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@A340-500/600
SERVICE BULLETIN
REVISION TRANSMITTAL SHEET AIRBUS
CUSTOMER SERVICES DIRECTORATE 1 Rond Point Maurice Bellonte 31707 BLAGNAC CEDEX FRANCE T e l:( 3 3 )56 19 33 33 3 Telex : AIRBU 530526F F a x:( 3 3 )56 19 34 25 1
MANDATORY
MANDATORY
MANDATORY ATA SYSTEM: 21 TITLE: AIR CONDITIONING - CABIN PRESSURE CONTROL SYSTEM-
INSPECTION-SAFETY VALVE DESIGN LIFE EXCEEDANCE MODIFICATION No.: None This page transmits Revision No.01 of Service Bulletin No.A340-21-5044
ADDITIONAL WORK **CONF ALL No additional work is required by this revision for aircraft modified by any previous issue.
REASON Revision No. 01 issued to modify the inspection flow chart and to modify accomplishment timescale.
CHANGES
FRONT MATTER
AIR CONDITIONING - CABIN
PRESSURE CONTROL SYSTEM-
INSPECTION-SAFETY VALVE DESIGN
LIFE EXCEEDANCE
SB TITLE UPDATED R
SUMMARY
REASON/DESCRIPTION/OPERATIONAL
CONSEQUENCES
REASON UPDATED R
EFFECTIVITY
OPERATOR LIST UPDATED R
MANPOWER
MANPOWER UPDATED R
PLANNING INFORMATION
EFFECTIVITY
EFFECTIVITY RELATED INFORMATION
UPDATED R REASON History
HISTORY UPDATED R Advantages
ADVANTAGES UPDATED R Operational/Maintenance Consequences
OPERATIONAL/MAINTENANCE CONSEQUENCES
UPDATED R DATE: Nov 17/11 SERVICE BULLETIN No.: A340-21-5044 REVISION No.: 01 - Apr 10/13 Page: 1 6 Printed in FRANCE © AIRBUS S.A.S. 2007. All rights reserved.
@A340-500/600
SERVICE BULLETIN
REVISION TRANSMITTAL SHEET
COMPLIANCE Accomplishment Timescale
ACCOMPLISHMENT TIMESCALE UPDATED R
MANPOWER
MANPOWER UPDATED R
REFERENCES
REFERENCED DOCUMENTATION UPDATED R
PUBLICATION AFFECTED
PUBLICATIONS AFFECTED UPDATED R
ACCOMPLISHMENT INSTRUCTIONS TASK 215044- 832-848-001-Inspection
TASK SOLUTION UPDATED
NOTE UPDATED R Task associated data - 001
REFERENCED DOCUMENTATION UPDATED R Subtask 215044-832-201-001
SUBTASK SOLUTION UPDATED
CONFIGURATION UPDATED
FIGURE REFERENCE UPDATED
REFERENCED DOCUMENTATION UPDATED
NOTE UPDATED R Subtask 215044-835-201-001
SUBTASK SOLUTION ADDED N Fig. A-GFAAA Fig. A-GFAAA Sheet 01
SHEET UPDATED R Fig. A-GRAAA Fig. A-GRAAA Sheet 01
SHEET UPDATED R
FILLING 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.
HISTORY OF PREVIOUS REVISIONS No previous revision
REVISION SEQUENCE ORIGINAL: Nov 17/11 REVISION No. : 01 - Apr 10/13 DATE: Nov 17/11 SERVICE BULLETIN No.: A340-21-5044 REVISION No.: 01 - Apr 10/13 Page: 2 6 Printed in FRANCE © AIRBUS S.A.S. 2007. All rights reserved.
@A340-500/600
SERVICE BULLETIN
SUMMARY AIRBUS
CUSTOMER SERVICES DIRECTORATE 1 Rond Point Maurice Bellonte 31707 BLAGNAC CEDEX FRANCE T e l:( 3 3 )56 19 33 33 3 Telex : AIRBU 530526F F a x:( 3 3 )56 19 34 25 1 This summary is for information only and is not approved for modification of the aircraft.
MANDATORY
MANDATORY
MANDATORY ATA SYSTEM: 21 TITLE: AIR CONDITIONING - CABIN PRESSURE CONTROL SYSTEM-
INSPECTION-SAFETY VALVE DESIGN LIFE EXCEEDANCE **CONF ALL
MODIFICATIONS None
REASON/DESCRIPTION/OPERATIONAL CONSEQUENCES The Cabin Pressure Control System (CPCS) safety valves, installed on the aft pressure bulkhead, are parts of the pressure control and monitoring syst em. They prevent too muc h positive or negative differential pressure in the fuselage.
The service life of the safety valve with Part Number (PN) 7012-18088 and 7012-18088-03 is limited to
50.000 Flight Hours (FH) or 12 years.
This Inspection Service Bulletin details the work required to identify the safety valves having exceeded the service life limits. This Service Bulletin is also issued to advise all operators of A340-500/600 aircraft of the issue of Nord-Micro Service Bulletin No.18088-21-002.
