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- Manufacturer
- Airbus
- Type
- Service Bulletin
- Number
- A350-27-P036
- Latest revision known
- A350-27-P036, Revision 01, dated April 8, 2020
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A350
SERVICE BULLETIN REV 00 Jun 11/19 A350-27-P036 Page 1
CONF ALL AIRBUS 2, ROND POINT EMILE DEWOITINE 31700 BLAGNAC FRANCE
The content of this document is the property of Airbus.
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.
MANDATORY MANDATORY MANDATORY ATA SYSTEM: 27 TITLE: FLIGHT CONTROLS - ELEVATOR ACTUATION AND MONITORING -
INSTALL NEW ELEVATOR ELECTRO-HYDROSTATIC ACTUATOR (EHA) RH STANDARD 26 WITH NEW ELECTRONIC MODULE (EM) STANDARD 004 B-CONNECTOR ASSEMBLY MODIFICATION No.:
114373L48298
A350
SERVICE BULLETIN
SUMMARY REV 00 Jun 11/19 A350-27-P036 Page 2 ATA SYSTEM: 27 TITLE: FLIGHT CONTROLS - ELEVATOR ACTUATION AND MONITORING -
INSTALL NEW ELEVATOR ELECTRO-HYDROSTATIC ACTUATOR (EHA) RH STANDARD 26 WITH NEW ELECTRONIC MODULE (EM) STANDARD 004 B-CONNECTOR ASSEMBLY
SUMMARY This summary is for information only and is not approved for modification of the aircraft.
A. MODIFICATIONS
MODIFICATION CLASSIFICATION MAJOR None MINOR 114373L48298 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.
NOTE: This modification related to an Airworthiness issue has been classified by Airbus and confirmed by EASA as minor in accordance with EU Part 21.A.91. As such, this minor change is handled by Airbus under its Design Organisation Approval No.
EASA.21J.031.
B. REASON
(1) History On A350 program, on the Electrical Module (EM) solder cracks have been found leading to Linear Variable Differential Transducer (LVDT) to Rotary Variable Differential Transducer (RVDT) disagreement faults.
This failure has been identified on Electro Hydrostatic Actuator (EHA) standard (STD) -025.
(2) Objective/Action This Service Bulletin consists in introducing new elevator EHA -026 STD with a new EM.
This Service Bulletin is published to advise all operators of A350 aircraft of the issue of MOOG AIRCRAFT GROUP Service Bulletin No. CA67006-27-06 which modifies the EHA EM assembly.
(3) Advantages Accomplishment of this Service Bulletin will permit to introduce a new STD -026 who resolves the issue of the current solder joints design.
(4) Operational/Maintenance Consequences None C. GENERAL EVALUATION
EVALUATION TABLE
COMPLIANCE MANDATORY COST SAVING NO
A350
SERVICE BULLETIN
SUMMARY REV 00 Jun 11/19 A350-27-P036 Page 3
EVALUATION TABLE
A/C OPERATION
AFFECTED
NO VENDOR SB YES
CANCELS INSPECTION SB NO ETOPS AFFECTED NO
PAX COMFORT AFFECTED NO POTENTIAL AD YES
RELIABILITY AFFECTED NO STRUCTURAL LIFE EXTENSION NO
LIFE LIMIT NO LINE MAINTENANCE AFFECTED NO NOTE: Service Bulletin must be accomplished.
D. MAINTENANCE CONFIGURATION No specific aircraft maintenance configuration required.
E. MATERIAL PRICE INFORMATION
(1) Modification
(a) T ask set A350-A-27-XX-P036-01000-93AA-A OPTION 1 - Modification of the EHA PN CA67006-025 in accordance with VSB on aircraft
MATERIAL PRICE INFORMATION TABLE
MATERIAL SET QTYPER A/C PRICE PER A/C MAIN PARTS Equipment See SB See Note EM assy NOTE: Price information to be obtained from the given supplier.
