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SPECIAL CHECK/MODIFICATION - EMERGENCY AC-POWER SUPPLY -
REPLACEMENT OF THE RAM AIR TURBINE (RAT) DEPLOYMENT ACTUATOR PART NO. BZ02001-01 (GL456-1301-1) 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: See Paragraph 1.A MANPOWER: Refer to Paragraph 1.F.
CONTINUED AIRWORTHINESS (CAW)
FLEET CAMPAIGN NOYES 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 YES NO PREREQUISITE SERVICE BULLETINS: N/A NOTE: This Service Bulletin will 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−700−1A10 (BD−700) ATA 24−23
ELECTRICAL POWER Basic Issue: Feb 22/2019 700−24−090 Page 1 of 1 This Service Bulletin is available at:
SPECIAL CHECK/MODIFICATION - EMERGENCY AC-POWER SUPPLY -
REPLACEMENT OF THE RAM AIR TURBINE (RAT) DEPLOYMENT ACTUATOR PART NO. BZ02001-01 (GL456-1301-1)
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 also applicable for RAT Deployment Actuator, Part No. BZ02001−01 (GL456−1301−1) in the operator’s stock room.
3. Do Part A within 36 months from Service Bulletin Release Date (Basic Issue). If necessary, do Part B within 36 months from Service Bulletin Release Date (Basic Issue).
4. Part B (Modification) of 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.
Please contact your Regional Manager (RM), Field Service Representative (FSR) or Customer Service Representative (CSR) to schedule your aircraft as there is a limited availability. The parts will be allocated on a first come first serve basis.
SERVICE BULLETIN my.businessaircraft.bombardier.com MODEL BD−700−1A10 (BD−700) ATA 24−23
ELECTRICAL POWER 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.
2019 Bombardier Inc. All rights reserved Learjet, Challenger, Global, are registered trademarks of Bombardier Inc. or its subsidiaries.
Basic Issue: Feb 22/2019 700−24−090 Page 1 of 11 This Service Bulletin is available at:
A. Effectivity BD−700−1A10 aircraft, Serial No.9002 to 9312, 9314 to 9380 and 9384 to 9429 with RAT Deployment Actuator, Part No. BZ02001−01 (GL456−1301−1) with the serial numbers listed in Table 1 of Paragraph 1.A. (b) of the attached VSB No.
24−03.
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:
During an in−flight deployment test, the RAT did not fully extend. After it was stowed successfully, a second deployment was attempted but it still did not fully extend. Apart from this single occurrence, there have been no other in−service events reported to date to Bombardier.
2. Evidence:
After investigation by the supplier it was discovered that galling of the piston rod created mechanical interference that caused the piston rod to not move freely within the bore of the gland housing. This is what prevented the RAT to fully extend.
3. Objective/Benefit:
This Service Bulletin gives instructions to install an upgraded RAT Deployment Actuator that will prevent galling between the piston rod and the gland housing since it now contains a non−metallic sleeve assembled into the bore of the gland housing. This improves the reliability of the component.
C. Description This Service Bulletin gives instructions in PART A to:
− Inspect the RAT Deployment Actuator to get the serial number.
This Service Bulletin gives instructions in PART B to:
− Remove the RAT Deployment Actuator, − Return the removed RAT Deployment Actuator for an upgraded unit, − Install the upgraded RAT Deployment Actuator, and − Do the necessary tests as required to make sure that the system operate(s) correctly.
MODEL BD−700−1A10 (BD−700) Basic Issue: Feb 22/2019 700−24−090 Page 2 of 11
D. Compliance Part A and Part B (if required) recommended within 36 months from Service Bulletin release date (Basic Issue).
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.
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.
F. Manpower NOTES: 1. 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 700−00−002.
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.
3. Labor hours are based on the fact that the modification will be done at the next scheduled maintenance task or inspection. Therefore no man−hours are allotted to prepare the aircraft for maintenance or to prepare for this Service Bulletin.
0.5 man−hours are necessary to do PART A of this Service Bulletin.
Bombardier Aerospace does not pay for the labor to do PART A of this Service Bulletin.
5.0 man−hours are necessary to do PART B of this Service Bulletin.
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 MODEL BD−700−1A10 (BD−700) Basic Issue: Feb 22/2019 700−24−090 Page 3 of 11
− this Service Bulletin is scheduled before 36 months from Service Bulletin released 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 RAT Deployment Actuator, Part No. BZ02001−01 (GL456−1301−1) in Paragraph 3.B. is necessary to do PART B of this modification.
The RAT Deployment Actuator, Part No. BZ02001−01 (GL456−1301−1) is available at no cost if:
− a no−charge purchase order is sent to Bombardier Aerospace Parts Services, Montreal in less than 36 months from this Service Bulletin release date (Basic Issue).
