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A350
SERVICE BULLETIN REV 00 Feb 05/24 A350-57-P089 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: 57 TITLE: WINGS - INBOARD FLAP - INTRODUCE REPLACEMENT RH INBOARD
FLAP FOLLOWING INSPECTION FINDING ON TRUNNION (SB ONLY) MODIFICATION No.:
120315L01292
A350
SERVICE BULLETIN
SUMMARY REV 00 Feb 05/24 A350-57-P089 Page 2 ATA SYSTEM: 57 TITLE: WINGS - INBOARD FLAP - INTRODUCE REPLACEMENT RH INBOARD
FLAP FOLLOWING INSPECTION FINDING ON TRUNNION (SB ONLY)
SUMMARY This summary is for information only and is not approved for modification of the aircraft.
A. MODIFICATIONS CONF 001
MODIFICATION CLASSIFICATION MAJOR 120315L01292 MINOR None 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.
CONF 002
MODIFICATION CLASSIFICATION MAJOR 120315L01292 MINOR None 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.
CONF ALL B. REASON
(1) History Following AIRBUS inspection program of the A350-900 inboard flap, cracks were discovered on the trunnion as a result of unexpected material behavior. AIRBUS released Inspection Service Bulletin (ISB) No. A350-57-P077 to perform a detailed Non- Destructive T est (NDT) inspection of the trunnion. In case of findings, a replacement of the inboard flap is required.
Due to a shortage of inboard flap spares covering the affected fleet, there is a need for a Modification (MOD) to modify a new production standard inboard flap into an inboard flap that can be fitted on the affected fleet.
(2) Objective/Action This Service Bulletin provides instructions to install a new inboard flap removing mandatory inspections as detailed in ISB No. A350-57-P077.
If the content of this Service Bulletin has been accomplished by Repair and Design Approval Form (RDAF) Ref. 81224978/003/2023 on Manufacturer Serial Number (MSN) 0006, then it is only necessary to report the accomplishment of this Service Bulletin by completing and submitting the Service Bulletin reporting sheet.
(3) Advantages Accomplishment of this Service Bulletin cancels the requirements of ISB No. A350-57- P077.
A350
SERVICE BULLETIN
SUMMARY REV 00 Feb 05/24 A350-57-P089 Page 3
(4) Operational/Maintenance Consequences None C. GENERAL EVALUATION
EVALUATION TABLE
COMPLIANCE RECOMMENDED COST SAVING NO
A/C OPERATION
AFFECTED
NO VENDOR SB NO
CANCELS INSPECTION SB YES 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.
NOTE: This Service Bulletin is recommended to be accomplished following findings from the inspection programme given in ISB No. A350-57-P077.
D. MAINTENANCE CONFIGURATION CONF 001
MAINTENANCE CONFIGURATION
FLAPS/SLATS RETRACTED YES CONF 002
MAINTENANCE CONFIGURATION
FLAPS/SLATS RETRACTED YES
CONF ALL E. MATERIAL PRICE INFORMATION CONF 001
(1) Replacement of the RH Inboard Flap Assy
(a) T ask set A350-A-57-XX-P089-01000-93AA-A Replacement of the RH Inboard Flap Assy
MATERIAL PRICE INFORMATION TABLE
MATERIAL SET QTYPER A/C PRICE PER A/C MAIN PARTS Part kit 57P089D01R00 1 31930.00 USD Plates, sleeve, ring, washers, nuts, bolts and cotter pin Components See SB See Note Plate, caps and flap NOTE: Price information to be obtained from the given supplier.
CONF 002
(1) Replacement of the RH Inboard Flap Assy
A350
SERVICE BULLETIN
SUMMARY REV 00 Feb 05/24 A350-57-P089 Page 4
(a) T ask set A350-A-57-XX-P089-01000-93AA-A Replacement of the RH Inboard Flap Assy
MATERIAL PRICE INFORMATION TABLE
MATERIAL SET QTYPER A/C PRICE PER A/C MAIN PARTS Part kit 57P089D02R01 1 6080.00 USD Bolts, washers, nuts, sleeve and cotter pin Components See SB See Note Plate, caps and flap NOTE: Price information to be obtained from the given supplier.