(b) T ask set A350-A-27-XX-P036-01000-93AB-A OPTION 2 - Replacement of the EHA
MATERIAL PRICE INFORMATION TABLE
MATERIAL SET QTYPER A/C PRICE PER A/C MAIN PARTS Equipment See SB See Note Elevator EHA NOTE: Price information to be obtained from the given supplier.
F. APPLICABILITY This Service Bulletin is applicable to this (these) operator(s):
AAR CAL CCA CES CHH CPA CRK CSC DAL DLH ETH EVE FBU FIN FWI HVN IBE MAS MAU PAL
QTR SIA TAM THA G. CONCURRENT REQUIREMENTS None H. NATURE OF THE WORK
(1) Modification
(a) T ask set A350-A-27-XX-P036-01000-93AA-A OPTION 1 - Modification of the EHA PN CA67006-025 in accordance with VSB on aircraft
AIRCRAFT NO
EQUIPMENT YES
A350
SERVICE BULLETIN
SUMMARY REV 00 Jun 11/19 A350-27-P036 Page 4
(b) T ask set A350-A-27-XX-P036-01000-93AB-A OPTION 2 - Replacement of the EHA
AIRCRAFT NO
EQUIPMENT YES I. MANPOWER
(1) Modification
(a) T ask set A350-A-27-XX-P036-01000-93AA-A OPTION 1 - Modification of the EHA PN CA67006-025 in accordance with VSB on aircraft
MANPOWER TOTAL MAN-HOURS 3.25 h ELAPSED TIME (HOURS) 3.25 h Additional man-hours related to Vendor SB; refer to:
Modify the EHA Ref. MOOG INC (94697) VSB CA67006-27-06 Re-identify the EHA, RH side Ref. MOOG INC (94697) VSB CA67006-27-06
(b) T ask set A350-A-27-XX-P036-01000-93AB-A OPTION 2 - Replacement of the EHA
MANPOWER TOTAL MAN-HOURS 5.25 h ELAPSED TIME (HOURS) 5.25 h
A350
SERVICE BULLETIN
SUMMARY Figure ICN-A350-A-27XXP036-A-FAPE3-04J8M-A-001-01 SHEET 1/1 REV 00 Jun 11/19 A350-27-P036General overview Page 5 J. GENERAL OVERVIEW
CONF ALL A
MODIFICATION OR REPLACEMENT OF THE
ELECTRONIC MODULE ASSEMBLY HINGE RIB3 HINGE RIB2 A Z344 ICN-A350-A-27XXP036-A-FAPE3-04J8M-A-001-01
A350
SERVICE BULLETIN REV 00 Jun 11/19 A350-27-P036 Page 6 ATA SYSTEM: 27 TITLE: FLIGHT CONTROLS - ELEVATOR ACTUATION AND MONITORING -
INSTALL NEW ELEVATOR ELECTRO-HYDROSTATIC ACTUATOR (EHA) RH STANDARD 26 WITH NEW ELECTRONIC MODULE (EM) STANDARD 004 B-CONNECTOR ASSEMBLY
1. PLANNING INFORMATION A. APPLICABILITY NOTE: This modification is embodied before delivery on aircraft with Manufacturer Serial Number (MSN) 0065, 0071, 0241, 0246, 0249, 0251, 0257, 0260, 0266, 0270, 0274, 0281, 0282, 0283, 0290, 0298, 0299, 0301, 0305 and subsequent.