Send RAT Deployment Actuator, Part No. BZ02001−01 (GL456−1301−1) for upgrade to Bombardier Aerospace at one of the two addresses given below:
Learjet Inc − Core Returns 251−A Wille Road Des Plaines, Illinois 60018−1861 U.S.A or Distribution Centre Frankfurt − Core Returns Bombardier Aerospace Germany 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 Aerospace is maintaining a rotable pool of replacement RAT Deployment Actuator, to be supplied to the operators under the terms and conditions given below:
The removed RAT Deployment Actuator BZ02001−01 (GL456−1301−1) 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 RAT Deployment Actuator BZ02001−01 (GL456−1301−1) is not returned in less than 10 days, the operator will be charged for the replacement unit.
MODEL BD−700−1A10 (BD−700) Basic Issue: Feb 22/2019 700−24−090 Page 4 of 11
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 part.
Part B of 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. Please contact your Regional Manager (RM), Field Service Representative (FSR) or Customer Service Representative (CSR) to schedule your aircraft as there is a limited availability. The parts will be allocated on a first come first serve basis.
H. Tooling The equipment and tools listed below are necessary to do this modification:
GSE REFERENCE NO. PART NO. DESCRIPTION GSE 10X−12−18 763485 Cover − RAT Blades GSE 24X−23−02 83740162 Tool, RAT Actuator Travel Measuring − Commercially Available Container, Hydraulic Fluid − Commercially Available Torque Wrench 10.84 to
14.60 lbf ft (14.7 to 19.8 Nm) − Commercially Available Torque Wrench 19.58 to
21.25 lbf ft (26.55 to
28.81 Nm) − Commercially Available Torque Wrench 20.00 to
24.16 lbf ft (27.12 to
32.76 Nm) MODEL BD−700−1A10 (BD−700) Basic Issue: Feb 22/2019 700−24−090 Page 5 of 11
GSE REFERENCE NO. PART NO. DESCRIPTION − Commercially Available Grease Gun (Non−Pneumatic) NOTES: 1. Refer to the Global Express or Global Express XRS, 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 BD700 or BD700 XRS, 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 − SAFRAN, Service Bulletin 24−03 (Attached).
− TCCA Airworthiness Directive (pending).
− UTC Aerospace Systems Service Bulletin No. ERPS11A−24−1 (Attached).
− Global Express BD−700 Aircraft Maintenance Manual (AMM), Chapters 6, 12, 24 and 29.
− Global Express XRS BD−700 Aircraft Maintenance Manual (AMM), Chapters 6, 12, 24 and 29.
− Bombardier Aerospace, Standard Practices Manual (SPM), Chapter 51.
L. Other Publications Affected None.
M. Equivalent Service Bulletin − For the Global 5000 BD−700−1A11 aircraft, use SB 700−1A11−24−029.
− For the Global 6000 BD−700−1A10 aircraft, use SB 700−24−6015.
− For the Global 5000 BD−700−1A11 Featuring Global Vision Flight Deck aircraft, use SB 700−24−5015.
MODEL BD−700−1A10 (BD−700) Basic Issue: Feb 22/2019 700−24−090 Page 6 of 11
2. ACCOMPLISHMENT INSTRUCTIONS NOTES: 1. All TASKs given in the procedures that follow are from the Global Express or Global Express XRS BD−700, Aircraft Maintenance Manual (AMM) unless otherwise specified.
2. All references made to zones, access panels and/or doors, are from the Global Express or Global Express XRS BD−700, Aircraft Maintenance Manual (AMM), 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 the hydraulic safety precautions. Refer to AMM 29−00−00−910−801.
(2) Obey all the hydraulic technical precautions. Refer to AMM 29−00−00−910−802.
(3) Obey all the electrical/electronic safety precautions. Refer to AMM 24−00−00−910−801.
(4) Set the circuit breakers that follow to out (on aircraft pre Service Bulletin 700−24−045) or LOCKED (on aircraft, Serial No. 9123 and subsequent or post Service Bulletin 700−24−045) Refer to AMM 24−00−00−863−801.
SYSTEM NAME CIRCUIT BREAKER NAME
BUS NAME
ELEC RAT DEPLOY BATT ELEC RAT GEN HEAT DC 1
(5) Install a warning placard on the RAT manual release lever to make sure the lever is not used.
(6) Open the forward equipment compartment door (212AR).
B. Part A − Special Check
(1) Do the manual extension of the RAT. Refer to AMM 24−23−01−840−801.
(2) Examine the RAT Deployment Actuator, Part Number BZ02001−01 (GL456−1301−1) nameplate to get the serial number. Record the serial number.
NOTE: Make sure to examine the UTAS, Part No. 762830. If the part number is followed by the suffix “A”, go to Paragraph 2.E.
