Bombardier Service Bulletin 100-27-15

Discard the Basic issue of this Service Bulletin dated Dec 21/2011, and the Information Sheet dated Jan 31/2012, and replace in its entirety with this Revision 01.Service Bulletin No.

100−27−15 Date of Basic Issue Dec 01/2011 Revision No. 01 Dated Jun 11/2019 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. Update the Service Bulletin to reflect the latest template.

2. Revise, in the Service Bulletin Summary Sheet and Paragraph 1.D., the Compliance Time to Within 126 flight−hours or prior to Aug 31, 2019.

3. Revise, in the Service Bulletin Summary Sheet, the Continued Airworthiness Fleet Campaign column added as per the latest template.

4. Add, in Paragraph 1.A., the HSTECU part number C47329−003, C47329−004, C47329−005 and C47329−006.

5. Revise, in Paragraph 1.G., to add a new Note.

6. Revise, in Paragraph 1.H., Note 3 as per the Information Sheet.

7. Add, in Paragraph 1.K., the Restriction and/or Special Instruction (RSI) C−100−000−27−0312, Rev. −− .

8. Add, in Paragraph 2.B.(1), step to verify the HSTECU part number installed.

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

SERVICE BULLETIN MODEL BD−100−1A10 (CH−300) 100−27−15 Page 1 of 1

REVISION TRANSMITTAL SHEET

MODIFICATION — PITCH TRIM SYSTEM — UPGRADE OF THE HORIZONTAL

STABILIZER TRIM ELECTRONIC CONTROL UNIT (HSTECU) 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 Within 126 flight−hours or prior to Aug 31, 2019, whichever comes first from this Service Bulletin release date (Revision

01).

EFFECTIVITY: A/C Serial No. 20001 to 20337 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: See important information at the start of Paragraph 1. YES NO

DEDICATED SCHEDULE NOYES PREREQUISITE SERVICE BULLETINS: N/A 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−300) ATA 27−41

FLIGHT CONTROLS Basic Issue: Dec 01/2011 Revision 01: Jun 11/2019 100−27−15 Page 1 of 1 This Service Bulletin is available at:

MODIFICATION — PITCH TRIM SYSTEM — UPGRADE OF THE HORIZONTAL

STABILIZER TRIM ELECTRONIC CONTROL UNIT (HSTECU)

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. No further flight is permitted on aircraft that have not implemented SB 100−27−15 (Revision 01) after the accumulation of 126 flight hours from the release date of the updated Service Bulletin or after August 31, 2019, whichever comes first.

A. Effectivity BD−100−1A10 aircraft, Serial No. 20001 to 20337. Equipped with HSTECU Part No. C47329−003, C47329−004, C47329−005 and C47329−006.

All other subsequent BD−100−1A10 aircraft are scheduled for the modification in production (Ref.: Modification Summary 100T010579).

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 One of the many tasks performed by the Horizontal Stabilizer Trim Electronic Control Unit (HSTECU) is a pre−flight test of the Rudder Travel Limiter and HSTA brakes. The brake portion of this test is intended to verify that the brakes are not failed open. It has been uncovered that, under certain conditions, a failed HSTA brake could go undetected.

SERVICE BULLETIN my.businessaircraft.bombardier.com MODEL BD−100−1A10 (CH−300) ATA 27−41

FLIGHT CONTROLS 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.

 2011−2019 Bombardier Inc. All rights reserved Learjet, Challenger, Global, are registered trademarks of Bombardier Inc. or its subsidiaries.

Basic Issue: Dec 01/2011 Revision 01: Jun 11/2019 100−27−15 Page 1 of 8 This Service Bulletin is available at:

The software upgrade of the HSTECU eliminates the possibility that a faulty brake might go undetected.

This Service Bulletin provides authorization and instructions to upgrade the current configuration to a new upgraded configuration.

C. Description This Service Bulletin gives instructions to:

− Remove the HSTECU, − Upgrade the HSTECU software, − Upgrade the configuration number of the HSTECU, − Install the upgraded HSTECU, and − Do the necessary tests to make sure that the system operates correctly.

D. Compliance Recommended within 126 flight hours or prior to Aug 31, 2019, whichever comes first from this Service Bulletin release date (Revision 01).

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.

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 the JAA and by EASA under the Canada/EU bilateral Aviation Safety Agreement.

MODEL BD−100−1A10 (CH−300) Basic Issue: Dec 01/2011 Revision 01: Jun 11/2019 100−27−15 Page 2 of 8

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 100−00−02.

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.

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 at Bombardier Business Aviation Services (BBAS) or Authorized Service Facilities (ASF), and − this Service Bulletin is scheduled with in the compliance time.

G. Material − Cost and Availability No kit is necessary do this modification.

For parts necessary to do this modification on HSTECU, Part No. C47329−004, or C47329−005, or C47329−006, refer to Paragraph 3.B.

The parts are available at no cost if a no−charge purchase order is sent to Bombardier Aerospace with the compliance time.

For the HSTECU Part No. C47329−003, do as follows:

NOTE: Field Software upgrade can be done on configurations C47329−004, C47329−005, or C47329−006. No need to submit these configurations back for an exchange.

− Send the HSTECU, Part No. C47329−003, to the address shown below in exchange for an upgraded HSTECU Part No. C47329−010, C47329−011 or C47329−12:

Learjet Inc. − Core Returns 251−A Wille Road Des Plaines, Illinois 60018−1861 USA MODEL BD−100−1A10 (CH−300) Basic Issue: Dec 01/2011 Revision 01: Jun 11/2019 100−27−15 Page 3 of 8

or Distribution Centre Frankfurt − Core Returns Bombardier Aerospace Germany Gmb H 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 Aerospace is maintaining a rotable pool of replacement HSTECU, to be supplied to the operators under the terms and conditions given below:

− The removed HSTECU, Part No. C47329−003 must be returned to Bombardier Aerospace, Parts Services in less than 10 days of receipt of replacement unit, with documentation showing the serial number of the aircraft.

