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A350
SERVICE BULLETIN REV 00 Jan 13/22 A350-71-P011 REV 01 Dec 20/22 Page 1
CONF ALL AIRBUS 2, ROND POINT EMILE DEWOITINE 31700 BLAGNAC FRANCE
The content of this document is the property of Airbus. All rights including copyrights are reserved.
It is supplied in confidence and commercial security on its contents must be maintained.
It must not be used for any purpose other than that for which it is supplied, nor may information contained in it be disclosed to unauthorized persons.
It must not be reproduced in whole or in part without permission in writing from the owners of the copyright. Requests for reproduction of any data in this document and the media authorized for it must be addressed to Airbus.
ATA SYSTEM: 71 TITLE: POWER PLANT - MOUNTS - FRONT MOUNT RETENTION BRACKET AND PYLON WASHER MODIFICATIONS ON ENGINE 1 (LH SIDE) MODIFICATION No.:
120016L85425
A350
SERVICE BULLETIN
REVISION TRANSMITTAL SHEET REV 00 Jan 13/22 A350-71-P011 REV 01 Dec 20/22 Page 2 ATA SYSTEM: 71 TITLE: POWER PLANT - MOUNTS - FRONT MOUNT RETENTION BRACKET AND PYLON WASHER MODIFICATIONS ON ENGINE 1 (LH SIDE)
REVISION TRANSMITTAL SHEET This page transmits Revision No. 01 of Service Bulletin No. A350-71-P011.
A. ADDITIONAL WORK No additional work is required by this revision.
B. REASON Revision No. 1 issued to:
- Update the MOD definition
- Split the Service Bulletin A350-71-P011 which is applicable only for LH side (Engine 1) and create a new Service Bulletin A350-71-P015 for RH side (Engine 2).
C. CHANGES
SERVICE BULLETIN SB Title SB title updated.
General RH T asks and all associated work steps are deleted.
SUMMARY MODIFICATIONS Modification number updated.
REASON Objective/Action paragraph updated.
APPLICABILITY Operators updated.
GENERAL OVERVIEW Fig.SA Sol.AA General Overview RH side information deleted.
PLANNING INFORMATION APPLICABILITY - New applicability notes added.
- Note updated for the MOD No. 112589L85268.
REASON Objective/Action paragraph updated.
DESCRIPTION T ask set A350-A-71-XX-P011- 01000-93AA-A Replacement of the Front Mount Lock Plate Assembly On Engine 1, LH side Title updated.
MANPOWER T ask set A350-A-71-XX-P011- 01000-93AA-A Replacement of the Front Mount Lock Plate Assembly On Engine 1, LH side
- Man-hours value for "Preparation for T est" updated.
- T otal Man-hours and elapsed time updated.
MATERIAL INFORMATION
LIST OF EXISTING PARTS Re-identified parts for task set A350-A-71-XX-P011- 01000-93AA-A Replacement Note updated to remove the FIN 5310EA2.
A350
SERVICE BULLETIN
REVISION TRANSMITTAL SHEET REV 00 Jan 13/22 A350-71-P011 REV 01 Dec 20/22 Page 3 of the Front Mount Lock Plate Assembly On Engine 1, LH side
ACCOMPLISHMENT INSTRUCTIONS T ask set A350-A-71-XX-P011-01000-93AA-A Replacement of the Front Mount Lock Plate Assembly On Engine 1, LH side
PROCEDURE A350-A-71-XX-P011- 01001-920A-A Modify the Front Mount Lock Plate Assembly on Engine 1 in Accordance with VSB Description updated for PN KH80219
PREPARATION FOR TEST A350-A-71-XX-P011- 04001-540A-A Preparation for T est
- Man-hours and elapsed time updated
- Procedural step updated to remove the FIN 4000EM2.
TEST A350-A-71-XX-P011- 01001-390A-A T est Procedural step updated to remove the FIN 4000EM2.
D. FILING INSTRUCTIONS This Service Bulletin has been generated electronically and is reissued as a complete document. Replace the complete document.
Put this Revision Transmittal Sheet in front of the Service Bulletin.