(3) If the RAT Deployment Actuator, Part Number BZ02001−01 (GL456−1301−1) serial number is shown in Table 1 of the attached VSB No. ERPS11A−24−1, go to Paragraph 2.C.
MODEL BD−700−1A10 (BD−700) Basic Issue: Feb 22/2019 700−24−090 Page 7 of 11
(4) If the RAT Deployment Actuator, Part Number BZ02001−01 (GL456−1301−1) serial number is shown in Table 2 of the attached VSB No ERPS11A−24−1 or the serial number is 0275 or subsequent, retract the RAT Deployment Actuator. Refer to AMM 24−23−01−840−803. Go to Paragraph 2.E.
C. Part 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 RAT Deployment Actuator, Part Number BZ02001−01 (GL456−1301−1). Refer to AMM 24−23−09−000−801.
(2) Return the RAT Deployment Actuator, Part Number BZ02001−01 (GL456−1301−1) to the address shown in Paragraph 1.G. and install the upgraded RAT Deployment Actuator, Part Number BZ02001−01 (GL456−1301−1). Refer to AMM 24−23−09−400−801.
(3) Go to Paragraph 2.D.
D. Testing
(1) Do an electrical bonding test of the RAT Deployment Actuator. Refer to SPM−MM 51−80−00−760−801.
(2) Retract the RAT Deployment Actuator. Refer to AMM 24−23−01−840−803.
(3) Do a quantity check of the hydraulic fluid in the retraction pump. Refer to AMM 12−12−05−210−801.
(4) Do an operational test of the RAT Deployment Actuator as follows;
(a) Do the manual extension of the RAT Deployment Actuator. Refer to AMM 24−23−01−840−801.
(b) Do the retraction of the RAT Deployment Actuator. Refer to AMM 24−23−01−840−803.
E. 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.
(1) Remove the warning placard from the manual release lever.
(2) In the flight compartment, on the ELECTRICAL control panel, set the BATT MASTER switch to ON.
(3) In the flight compartment, on the EMS CDU, set the circuit breakers that follow to IN.
MODEL BD−700−1A10 (BD−700) Basic Issue: Feb 22/2019 700−24−090 Page 8 of 11
SYSTEM NAME CIRCUIT BREAKER NAME
BUS NAME
ELEC RAT DEPLOY BATT ELEC RAT GEN HEAT DC 1
(4) In the flight compartment, on the ELECTRICAL control panel, set the BATT MASTER switch to OFF.
(5) Remove all tools, equipment and unwanted materials from the aircraft.
(6) Close the forward equipment compartment door (212AR).
F. Recording When any PART of 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).
In an effort to improve the quality of our technical communications, we are requesting your feedback. Please take a moment to fill out our easy on−line Service Bulletin survey:
http://csefeedback.aero.bombardier.com
3. MATERIAL INFORMATION A. Kit No kits required.
B. Parts The part that follows is necessary to do PART B of this Service Bulletin and is available from Bombardier Aerospace Parts Services, Montreal:
NEW PART NO. QTY ITEM USED PART NO.
INSTRUCTIONS
- DISPOSITION BZ02001−01 (GL456−1301−1) 1 Actuator, RAT Deployment BZ02001−01 (GL456−1301−1) Refer to Paragraph 1.G.
MS14144L7 (See Note 2) 1 Nut, Self−Lkg, Cstl MS14144L7 − MS14145−8 (See Note 2) 1 Nut, Self−Lkg, Cstl MS14145−8 − MODEL BD−700−1A10 (BD−700) Basic Issue: Feb 22/2019 700−24−090 Page 9 of 11
NEW PART NO. QTY ITEM USED PART NO.
INSTRUCTIONS
- DISPOSITION MS24665−302 2 Pin, Cotter MS24665−302 − 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.
2. The nut is only to be replaced if the self−locking feature is no longer effective.
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 consumables.
DESCRIPTION PART NO./NAME
SPECIFICATION QUANTITY SUPPLIER (SEE NOTE) Compound, Corrosion Inhibitor Mastinox 6856K or CA 1000 BAMS 552−010 As Necessary Code: A Fluid, Hydraulic, Phosphate Ester Fire−Resistant HYJET IV−A Plus or Skydrol LD−4 BAMS 564−003 As Necessary Code: A Grease, Molybdenum Disulfide Syn−Tech NS−5806−G − 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.
MODEL BD−700−1A10 (BD−700) Basic Issue: Feb 22/2019 700−24−090 Page 10 of 11
SUPPLIERS ADDRESSES BY CODES Code: A Commercially Available D. Publications No publications required.
MODEL BD−700−1A10 (BD−700) Basic Issue: Feb 22/2019 700−24−090 Page 11 of 11