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A340
SERVICE BULLETIN REV 00 Oct 12/20 A340-27-4213 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.
MANDATORY MANDATORY MANDATORY ATA SYSTEM: 27 TITLE: FLIGHT CONTROLS - TRIMMABLE HORIZONTAL STABILIZER (THS)
HYDRAULIC ACTUATION - INTRODUCE WIRING PROVISION FOR LOAD
SENSING DEVICE (LSD) RETROFIT MODIFICATION No.:
CONF 001 208458S34974 CONF 002-005 208459S34991
A340
SERVICE BULLETIN
SUMMARY REV 00 Oct 12/20 A340-27-4213 Page 2 ATA SYSTEM: 27 TITLE: FLIGHT CONTROLS - TRIMMABLE HORIZONTAL STABILIZER (THS)
HYDRAULIC ACTUATION - INTRODUCE WIRING PROVISION FOR LOAD
SENSING DEVICE (LSD) RETROFIT
CONF ALL
SUMMARY This summary is for information only and is not approved for modification of the aircraft.
A. MODIFICATIONS CONF 001
MODIFICATION CLASSIFICATION MAJOR None MINOR 208458S34974 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 is related to an airworthiness issue and has been re-classified and confirmed by EASA as minor in accordance with EU Part 21.A.91. As such, this is handled by Airbus under the Design Organisation Approval ref. EASA.21J.031.
CONF 002
MODIFICATION CLASSIFICATION MAJOR None MINOR 208459S34991 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 is related to an airworthiness issue and has been re-classified and confirmed by EASA as minor in accordance with EU Part 21.A.91. As such, this is handled by Airbus under the Design Organisation Approval ref. EASA.21J.031.
CONF 003
MODIFICATION CLASSIFICATION MAJOR None MINOR 208459S34991 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 is related to an airworthiness issue and has been re-classified and confirmed by EASA as minor in accordance with EU Part 21.A.91. As such, this is handled by Airbus under the Design Organisation Approval ref. EASA.21J.031.
CONF 004
A340
SERVICE BULLETIN
SUMMARY REV 00 Oct 12/20 A340-27-4213 Page 3
MODIFICATION CLASSIFICATION MAJOR None MINOR 208459S34991 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 is related to an airworthiness issue and has been re-classified and confirmed by EASA as minor in accordance with EU Part 21.A.91. As such, this is handled by Airbus under the Design Organisation Approval ref. EASA.21J.031.
CONF 005
MODIFICATION CLASSIFICATION MAJOR None MINOR 208459S34991 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 is related to an airworthiness issue and has been re-classified and confirmed by EASA as minor in accordance with EU Part 21.A.91. As such, this is handled by Airbus under the Design Organisation Approval ref. EASA.21J.031.
CONF ALL B. REASON
(1) History The Trimmable Horizontal Stabilizer (THS) actuator has a fail-safe design: each attachment, upper and lower, has two load paths. A normally loaded primary load path and a secondary load path, which is only engaged in case of primary load path rupture.
When the secondary load path is engaged, the design purpose was to generate a stall of the unit by friction and to detect it by the position monitoring. It has been demonstrated by test that the upper secondary load path does not stall correctly.
Hence a new device has been developed, called Load Sensing Device (LSD), manufactured by COLLINS Aerospace, which lead to detect the THS actuator upper secondary load path engagement.
The wiring provisions for the connection of the LSD in production are introduced through MOD No. 205978S33729.
(2) Objective/Action This Service Bulletin recommends installing the wiring provision for the LSD.
It implies:
- The installation of specific secure open Circuit Breaker (C/B) (59CS) on the 309PP in the Auxillary Power Unit (APU) Starter Box (5000VE)
- T o modify associated electrical and mechanical installation running from the C/B 59CS into the THS actuator, zone 312.
A340
SERVICE BULLETIN
SUMMARY REV 00 Oct 12/20 A340-27-4213 Page 4
(3) Advantages Accomplishment of this Service Bulletin in conjunction with the Service Bulletin No.
Ref. SB A340-27-4214 will allow immediate detection in case of upper secondary load path engagement. The periodic detailed inspection of THS actuator upper attachments for secondary load path loading will however remain in order to ensure that remote cases of partial loading are also detected.