(1) Models ON A/C 0088, 0102, 0110, 0118, 0125, 0141, 0161, 0169, 0188, 0206, 0215, 0225, 0229, 0233, 0252, 0258, 0262, 0286, 0296 350-1041 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, 0162-0165, 0167, 0168, 0170, 0172-0187, 0189-0193, 0195-0205, 0207-0214, 0216-0221, 0223, 0224, 0226-0228, 0230-0232, 0234-0240, 0243-0245, 0247, 0248, 0250, 0254-0256, 0259, 0261, 0263-0265, 0267-0269, 0271-0273, 0276-0280, 0284, 0285, 0287, 0289, 0291-0295, 0297, 0300, 0302, 0303 350-941
CONF ALL
(2) Applicability by MSN 0005-0058 0060-0064 0066-0070 0072-0107 0109-0130 0132-0138 0140-0151 0153-0155 0157-0165 0167-0170 0172-0193 0195-0221 0223-0240 0243-0245 0247 0248 0250 0252 0254-0256 0258 0259 0261-0265 0267-0269 0271-0273 0276-0280 0284-0287 0289 0291-0297 0300 0302 0303
(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 0088 0089 0090 0091 0092 0093 0094 0095 0096 0097 0098 0099 0100 0101 0102 0103 0104 0105 0106 0107 0109 0110 0111 0112 0113 0114 0115 0116 0117 0118 0119 0120 0121 0122 0123 0124 0125 0126 0127 0128 0129 0130 0132 0133 0134 0135 0136 0137 0138 0140 0141 0142 0143 0144 0145 0146 0147 0148 0149 0150 0151 0153 0154 0155 0157 0158 0159 0160 0161 0162 0163 0164 0165 0167 0168 0169 0170 0172 0173 0174 0175 0176 0177 0178 0179 0180 0181 0182 0183 0184 0185 0186 0187 0188 0189 0190 0191 0192 0193 0195 0196 0197 0198 0199 0200 0201 0202 0203 0204 0205 0206 0207 0208 0209 0210 0211 0212 0213 001
A350
SERVICE BULLETIN REV 00 Jun 11/19 A350-27-P036 Page 7
MSN CONFIGURATION 0214 0215 0216 0217 0218 0219 0220 0221 0223 0224 0225 0226 0227 0228 0229 0230 0231 0232 0233 0234 0235 0236 0237 0238 0239 0240 0243 0244 0245 0247 0248 0250 0252 0254 0255 0256 0258 0259 0261 0262 0263 0264 0265 0267 0268 0269 0271 0272 0273 0276 0277 0278 0279 0280 0284 0285 0286 0287 0289 0291 0292 0293 0294 0295 0296 0297 0300 0302 0303
(4) Configuration definition Configuration 001 CONF 001 is applicable for all the aircraft affected by this Service Bulletin as a standard configuration.
CONF 001 retrofits following modifications: 114373L48298.
B. CONCURRENT REQUIREMENTS None C. REASON
(1) History On A350 program, on the Electrical Module (EM) solder cracks have been found leading to Linear Variable Differential Transducer (LVDT) to Rotary Variable Differential Transducer (RVDT) disagreement faults.
This failure has been identified on Electro Hydrostatic Actuator (EHA) standard (STD) -025.
(2) Objective/Action This Service Bulletin consists in introducing new elevator EHA -026 STD with a new EM.
This Service Bulletin is published to advise all operators of A350 aircraft of the issue of MOOG AIRCRAFT GROUP Service Bulletin No. CA67006-27-06 which modifies the EHA EM assembly.
(3) Advantages Accomplishment of this Service Bulletin will permit to introduce a new STD -026 who resolves the issue of the current solder joints design.
(4) Operational/Maintenance Consequences None D. DESCRIPTION NOTE: T o accomplish this Service Bulletin, you have two options.
T o accomplish this Service Bulletin it is necessary to:
(1) Modification
(a) T ask set A350-A-27-XX-P036-01000-93AA-A OPTION 1 - Modification of the EHA PN CA67006-025 in accordance with VSB on aircraft 1 Remove the EM Assembly from the Elevator EHA, RH side 2 Modify the EHA
A350
SERVICE BULLETIN REV 00 Jun 11/19 A350-27-P036 Page 8 3 Install the EM Assembly on the Elevator EHA, RH side 4 Re-identify the EHA, RH side
(b) T ask set A350-A-27-XX-P036-01000-93AB-A OPTION 2 - Replacement of the EHA 1 Remove the EHA, RH side 2 Install the EHA, RH side E. COMPLIANCE
(1) Classification MANDATORY: Service Bulletin must be accomplished.