E. HISTORY OF PREVIOUS REVISIONS No previous revision F. REVISION SEQUENCE ORIGINAL: Jan 13/22 REVISION No. : 01 - Dec 20/22
A350
SERVICE BULLETIN
SUMMARY REV 00 Jan 13/22 A350-71-P011 REV 01 Dec 20/22 Page 4 ATA SYSTEM: 71 TITLE: POWER PLANT - MOUNTS - FRONT MOUNT RETENTION BRACKET AND PYLON WASHER MODIFICATIONS ON ENGINE 1 (LH SIDE)
SUMMARY This summary is for information only and is not approved for modification of the aircraft.
A. MODIFICATIONS
MODIFICATION CLASSIFICATION MAJOR None MINOR 120016L85425 NOTE: As per EASA IR 21, a minor change is one that has no appreciable effect on the mass, balance, structural strength, reliability, operational characteristics affecting the airworthiness of the product. All other changes are major changes.
B. REASON
(1) History The integrated washer on the front engine mount lockplate support bracket assembly can become detached during the assembly to the pylon.
(2) Objective/Action This Service Bulletin is published to advise all operators of A350 aircraft of the issue of Rolls Royce Service Bulletin No. TRENT XWB 71-J652.
This Service Bulletin introduces revised front engine mount lockplate support bracket assembly, lockplates and revised front and rear engine mount pylon bolts fitting instructions on engine 1 (LH side).
On engine 2 (RH side), introduction of revised front engine mount lockplate support bracket assembly, lockplates and revised front and rear engine mount pylon bolts fitting instructions is done by Service Bulletin A350-71-P015 Mod No. 120016L85424.
On production line, introduction of revised front engine mount lockplate support bracket assembly, lockplates and revised front and rear engine mount pylon bolts fitting instructions on engine 1 (LH side) and engine 2 (RH side) is done by Mod. No.
112589L85268.
NOTE: It is recommended to perform this Service Bulletin at the opportunity of an engine overhaul or engine replacement.
(3) Advantages The accomplishment of this Service Bulletin will prevent the detachment of the integrated washer on engine mount lockplate support bracket during assembly.
(4) Operational/Maintenance Consequences None C. GENERAL EVALUATION
EVALUATION TABLE
COMPLIANCE RECOMMENDED COST SAVING NO
A350
SERVICE BULLETIN
SUMMARY REV 00 Jan 13/22 A350-71-P011 REV 01 Dec 20/22 Page 5
EVALUATION TABLE
A/C OPERATION
AFFECTED
NO VENDOR SB YES
CANCELS INSPECTION SB NO ETOPS AFFECTED NO
PAX COMFORT AFFECTED NO POTENTIAL AD NO
RELIABILITY AFFECTED NO STRUCTURAL LIFE EXTENSION NO
LIFE LIMIT NO LINE MAINTENANCE AFFECTED NO NOTE: Service Bulletin recommended to be accomplished to prevent significant operational disruptions.
D. MAINTENANCE CONFIGURATION
MAINTENANCE CONFIGURATION
ENGINE REMOVED YES E. MATERIAL PRICE INFORMATION
(1) Replacement of the Front Mount Lock Plate Assembly on Engine 1, LH side
(a) T ask set A350-A-71-XX-P011-01000-93AA-A Replacement of the Front Mount Lock Plate Assembly On Engine 1, LH side No material F. APPLICABILITY This Service Bulletin is applicable to this (these) operator(s):
36V AAR AZU CAL CES CHH CPA CSC DAL DLH ETH FBU FIN FWI HVN MAS MAU QTR SIA THA G. CONCURRENT REQUIREMENTS None H. NATURE OF THE WORK
(1) Replacement of the Front Mount Lock Plate Assembly on Engine 1, LH side
(a) T ask set A350-A-71-XX-P011-01000-93AA-A Replacement of the Front Mount Lock Plate Assembly On Engine 1, LH side
AIRCRAFT NO
EQUIPMENT YES I. MANPOWER