− If the removed HSTECU is not returned in less than 10 days, the operator will be charged for the replacement unit.

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 During or after the above free period, Smart Parts Plus does not pay for the parts.

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

GSE REFERENCE NO. PART NO. DESCRIPTION 24−00−24 S4933959−501 Tag, Circuit Breaker Commercially Available − Power Supply 28VDC 2A Commercially Available − Laptop with Windows 98/NT or XP and a RS−232 serial port See Note 3 CB01069−001 Wire Harness MODEL BD−100−1A10 (CH−300) Basic Issue: Dec 01/2011 Revision 01: Jun 11/2019 100−27−15 Page 4 of 8

GSE REFERENCE NO. PART NO. DESCRIPTION See Note 3 CB18575−002 Software, CD 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 equivalent.

3. List of BAS/ASF that will have the equipment available to complete this Service Bulletin.

− BAS Amsterdam − BAS Dallas − BAS Ft. Lauderdale − BAS Hartford − BAS Tucson − BAS Wichita − ASF Aero−Dienst, Nuremburg Germany − ASF Jet Aviation Bassel, Switzerland − ASF Lufthansa Bombardier Aviation Services, Berlin Germany − ASF Ruag Aerospace Services, Wessling Germany I. Weight and Balance No change.

J. Electrical Load Data No change.

K. References − Bombardier Aerospace, Modification Summary, 100T010579, Rev. B.

− Bombardier Aerospace, Modification Summary, BB100T010579, Rev. C.

− Bombardier Aerospace, Restriction and/or Special Instruction (RSI), C−100−000−27−0312, Rev. −−.

− Bombardier Aerospace, Kit Drawing K1000070272, Rev. A.

− MOOG, Service Bulletin C47329−27−01 (attached).

− MOOG, Service Bulletin C47329−27−02 (attached).

− MOOG, Service Bulletin C47329−27−03 (attached).

− CH−300 Aircraft Maintenance Manual (AMM), Chapters 6, 24, and 27.

− CH−300 Standard Practice Manual (SPM), Chapter 20.

MODEL BD−100−1A10 (CH−300) Basic Issue: Dec 01/2011 Revision 01: Jun 11/2019 100−27−15 Page 5 of 8

L. Other Publications Affected None.

M. Equivalent Service Bulletin None.

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 electrostatic discharge safety precautions. Refer to AMM 24−00−00−910−802.

B. Modification NOTE: If it is not possible to complete all the instructions of 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) Verify HSTECU Part number installed. If HSTECU part number installed is not C47329−003, C47329−004, C47329−005 or C47329−006, no further action is necessary. Go to Close−out, Paragraph 2.C.

(2) Remove the HSTECU from the aircraft. Refer to AMM 27−41−21−000−801.

NOTE: The software upgrade procedure must be done with the HSTECU removed from the aircraft.

(3) Verify the HSTECU Part No., and do the upgrade as follows:

− For HSTECU Part No. C47329−003, refer to Paragraph 1.G.

NOTE: HSTECU Part No. C47329−003 is not field−upgradeable.

− For HSTECU Part No. C47329−004, use VSB C47329−27−01, − For HSTECU Part No. C47329−005, use VSB C47329−27−02, − For HSTECU Part No. C47329−006, use VSB C47329−27−03, MODEL BD−100−1A10 (CH−300) Basic Issue: Dec 01/2011 Revision 01: Jun 11/2019 100−27−15 Page 6 of 8

(4) Install the upgraded HSTECU. Refer to AMM 27−41−21−400−801.

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. Kit No kit is required.

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

NEW PART NO. QTY ITEM USED PARTNO. INSTRUCTIONS- DISPOSITION C47329−010 or C47329−011 or C47329−012 1 HSTECU C47329−003 Refer toParagraph 1.G.

CB15654−001 1 Name TagLabel − − CB15655−001 1 Name TagLabel − − MODEL BD−100−1A10 (CH−300) Basic Issue: Dec 01/2011 Revision 01: Jun 11/2019 100−27−15 Page 7 of 8

NEW PART NO. QTY ITEM USED PARTNO. INSTRUCTIONS- DISPOSITION CB15656−001 1 Name TagLabel − − NOTES: 1. 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 follows are necessary to do this Service Bulletin. These can be purchased from a local supplier. Bombardier Aerospace does not pay for these consumables.

DESCRIPTION PARTNO./NAME SPECIFICATION QUANTITY

SUPPLIER (SEE NOTE) Clear Coat Polyurethane − BAMS 565−002 As Necessary Code: A Isopropyl Alcohol − TT−I−735 As Necessary Code: A 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.

SUPPLIERS ADDRESSES BY CODES Code: A Commercially Available D. Publications No publications required.

MODEL BD−100−1A10 (CH−300) Basic Issue: Dec 01/2011 Revision 01: Jun 11/2019 100−27−15 Page 8 of 8

100−27−15 Rev. 01 Jun 11/2019 MODIFICATION — PITCH TRIM SYSTEM — UPGRADE OF THE

HORIZONTAL STABILIZER TRIM ELECTRONIC CONTROL UNIT (HSTECU) 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 − "100−27−15" 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.

100−27−15 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)