PCW means ’Previously Complied With’.

(dd/mm/yy) Signature not required if sent by E−Mail (dd/mm/yy)