(1) Replacement of the Front Mount Lock Plate Assembly on Engine 1, LH side
(a) T ask set A350-A-71-XX-P011-01000-93AA-A Replacement of the Front Mount Lock Plate Assembly On Engine 1, LH side
MANPOWER TOTAL MAN-HOURS 62.25 h ELAPSED TIME (HOURS) 13.75 h Additional man-hours related to Vendor SB; refer to:
A350
SERVICE BULLETIN
SUMMARY REV 00 Jan 13/22 A350-71-P011 REV 01 Dec 20/22 Page 6
MANPOWER Modify the Front Mount Lock Plate Assembly on Engine 1 in Accordance with VSB Ref. ROLLS ROYCE PLC (K0680) VSB TRENT XWB 71-J652
A350
SERVICE BULLETIN
SUMMARY Figure ICN-A350-A-71XXP011-A-FAPE3-0674V-A-003-01 Fig.SA Sol.AA SHEET 1/1 REV 00 Jan 13/22 A350-71-P011 REV 01 Dec 20/22 General Overview Page 7 J. GENERAL OVERVIEW
CONF ALL A Z410 B
REPLACEMENT OF THE FRONT
MOUNT LOCK PLATE ASSEMBLY A B ICN-A350-A-71XXP011-A-FAPE3-0674V-A-003-01
A350
SERVICE BULLETIN REV 00 Jan 13/22 A350-71-P011 REV 01 Dec 20/22 Page 8 ATA SYSTEM: 71 TITLE: POWER PLANT - MOUNTS - FRONT MOUNT RETENTION BRACKET AND PYLON WASHER MODIFICATIONS ON ENGINE 1 (LH SIDE)
1. PLANNING INFORMATION A. APPLICABILITY NOTE: This modification is applicable by Service Bulletin only.
NOTE: This Service Bulletin is not applicable on aircraft on which modification No.
112589L85268 (POWER PLANT - FRONT ENGINE MOUNTS - REVISE WELD LENGTH BETWEEN FRONT MOUNT RETENTION BRACKET AND PYLON WASHER) is embodied on production line.
NOTE: The intent of this modification is achieved in production on A350-900 aircraft with Manufacturer Serial Number (MSN) 0163, 0167, 0172, 0178, 0207, 0211, 0214- 0268, 0270 and subsequent through modification No. 112589L85268.
(1) Models ON A/C 0005-0058, 0060-0064, 0066-0070, 0072-0087, 0089-0101, 0103-0107, 0109, 0111- 0117, 0119-0124, 0126-0130, 0132-0138, 0140, 0142-0151, 0153-0155, 0157-0160, 0162, 0164, 0165, 0168, 0170, 0173-0177, 0179-0187, 0189-0193, 0195-0205, 0208-0210, 0212, 0213, 0269 350-941
CONF ALL
(2) Applicability by MSN 0005-0058 0060-0064 0066-0070 0072-0087 0089-0101 0103-0107 0109 0111-0117 0119-0124 0126-0130 0132-0138 0140 0142-0151 0153-0155 0157-0160 0162 0164 0165 0168 0170 0173-0177 0179-0187 0189-0193 0195-0205 0208-0210 0212 0213 0269
(3) MSN by configuration
MSN CONFIGURATION 0005 0006 0007 0008 0009 0010 0011 0012 0013 0014 0015 0016 0017 0018 0019 0020 0021 0022 0023 0024 0025 0026 0027 0028 0029 0030 0031 0032 0033 0034 0035 0036 0037 0038 0039 0040 0041 0042 0043 0044 0045 0046 0047 0048 0049 0050 0051 0052 0053 0054 0055 0056 0057 0058 0060 0061 0062 0063 0064 0066 0067 0068 0069 0070 0072 0073 0074 0075 0076 0077 0078 0079 0080 0081 0082 0083 0084 0085 0086 0087 0089 0090 0091 0092 0093 0094 0095 0096 0097 0098 0099 0100 0101 0103 0104 0105 0106 0107 0109 0111 0112 0113 0114 0115 0116 0117 0119 0120 0121 0122 0123 0124 0126 0127 0128 0129 0130 0132 0133 0134 0135 0136 0137 0138 0140 0142 0143 0144 0145 0146 0147 0148 0149 0150 0151 0153 0154 0155 0157 0158 0159 0160 0162 0164 0165 0168 0170 0173 0174 0175 0176 0177 0179 0180 0181 0182 0183 0184 0185 0186 0187 0189 0190 0191 0192 0193 0195 0196 0197 0198 0199 0200 0201 0202 0203 0204 0205 0208 0209 0210 0212 0213 0269 001
(4) Configuration definition
A350
SERVICE BULLETIN REV 00 Jan 13/22 A350-71-P011 REV 01 Dec 20/22 Page 9 Configuration 001 CONF 001 is applicable for all the aircraft affected by this Service Bulletin as a standard configuration.