(4) Operational/Maintenance Consequences None C. GENERAL EVALUATION
EVALUATION TABLE
COMPLIANCE MANDATORY COST SAVING NO
A/C OPERATION
AFFECTED
NO VENDOR SB NO
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 CONF 001 No specific aircraft maintenance configuration required.
CONF 002 No specific aircraft maintenance configuration required.
CONF 003 No specific aircraft maintenance configuration required.
CONF 004 No specific aircraft maintenance configuration required.
CONF 005 No specific aircraft maintenance configuration required.
CONF ALL E. MATERIAL PRICE INFORMATION CONF 001
(1) Modification of the Wiring for LSD
(a) T ask set A340-A-27-XX-4213-01000-93AA-A Modification of the Wiring for LSD
MATERIAL PRICE INFORMATION TABLE
MATERIAL SET QTYPER A/C PRICE PER A/C MAIN PARTS Part kit 274213D01R01 1 18500.00 USD Brackets, clamps, connectors, fasteners, harness Part kit 274213D07R01 1 380.00 USD Circuit breaker, fasteners, placard set, shunt TOTAL 18880.00 USD
A340
SERVICE BULLETIN
SUMMARY REV 00 Oct 12/20 A340-27-4213 Page 5
MATERIAL PRICE INFORMATION TABLE
MATERIAL SET QTYPER A/C PRICE PER A/C MAIN PARTS Components See SB See Note Placard set NOTE: Price information to be obtained from the given supplier.
CONF 002
(1) Modification of the Wiring for LSD
(a) T ask set A340-A-27-XX-4213-01000-93AA-A Modification of the Wiring for LSD
MATERIAL PRICE INFORMATION TABLE
MATERIAL SET QTYPER A/C PRICE PER A/C MAIN PARTS Part kit 274213D02R01 1 17500.00 USD Angle, brackets, clamps, connectors, fasteners, harness Part kit 274213D03R00 1 600.00 USD Brackets, fasteners Part kit 274213D07R01 1 380.00 USD Circuit breaker, fasteners, placard set, shunt TOTAL 18480.00 USD Components See SB See Note Placard set NOTE: Price information to be obtained from the given supplier.
CONF 003
(1) Modification of the Wiring for LSD
(a) T ask set A340-A-27-XX-4213-01000-93AA-A Modification of the Wiring for LSD
MATERIAL PRICE INFORMATION TABLE
MATERIAL SET QTYPER A/C PRICE PER A/C MAIN PARTS Part kit 274213D02R01 1 17500.00 USD Angle, brackets, clamps, connectors, fasteners, harness Part kit 274213D04R00 1 770.00 USD Brackets, fasteners Part kit 274213D07R01 1 380.00 USD Circuit breaker, fasteners, placard set, shunt TOTAL 18650.00 USD Components See SB See Note Placard set NOTE: Price information to be obtained from the given supplier.
CONF 004
(1) Modification of the Wiring for LSD
A340
SERVICE BULLETIN
SUMMARY REV 00 Oct 12/20 A340-27-4213 Page 6
(a) T ask set A340-A-27-XX-4213-01000-93AA-A Modification of the Wiring for LSD
MATERIAL PRICE INFORMATION TABLE
MATERIAL SET QTYPER A/C PRICE PER A/C MAIN PARTS Part kit 274213D02R01 1 17500.00 USD Angle, brackets, clamps, connectors, fasteners, harness Part kit 274213D05R00 1 600.00 USD Brackets, fasteners Part kit 274213D07R01 1 380.00 USD Circuit breaker, fasteners, placard set, shunt TOTAL 18480.00 USD Components See SB See Note Placard set NOTE: Price information to be obtained from the given supplier.
CONF 005
(1) Modification of the Wiring for LSD
(a) T ask set A340-A-27-XX-4213-01000-93AA-A Modification of the Wiring for LSD
MATERIAL PRICE INFORMATION TABLE
MATERIAL SET QTYPER A/C PRICE PER A/C MAIN PARTS Part kit 274213D02R01 1 17500.00 USD Angle, brackets, clamps, connectors, fasteners, harness Part kit 274213D06R00 1 600.00 USD Brackets, fasteners Part kit 274213D07R01 1 380.00 USD Circuit breaker, fasteners, placard set, shunt TOTAL 18480.00 USD Components See SB See Note Placard set NOTE: Price information to be obtained from the given supplier.