CONF ALL F. APPLICABILITY This Service Bulletin is applicable to this (these) operator(s):
CPA DAL DLH ETH FBU FIN HVN QTR SIA THA G. CONCURRENT REQUIREMENTS Accomplishment of this Service Bulletin requires the prior or simultaneous accomplishment of this Service Bulletin:
Service Bulletin(s) Modification(s) Ref. SB A350-57-P018 112002L00931 112103L00933 NOTE: Service Bulletin No. A350-57-P018 (WINGS - TRAILING EDGE AND TRAILING EDGE
DEVICES - REVISE CRUISE ROLLER AND FLAP UNICORN TO INCREASE OPERATIONAL DURABILITY).
NOTE: Service Bulletin No. A350-57-P018 (WINGS - TRAILING EDGE AND TRAILING EDGE
DEVICES - REVISE CRUISE ROLLER AND FLAP UNICORN TO INCREASE OPERATIONAL DURABILITY) is a concurrent requirement if MOD No. 112002L00931 has not been embodied before delivery.
NOTE: When an operator records the SB report, it is also the operator's responsibility to report all prerequisite Service Bulletin to AIRBUS.
H. NATURE OF THE WORK CONF 001
(1) Replacement of the RH Inboard Flap Assy
(a) T ask set A350-A-57-XX-P089-01000-93AA-A Replacement of the RH Inboard Flap Assy
AIRCRAFT YES
EQUIPMENT NO CONF 002
(1) Replacement of the RH Inboard Flap Assy
(a) T ask set A350-A-57-XX-P089-01000-93AA-A Replacement of the RH Inboard Flap Assy
AIRCRAFT YES
EQUIPMENT NO
A350
SERVICE BULLETIN
SUMMARY REV 00 Feb 05/24 A350-57-P089 Page 5
CONF ALL I. MANPOWER CONF 001
(1) Replacement of the RH Inboard Flap Assy
(a) T ask set A350-A-57-XX-P089-01000-93AA-A Replacement of the RH Inboard Flap Assy
MANPOWER TOTAL MAN-HOURS 61.00 h ELAPSED TIME (HOURS) 21.00 h CONF 002
(1) Replacement of the RH Inboard Flap Assy
(a) T ask set A350-A-57-XX-P089-01000-93AA-A Replacement of the RH Inboard Flap Assy
MANPOWER TOTAL MAN-HOURS 61.00 h ELAPSED TIME (HOURS) 21.00 h
A350
SERVICE BULLETIN
SUMMARY Figure ICN-A350-A-57XXP089-A-FAPE3-076Q2-A-001-01 Fig.SA Sol.AA SHEET 1/1 REV 00 Feb 05/24 A350-57-P089General Overview Page 6
CONF ALL J. GENERAL OVERVIEW
CONF ALL A
REPLACEMENT OF THE
RH INBOARD FLAP ASSY Z661 A ICN-A350-A-57XXP089-A-FAPE3-076Q2-A-001-01
A350
SERVICE BULLETIN REV 00 Feb 05/24 A350-57-P089 Page 7 ATA SYSTEM: 57 TITLE: WINGS - INBOARD FLAP - INTRODUCE REPLACEMENT RH INBOARD
FLAP FOLLOWING INSPECTION FINDING ON TRUNNION (SB ONLY)
1. PLANNING INFORMATION A. APPLICABILITY NOTE: This modification is applicable by Service Bulletin only.
(1) Models ON A/C 0005-0020, 0022, 0023, 0026-0032, 0034-0046 350-941
CONF ALL
(2) Applicability by MSN 0005-0020 0022 0023 0026-0032 0034-0046
(3) MSN by configuration CONF 001
MSN CONFIGURATION 0005 0006 0007 0008 0009 0010 0011 0012 0013 0014 0015 0016 0017 0018 0019 0020 001 CONF 002
MSN CONFIGURATION 0022 0023 0026 0027 0028 0029 0030 0031 0032 0034 0035 0036 0037 0038 0039 0040 0041 0042 0043 0044 0045 0046 002
CONF ALL
(4) Configuration definition CONF 001 Configuration 001 CONF 001 is applicable for all the aircraft on which MOD No. 102046L00129 is not embodied.
CONF 001 retrofits following modifications: 120315L01292.
CONF 002 Configuration 002 CONF 002 is applicable for all the aircraft on which MOD No. 102046L00129 is embodied.