CONF 001 retrofits following modifications: 120016L85425.
B. CONCURRENT REQUIREMENTS None C. REASON
(1) History The integrated washer on the front engine mount lockplate support bracket assembly can become detached during the assembly to the pylon.
(2) Objective/Action This Service Bulletin is published to advise all operators of A350 aircraft of the issue of Rolls Royce Service Bulletin No. TRENT XWB 71-J652.
This Service Bulletin introduces revised front engine mount lockplate support bracket assembly, lockplates and revised front and rear engine mount pylon bolts fitting instructions on engine 1 (LH side).
On engine 2 (RH side), introduction of revised front engine mount lockplate support bracket assembly, lockplates and revised front and rear engine mount pylon bolts fitting instructions is done by Service Bulletin A350-71-P015 Mod No. 120016L85424.
On production line, introduction of revised front engine mount lockplate support bracket assembly, lockplates and revised front and rear engine mount pylon bolts fitting instructions on engine 1 (LH side) and engine 2 (RH side) is done by Mod. No.
112589L85268.
NOTE: It is recommended to perform this Service Bulletin at the opportunity of an engine overhaul or engine replacement.
(3) Advantages The accomplishment of this Service Bulletin will prevent the detachment of the integrated washer on engine mount lockplate support bracket during assembly.
(4) Operational/Maintenance Consequences None D. DESCRIPTION T o accomplish this Service Bulletin it is necessary to:
(1) Replacement of the Front Mount Lock Plate Assembly on Engine 1, LH side
(a) T ask set A350-A-71-XX-P011-01000-93AA-A Replacement of the Front Mount Lock Plate Assembly On Engine 1, LH side 1 Remove Engine 1 from Aircraft 2 Modify the Front Mount Lock Plate Assembly on Engine 1 in Accordance with VSB 3 Install Engine 1 on Aircraft E. COMPLIANCE
A350
SERVICE BULLETIN REV 00 Jan 13/22 A350-71-P011 REV 01 Dec 20/22 Page 10
(1) Classification RECOMMENDED: Service Bulletin recommended to be accomplished to prevent significant operational disruptions.
(2) Accomplishment Timescale Accomplishment of this Service Bulletin is recommended at the earliest opportunity where manpower and facilities are available.
F. APPROVAL The technical content of this document is approved under the authority of the Design Organisation Approval ref. EASA.21J.031.
If an aircraft listed in the applicability has a modification or repair embodied that is not of AIRBUS origin, and which affects the content of this Service Bulletin, the operator is responsible for obtaining approval by its airworthiness authority for any adaptation necessary before incorporation of the Service Bulletin.
G. MANPOWER The manpower estimates given in this Service Bulletin are based on the direct labor cost to do the work. These estimates assume that the work will be done by experienced personnel, and may need to be revised upwards to suit operator’s circumstances. The estimates do not include the time to prepare, plan or inspect the work. Manufacture and procurement of parts and tools, drying times for paints, sealants, etc., and general administration work are also not included.