CONF ALL F. APPLICABILITY This Service Bulletin is applicable to this (these) operator(s):
01V 06Y 14S 15R 17M 26L 31V 34N 36L 39N 41N 65W 68M 72T 82M 84W 90O 98W ABB ABD AFR AIB ARG AXY BOE DGA DLH EDW F2I GAF HFM HFY IRC IRM KAC KMF LHT M3R MAU MDG MRJ MSR PUE QQE ROI S3R SAA SAS SFB SWR SYR U6A VCV G. CONCURRENT REQUIREMENTS None H. NATURE OF THE WORK CONF 001
(1) Modification of the Wiring for LSD
(a) T ask set A340-A-27-XX-4213-01000-93AA-A Modification of the Wiring for LSD
AIRCRAFT YES
EQUIPMENT YES
A340
SERVICE BULLETIN
SUMMARY REV 00 Oct 12/20 A340-27-4213 Page 7 CONF 002
(1) Modification of the Wiring for LSD
(a) T ask set A340-A-27-XX-4213-01000-93AA-A Modification of the Wiring for LSD
AIRCRAFT YES
EQUIPMENT YES CONF 003
(1) Modification of the Wiring for LSD
(a) T ask set A340-A-27-XX-4213-01000-93AA-A Modification of the Wiring for LSD
AIRCRAFT YES
EQUIPMENT YES CONF 004
(1) Modification of the Wiring for LSD
(a) T ask set A340-A-27-XX-4213-01000-93AA-A Modification of the Wiring for LSD
AIRCRAFT YES
EQUIPMENT YES CONF 005
(1) Modification of the Wiring for LSD
(a) T ask set A340-A-27-XX-4213-01000-93AA-A Modification of the Wiring for LSD
AIRCRAFT YES
EQUIPMENT YES
CONF ALL I. MANPOWER CONF 001
(1) Modification of the Wiring for LSD
(a) T ask set A340-A-27-XX-4213-01000-93AA-A Modification of the Wiring for LSD
MANPOWER TOTAL MAN-HOURS 54.00 h ELAPSED TIME (HOURS) 54.00 h CONF 002
(1) Modification of the Wiring for LSD
(a) T ask set A340-A-27-XX-4213-01000-93AA-A Modification of the Wiring for LSD
MANPOWER TOTAL MAN-HOURS 54.00 h ELAPSED TIME (HOURS) 54.00 h CONF 003
(1) Modification of the Wiring for LSD
A340
SERVICE BULLETIN
SUMMARY REV 00 Oct 12/20 A340-27-4213 Page 8
(a) T ask set A340-A-27-XX-4213-01000-93AA-A Modification of the Wiring for LSD
MANPOWER TOTAL MAN-HOURS 54.00 h ELAPSED TIME (HOURS) 54.00 h CONF 004
(1) Modification of the Wiring for LSD
(a) T ask set A340-A-27-XX-4213-01000-93AA-A Modification of the Wiring for LSD
MANPOWER TOTAL MAN-HOURS 54.00 h ELAPSED TIME (HOURS) 54.00 h CONF 005
(1) Modification of the Wiring for LSD
(a) T ask set A340-A-27-XX-4213-01000-93AA-A Modification of the Wiring for LSD
MANPOWER TOTAL MAN-HOURS 54.00 h ELAPSED TIME (HOURS) 54.00 h
A340
SERVICE BULLETIN
SUMMARY Figure ICN-A340-A-27XX4213-A-FAPE3-01A36-A-002-01 SHEET 1/1 REV 00 Oct 12/20 A340-27-4213General overview Page 9
CONF ALL J. GENERAL OVERVIEW CONF 001 FR87 FR86 FR85 FR84 FR83 FR80 FR91 /82 5871VB /1M 5869VB /1MF 5870VB /2MF A A Z310 ICN-A340-A-27XX4213-A-FAPE3-01A36-A-002-01
A340
SERVICE BULLETIN
SUMMARY Figure ICN-A340-A-27XX4213-A-FAPE3-01A2K-A-001-01 SHEET 1/1 REV 00 Oct 12/20 A340-27-4213General overview Page 10 CONF 002-005 FR87 FR86 FR85 FR84 FR83 FR80 FR91 /82 A 5870VB /2MF 5871VB /1M 5869VB /1MF A Z310 ICN-A340-A-27XX4213-A-FAPE3-01A2K-A-001-01
A340
SERVICE BULLETIN
SUMMARY Figure ICN-A340-A-27XX4213-A-FAPE3-01A2L-A-001-01 SHEET 1/1 REV 00 Oct 12/20 A340-27-4213General overview Page 11
CONF ALL FR73 FR65 Z160
MODIFICATION OF THE APU STARTER BOX ICN-A340-A-27XX4213-A-FAPE3-01A2L-A-001-01
A340
SERVICE BULLETIN REV 00 Oct 12/20 A340-27-4213 Page 12 ATA SYSTEM: 27 TITLE: FLIGHT CONTROLS - TRIMMABLE HORIZONTAL STABILIZER (THS)