(2) Accomplishment Timescale This Service Bulletin has been classified Mandatory. It is expected that an Airworthiness Directive (AD) published by the European Aviation Safety Agency (EASA) will be issued to confirm this classification. The accomplishment timescale, which has not yet been defined, will be given in the AD.
F. APPROVAL The technical content of this document is approved under the authority of Design Organisation Approval No. 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) Modification
(a) T ask set A350-A-27-XX-P036-01000-93AA-A OPTION 1 - Modification of the EHA PN CA67006-025 in accordance with VSB on aircraft
PREPARATION Job Set-up 0.50 h
PROCEDURE Remove the EM Assembly from the Elevator EHA, RH side 1.00 h Install the EM Assembly on the Elevator EHA, RH side 1.00 h
PREPARATION FOR TEST None TEST T est 0.25 h
CLOSE-UP Close-up 0.50 h TOTAL MAN-HOURS 3.25 h ELAPSED TIME (HOURS) 3.25 h
A350
SERVICE BULLETIN REV 00 Jun 11/19 A350-27-P036 Page 9 Additional man-hours related to Vendor SB; refer to:
Modify the EHA Ref. MOOG INC (94697) VSB CA67006-27-06 Re-identify the EHA, RH side Ref. MOOG INC (94697) VSB CA67006-27-06
(b) T ask set A350-A-27-XX-P036-01000-93AB-A OPTION 2 - Replacement of the EHA
PREPARATION Job Set-up 0.50 h
PROCEDURE Remove the EHA, RH side 2.00 h Install the EHA, RH side 2.00 h
PREPARATION FOR TEST None TEST T est 0.25 h
CLOSE-UP Close-up 0.50 h TOTAL MAN-HOURS 5.25 h ELAPSED TIME (HOURS) 5.25 h H. WEIGHT AND BALANCE Not changed I. ELECTRICAL LOAD DATA Not changed J. REFERENCES
(1) Modification
(a) T ask set A350-A-27-XX-P036-01000-93AA-A OPTION 1 - Modification of the EHA PN CA67006-025 in accordance with VSB on aircraft
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-27-34-55-A1ZZZ-520Z-A A350-A-27-34-55-A1ZZZ-720Z-A
SYSTEM DESCRIPTION (SD) A350-A-06-3X-XX-01ZZZ-04CZ-A
TECHNICAL FOLLOW UP (TFU)
27.00.00.120
A350
SERVICE BULLETIN REV 00 Jun 11/19 A350-27-P036 Page 10
VENDOR SERVICE BULLETIN (VSB) MOOG INC (94697) VSB CA67006-27-06
(b) T ask set A350-A-27-XX-P036-01000-93AB-A OPTION 2 - Replacement of the EHA
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-27-34-55-00ZZZ-520Z-A A350-A-27-34-55-00ZZZ-720Z-A
SYSTEM DESCRIPTION (SD) A350-A-06-3X-XX-01ZZZ-04CZ-A
TECHNICAL FOLLOW UP (TFU)
27.00.00.120 K. PUBLICATION AFFECTED
MAINTENANCE ILLUSTRATED PART DATA (MIPD) L. INDUSTRY SUPPORT INFORMATION Industry support terms for the equipment must be negotiated with the equipment supplier.
Modification of removed equipment should be negotiated directly with the Vendor as per instructions given in Service Bulletin No. Ref. MOOG INC (94697) VSB CA67006-27-06.
Refer to VSB CA67006-27-06 for the industry support terms of the Vendor Service Bulletin parts and labor.
This Service Bulletin is the subject of an AIRBUS monitored retrofit campaign.
For the organization of this retrofit, you are kindly requested to contact AIRBUS retrofit management department: monitored.retrofit@airbus.com.