(1) Replacement of the Front Mount Lock Plate Assembly on Engine 1, LH side
(a) T ask set A350-A-71-XX-P011-01000-93AA-A Replacement of the Front Mount Lock Plate Assembly On Engine 1, LH side
PREPARATION Job Set-up 0.50 h Get Access for Engine 1 10.00 h
PROCEDURE Remove Engine 1 from Aircraft 15.00 h Install Engine 1 on Aircraft 18.00 h
PREPARATION FOR TEST Preparation for T est 0.25 h TEST T est 8.00 h
CLOSE-UP Close-up for Engine 1 10.00 h Close-up 0.50 h TOTAL MAN-HOURS 62.25 h ELAPSED TIME (HOURS) 13.75 h Additional man-hours related to Vendor SB; refer to:
Modify the Front Mount Lock Plate Assembly on Engine 1 in Accordance with VSB Ref. ROLLS ROYCE PLC (K0680) VSB TRENT XWB 71-J652 H. WEIGHT AND BALANCE Not changed
A350
SERVICE BULLETIN REV 00 Jan 13/22 A350-71-P011 REV 01 Dec 20/22 Page 11 I. ELECTRICAL LOAD DATA Not changed J. REFERENCES
(1) Replacement of the Front Mount Lock Plate Assembly on Engine 1, LH side
(a) T ask set A350-A-71-XX-P011-01000-93AA-A Replacement of the Front Mount Lock Plate Assembly On Engine 1, LH side
ELECTRICAL STANDARD PRACTICES (ESP) A350-A-20-55-XX-01ZZZ-042Z-A
INTRODUCTION (INTRO) A350-A-00-61-04-11ZZZ-018Z-D
MAINTENANCE PROCEDURE (MP) A350-A-24-41-XX-00ZZZ-170Z-A A350-A-71-00-51-00ZZZ-720Z-A A350-A-71-00-51-04ZZZ-520Z-A
SYSTEM DESCRIPTION (SD) A350-A-06-3X-XX-01ZZZ-04CZ-A
VENDOR SERVICE BULLETIN (VSB) ROLLS ROYCE PLC (K0680) VSB TRENT XWB 71-J652 K. PUBLICATION AFFECTED
MAINTENANCE ILLUSTRATED PART DATA (MIPD)
MAINTENANCE PROCEDURE (MP) L. INDUSTRY SUPPORT INFORMATION AIRBUS will not provide industry support for accomplishment of this Service Bulletin.
Refer to Ref. ROLLS ROYCE PLC (K0680) VSB TRENT XWB 71-J652 for the industry support terms of the Vendor Service Bulletin parts and labor.
A350
SERVICE BULLETIN REV 00 Jan 13/22 A350-71-P011 REV 01 Dec 20/22 Page 12
2. MATERIAL INFORMATION A. MATERIAL APPLICABILITY Material for task set A350-A-71-XX-P011-01000-93AA-A Replacement of the Front Mount Lock Plate Assembly On Engine 1, LH side
MATERIAL QTY SEE NOTES Referenced tools See SB Referenced consumables See SB Referenced parts See SB Re-identified parts See SB Interchangeable parts See SB B. TOOLING Referenced tools for task set A350-A-71-XX-P011-01000-93AA-A Replacement of the Front Mount Lock Plate Assembly On Engine 1, LH side T o accomplish this Service Bulletin it is necessary to use the tools listed in:
Ref. MP A350-A-71-00-51-04ZZZ-520Z-A Ref. MP A350-A-71-00-51-00ZZZ-720Z-A C. CONSUMABLES Referenced consumables for task set A350-A-71-XX-P011-01000-93AA-A Replacement of the Front Mount Lock Plate Assembly On Engine 1, LH side T o accomplish this Service Bulletin it is necessary to use the consumable materials listed in:
Ref. MP A350-A-71-00-51-04ZZZ-520Z-A Ref. MP A350-A-71-00-51-00ZZZ-720Z-A Ref. ROLLS ROYCE PLC (K0680) VSB TRENT XWB 71-J652 NOTE: Use OMat 4-90 instead of MSRR9409 (OMat 4-23) while applying the Ref. ROLLS ROYCE PLC (K0680) VSB TRENT XWB 71-J652.
D. LIST OF NEW PARTS Referenced parts for task set A350-A-71-XX-P011-01000-93AA-A Replacement of the Front Mount Lock Plate Assembly On Engine 1, LH side T o accomplish this Service Bulletin it is necessary to use the expendable parts listed in:
Ref. MP A350-A-71-00-51-00ZZZ-720Z-A Ref. ROLLS ROYCE PLC (K0680) VSB TRENT XWB 71-J652 E. LIST OF EXISTING PARTS Re-identified parts for task set A350-A-71-XX-P011-01000-93AA-A Replacement of the Front Mount Lock Plate Assembly On Engine 1, LH side ITEM NEW PART No. KEYWORD ITEM OLD PART No. SEE NOTES KH80219 BRACKET KH12640 (1) KH83296 KIT TCG01000886084 (1) (2)
NOTE(S)
(1): Parts are re-identified in accordance with Ref. ROLLS ROYCE PLC (K0680) VSB TRENT XWB 71-J652.
(2): PN TCG01000886084 is same as PN KH50774 for FIN 5301EA1.