HYDRAULIC ACTUATION - INTRODUCE WIRING PROVISION FOR LOAD
SENSING DEVICE (LSD) RETROFIT
1. PLANNING INFORMATION A. APPLICABILITY NOTE: These modifications are applicable by Service Bulletin only.
(1) Models ON A/C 0026, 0031, 0063, 0074, 0075, 0080, 0081 340-211 ON A/C 0009, 0014, 0022, 0038, 0043, 0046, 0061, 0156, 0159, 0178 340-212 ON A/C 0004, 0151, 0204 340-213 ON A/C 0002, 0020, 0029, 0056, 0058, 0078, 0084, 0115 340-311 ON A/C 0041, 0044, 0047, 0051, 0076, 0079, 0091, 0094, 0367, 0374, 0381 340-312 ON A/C 0089, 0090, 0093, 0101, 0104, 0114, 0117, 0123, 0125, 0126, 0128, 0134, 0135, 0139, 0145, 0146, 0149, 0152, 0158, 0163, 0164, 0166, 0168, 0170, 0174, 0175, 0179, 0180, 0185, 0186, 0190, 0192-0194, 0197, 0199, 0201, 0202, 0207, 0208, 0210, 0212-0215, 0217, 0221, 0233, 0236, 0237, 0242, 0243, 0245, 0246, 0252, 0257, 0260, 0264, 0268, 0270, 0274, 0278, 0280, 0282, 0292, 0297, 0302, 0304, 0310, 0318, 0319, 0321, 0325, 0327, 0329, 0331, 0332, 0335, 0347, 0352, 0354, 0355, 0373, 0377-0379, 0385, 0387, 0390, 0395, 0399, 0402, 0406, 0411, 0413, 0415, 0424, 0430, 0433-0435, 0438, 0446, 0447, 0450, 0459, 0467, 0470, 0474, 0483, 0528, 0538, 0541, 0544-0546, 0554, 0556, 0559, 0561, 0562, 0582, 0585, 0590, 0598, 0643, 0646, 0651, 0668, 0793, 0800, 0835, 0844, 0921, 0938, 0955 340-313
CONF ALL
(2) Applicability by MSN 0002 0004 0009 0014 0020 0022 0026 0029 0031 0038 0041 0043 0044 0046 0047 0051 0056 0058 0061 0063 0074-0076 0078-0081 0084 0089-0091 0093 0094 0101 0104 0114 0115 0117 0123 0125 0126 0128 0134 0135 0139 0145 0146 0149 0151 0152 0156 0158 0159 0163 0164 0166 0168 0170 0174 0175 0178-0180 0185 0186 0190 0192-0194 0197 0199 0201 0202 0204 0207 0208 0210 0212-0215 0217 0221 0233 0236 0237 0242 0243 0245 0246 0252 0257 0260 0264 0268 0270 0274 0278 0280 0282 0292 0297 0302 0304 0310 0318 0319 0321 0325 0327 0329 0331 0332 0335 0347 0352 0354 0355 0367 0373 0374 0377-0379 0381 0385 0387 0390 0395 0399 0402 0406 0411 0413 0415 0424 0430 0433-0435 0438 0446 0447 0450 0459 0467 0470 0474 0483 0528 0538 0541 0544-0546 0554 0556 0559 0561 0562 0582 0585 0590 0598 0643 0646 0651 0668 0793 0800 0835 0844 0921 0938 0955
(3) MSN by configuration CONF 001