A350
SERVICE BULLETIN REV 00 Jun 11/19 A350-27-P036 Page 11
2. MATERIAL INFORMATION A. MATERIAL APPLICABILITY Material for task set A350-A-27-XX-P036-01000-93AA-A OPTION 1 - Modification of the EHA PN CA67006-025 in accordance with VSB on aircraft
MATERIAL QTY SEE NOTES Referenced tools See SB Equipment See SB Re-identified parts See SB Interchangeable parts See SB Spare parts See SB Material for task set A350-A-27-XX-P036-01000-93AB-A OPTION 2 - Replacement of the EHA
MATERIAL QTY SEE NOTES Referenced tools See SB Equipment See SB Referenced parts See SB Interchangeable parts See SB Spare parts See SB B. TOOLING Referenced tools for task set A350-A-27-XX-P036-01000-93AA-A OPTION 1 - Modification of the EHA PN CA67006-025 in accordance with VSB on aircraft NOTE: T o accomplish this Service Bulletin it is necessary to use the tools listed in the subsequent referenced tasks:
Ref. MP A350-A-27-34-55-A1ZZZ-520Z-A Ref. MP A350-A-27-34-55-A1ZZZ-720Z-A NOTE: T o accomplish this Service Bulletin it is necessary to use the tools listed in the subsequent Vendor Service Bulletin:
Ref. MOOG INC (94697) VSB CA67006-27-06 Referenced tools for task set A350-A-27-XX-P036-01000-93AB-A OPTION 2 - Replacement of the EHA NOTE: T o accomplish this Service Bulletin it is necessary to use the tools listed in the subsequent referenced tasks:
Ref. MP A350-A-27-34-55-00ZZZ-520Z-A Ref. MP A350-A-27-34-55-00ZZZ-720Z-A C. CONSUMABLES No consumables D. LIST OF NEW PARTS Equipment for task set A350-A-27-XX-P036-01000-93AA-A OPTION 1 - Modification of the EHA PN CA67006-025 in accordance with VSB on aircraft Procurement address 94697 MOOG INC.
SENECA STREET AND JAMISON ROAD 14052 EAST AURORA
A350
SERVICE BULLETIN REV 00 Jun 11/19 A350-27-P036 Page 12
UNITED STATES Phone: +1 716 652 20 00
NOTE(S) Vendor parts are to be procured from the address given above.
ITEM PART No. QTY (UM) KEYWORD DRAWING SEE NOTES CB84067-004 (94697) 1 MODULE (1)
NOTE(S)
(1): The components listed above are not an AIRBUS Kit, the required parts must be ordered as necessary through the given channel.
Equipment for task set A350-A-27-XX-P036-01000-93AB-A OPTION 2 - Replacement of the EHA Procurement address 94697 MOOG INC.
SENECA STREET AND JAMISON ROAD 14052 EAST AURORA
UNITED STATES Phone: +1 716 652 20 00
NOTE(S) Vendor parts are to be procured from the address given above.
ITEM PART No. QTY (UM) KEYWORD DRAWING SEE NOTES CA67006-026 (94697) 1 ACTUATOR (1)
NOTE(S)
(1): The components listed above are not an AIRBUS Kit, the required parts must be ordered as necessary through the given channel.
Referenced parts for task set A350-A-27-XX-P036-01000-93AB-A OPTION 2 - Replacement of the EHA NOTE: T o accomplish this Service Bulletin it is necessary to use the expendable parts listed in the subsequent referenced tasks:
Ref. MP A350-A-27-34-55-00ZZZ-720Z-A E. LIST OF EXISTING PARTS Re-identified parts for task set A350-A-27-XX-P036-01000-93AA-A OPTION 1 - Modification of the EHA PN CA67006-025 in accordance with VSB on aircraft ITEM NEW PART No. KEYWORD ITEM OLD PART No. SEE NOTES CA67006-026 ACTUATOR CA67006-025 (1)
NOTE(S)
(1): Parts are re-identified in accordance with VSB CA67006-27-06.
Interchangeable parts for task set A350-A-27-XX-P036-01000-93AA-A OPTION 1 - Modification of the EHA PN CA67006-025 in accordance with VSB on aircraft