CONF 002 retrofits following modifications: 120315L01292.
CONF ALL B. CONCURRENT REQUIREMENTS Accomplishment of this Service Bulletin requires the prior or simultaneous accomplishment of this Service Bulletin:
Service Bulletin(s) Modification(s) Ref. SB A350-57-P018 112002L00931 112103L00933
A350
SERVICE BULLETIN REV 00 Feb 05/24 A350-57-P089 Page 8 NOTE: Service Bulletin No. A350-57-P018 (WINGS - TRAILING EDGE AND TRAILING EDGE
DEVICES - REVISE CRUISE ROLLER AND FLAP UNICORN TO INCREASE OPERATIONAL DURABILITY).
NOTE: Service Bulletin No. A350-57-P018 (WINGS - TRAILING EDGE AND TRAILING EDGE
DEVICES - REVISE CRUISE ROLLER AND FLAP UNICORN TO INCREASE OPERATIONAL DURABILITY) is a concurrent requirement if MOD No. 112002L00931 has not been embodied before delivery.
NOTE: When an operator records the SB report, it is also the operator's responsibility to report all prerequisite Service Bulletin to AIRBUS.
C. REASON
(1) History Following AIRBUS inspection program of the A350-900 inboard flap, cracks were discovered on the trunnion as a result of unexpected material behavior. AIRBUS released Inspection Service Bulletin (ISB) No. A350-57-P077 to perform a detailed Non- Destructive T est (NDT) inspection of the trunnion. In case of findings, a replacement of the inboard flap is required.
Due to a shortage of inboard flap spares covering the affected fleet, there is a need for a Modification (MOD) to modify a new production standard inboard flap into an inboard flap that can be fitted on the affected fleet.
(2) Objective/Action This Service Bulletin provides instructions to install a new inboard flap removing mandatory inspections as detailed in ISB No. A350-57-P077.
If the content of this Service Bulletin has been accomplished by Repair and Design Approval Form (RDAF) Ref. 81224978/003/2023 on Manufacturer Serial Number (MSN) 0006, then it is only necessary to report the accomplishment of this Service Bulletin by completing and submitting the Service Bulletin reporting sheet.
(3) Advantages Accomplishment of this Service Bulletin cancels the requirements of ISB No. A350-57- P077.
(4) Operational/Maintenance Consequences None D. DESCRIPTION T o accomplish this Service Bulletin it is necessary to:
(1) Replacement of the RH Inboard Flap Assy
(a) T ask set A350-A-57-XX-P089-01000-93AA-A Replacement of the RH Inboard Flap Assy CONF 001 1 Remove the RH Inboard Flap Assy CONF 002 1 Remove the RH Inboard Flap Assy
CONF ALL 2 Modify the New RH Inboard Flap Assy On Bench CONF 001 3 Install the RH Inboard Flap Assy
A350
SERVICE BULLETIN REV 00 Feb 05/24 A350-57-P089 Page 9 CONF 002 3 Install the RH Inboard Flap Assy
CONF ALL E. COMPLIANCE
(1) Classification RECOMMENDED: Service Bulletin recommended to be accomplished to prevent significant operational disruptions.
(2) Accomplishment Timescale This Service Bulletin is recommended to be accomplished following findings from the inspection programme given in ISB No. A350-57-P077.
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 CONF 001 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 RH Inboard Flap Assy
(a) T ask set A350-A-57-XX-P089-01000-93AA-A Replacement of the RH Inboard Flap Assy
PREPARATION Job Set-Up 6.00 h
PROCEDURE Remove the RH Inboard Flap Assy 18.00 h Modify the New RH Inboard Flap Assy On Bench 1.00 h BENCH Install the RH Inboard Flap Assy 24.00 h
PREPARATION FOR TEST Preparation for T est 1.50 h TEST T est 1.50 h
CLOSE-UP Close-Up 9.00 h TOTAL MAN-HOURS 61.00 h ELAPSED TIME (HOURS) 21.00 h CONF 002
A350
SERVICE BULLETIN REV 00 Feb 05/24 A350-57-P089 Page 10 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 RH Inboard Flap Assy
(a) T ask set A350-A-57-XX-P089-01000-93AA-A Replacement of the RH Inboard Flap Assy
PREPARATION Job Set-Up 6.00 h
PROCEDURE Remove the RH Inboard Flap Assy 18.00 h Modify the New RH Inboard Flap Assy On Bench 1.00 h BENCH Install the RH Inboard Flap Assy 24.00 h
PREPARATION FOR TEST Preparation for T est 1.50 h TEST T est 1.50 h
CLOSE-UP Close-Up 9.00 h TOTAL MAN-HOURS 61.00 h ELAPSED TIME (HOURS) 21.00 h
CONF ALL H. WEIGHT AND BALANCE The weight and balance estimates given in this Service Bulletin are based on the Manufacturer's Empty Weight (MEW) and do not include operator's items. The definition of MEW and operator's items is given in the Weight and Balance Manual (WBM), Ref. WBM.
FOR SERIE-350-900 Manufacturer's Empty Weight -1.4 kg (-3.086 lb) Effect on Balance -75.246 kg.m (-544.254 lb.ft) I. ELECTRICAL LOAD DATA Not changed J. REFERENCES
CONCURRENT SERVICE BULLETIN (SB) A350-57-P018 CONF 001
(1) Replacement of the RH Inboard Flap Assy
A350
SERVICE BULLETIN REV 00 Feb 05/24 A350-57-P089 Page 11
(a) T ask set A350-A-57-XX-P089-01000-93AA-A Replacement of the RH Inboard Flap Assy
AIRCRAFT STRUCTURAL REPAIR (ASR) A350-A-51-42-XX-01ZZZ-667Z-A A350-A-51-43-XX-01ZZZ-667Z-A A350-A-51-75-12-00ZZZ-660Z-A
CONSUMABLE MATERIAL LIST (CML) See manual
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-11-XX-XX-00ZZZ-691Z-A A350-A-24-41-XX-00ZZZ-170Z-A A350-A-57-54-62-00ZZZ-520Z-A A350-A-57-54-62-00ZZZ-720Z-A A350-A-57-57-61-00ZZZ-720Z-A
PROCESS AND MATERIAL SPECIFICATION (PMS) 01-06-12
SYSTEM DESCRIPTION (SD) A350-A-06-3X-XX-01ZZZ-04CZ-A A350-A-06-4X-XX-01ZZZ-04CZ-A
STANDARDS MANUAL (SM) See manual
TECHNICAL FOLLOW UP (TFU)
57.50.00035
WEIGHT AND BALANCE MANUAL (WBM) See manual CONF 002
(1) Replacement of the RH Inboard Flap Assy
(a) T ask set A350-A-57-XX-P089-01000-93AA-A Replacement of the RH Inboard Flap Assy
AIRCRAFT STRUCTURAL REPAIR (ASR) A350-A-51-42-XX-01ZZZ-667Z-A A350-A-51-43-XX-01ZZZ-667Z-A A350-A-51-75-12-00ZZZ-660Z-A
CONSUMABLE MATERIAL LIST (CML) See manual
A350
SERVICE BULLETIN REV 00 Feb 05/24 A350-57-P089 Page 12
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-11-XX-XX-00ZZZ-691Z-A A350-A-24-41-XX-00ZZZ-170Z-A A350-A-57-54-62-00ZZZ-520Z-A A350-A-57-54-62-00ZZZ-720Z-A A350-A-57-57-61-00ZZZ-720Z-A
PROCESS AND MATERIAL SPECIFICATION (PMS) 01-06-12
SYSTEM DESCRIPTION (SD) A350-A-06-3X-XX-01ZZZ-04CZ-A A350-A-06-4X-XX-01ZZZ-04CZ-A
STANDARDS MANUAL (SM) See manual
TECHNICAL FOLLOW UP (TFU)
57.50.00035
WEIGHT AND BALANCE MANUAL (WBM) See manual
CONF ALL K. PUBLICATION AFFECTED
MAINTENANCE ILLUSTRATED PART DATA (MIPD) See manual
STRUCTURAL REPAIR IPD (SRIPD) See manual L. INDUSTRY SUPPORT INFORMATION This Service Bulletin is the subject of an AIRBUS monitored retrofit campaign. For detailed support, please refer to the related RIL V57M22002681.
For the organization of this retrofit, you are kindly requested to contact AIRBUS retrofit management department: monitored.retrofit@airbus.com.