This Inspection Service Bulletin will identify valves having exceeded 50.000 FH or 12 years in order to ensure application of the restoration task to extend the service life to additional 50.000 FH or 12 years or to ensure replacement of safety valves by serviceable safety valves. Furthermore, the reliability of the pressure control and monitoring system will be increased.
Accomplishment of A340 MRBR task 21.31.00/09 constitutes compliance with requirements of this Service Bulletin.
GENERAL EVALUATION
EVALUATION TABLE
COMPLIANCE MANDATORY (1)
CANCELS INSPECTION SB NO
POTENTIAL AD YES
A/C OPERATION AFFECTED NO
RELIABILITY AFFECTED NO
PAX COMFORT AFFECTED NO
COST SAVING YES
LROPS AFFECTED NO DATE: Nov 17/11 SERVICE BULLETIN No.: A340-21-5044 REVISION No.: 01 - Apr 10/13 Page: 1 6 Printed in FRANCE © AIRBUS S.A.S. 2007. All rights reserved.
@A340-500/600
SERVICE BULLETIN
SUMMARY
EVALUATION TABLE
STRUCTURAL LIFE EXTN NO
VENDOR SB INVOLVED YES NOTE
(1) : Service Bulletin must be accomplished.
MATERIAL PRICE INFORMATION No Material
EFFECTIVITY This Service Bulletin is applicable to this (these) operator(s) :
06U 25R 36V 70U 72W AHY
CES CHH DLH ETD HFY IBE QAF
QTR SAA SIA TAM THA UAE VIR
CONCURRENT REQUIREMENTS None
REFERENCES / REPERCUSSIONS TFU None OEB None AOT None SIL None
LINE MAINTENANCE AFFECTED No
LIFE LIMIT None OTHER None
NATURE OF THE WORK
AIRCRAFT YES
EQUIPMENT YES HARD NO SOFT NO OBRM NO
MANPOWER Task 215044-832-848-001: Inspection
TOTAL MANHOURS
5.00
ELAPSED TIME (HOURS)
5.00 Additional manhours relat ed to Vendor SB; refer to:
Restoration of safety valve Nord-Micro Service Bulletin No.
18088-21-002
APPENDICES None DATE: Nov 17/11 SERVICE BULLETIN No.: A340-21-5044 REVISION No.: 01 - Apr 10/13 Page: 2 6 Printed in FRANCE © AIRBUS S.A.S. 2007. All rights reserved.
@A340-500/600
SERVICE BULLETIN
SUMMARY **CONF ALL FR80 FR72 316HL 318HL317HL A A Z270 F_SB_215044_6_SAAA_01_00 Figure A-G SAAA - S heet 01 DATE: Nov 17/11 SERVICE BULLETIN No.: A340-21-5044 REVISION No.: 01 - Apr 10/13 Page: 3 6 Printed in FRANCE © AIRBUS S.A.S. 2007. All rights reserved.
@A340-500/600
SERVICE BULLETIN
SUMMARY This Page Intentionally Left Blank DATE: Nov 17/11 SERVICE BULLETIN No.: A340-21-5044 REVISION No.: 01 - Apr 10/13 Page: 4 6 Printed in FRANCE © AIRBUS S.A.S. 2007. All rights reserved.
@A340-500/600
SERVICE BULLETIN AIRBUS
CUSTOMER SERVICES DIRECTORATE 1 Rond Point Maurice Bellonte 31707 BLAGNAC CEDEX FRANCE T e l:( 3 3 )56 19 33 33 3 Telex : AIRBU 530526F F a x:( 3 3 )56 19 34 25 1
MANDATORY
MANDATORY
MANDATORY ATA SYSTEM: 21 TITLE: AIR CONDITIONING - CABIN PRESSURE CONTROL SYSTEM-
INSPECTION-SAFETY VALVE DESIGN LIFE EXCEEDANCE MODIFICATION No.: None This document contains AIRBUS PROPRIETARY INFORMATION and shall at all times remain the property of AIRBUS; no intellectual property right or licence is granted by AIRBUS in connection with any information contained in it. It is delivered on the express condition that said document and the information contained in it shall be treated as confidential, shall not be used for any purpose other than that for which it is hereby delivered. It shall not be disclosed in whole or in part to third parties and shall not be duplicated in any manner (except for the purposes of performing the tasks described hereunder and provided that any recipient of such document shall comply with the conditions herein), without AIRBUS prior written consent.
1. PLANNING INFORMATION **CONF ALL A. EFFECTIVITY
(1) Models 340-541 340-542 340-642
(2) Effectivity by MSN 0371 0376 0383 0391 0394 0410 0416-0417 0426 0431 0436 0440 0445 0449 0453 0457 0460 0464 0468 0471 0475 0478 0482 0485 0488 0492 0495 0499 0514 0517 0520 0523 0531 0534 0537 0540 0543 0547 0557 0560 0563 0566 0569 0572 0575 0577 0580 0583 0586 0601 0604 0606 0608 0611 0615 0617 0619 0622 0624 0626 0628 0630 0639 0672 0677 0681 0685 0689 0694 0698 0702 0706 0710 0715 0719 0723 0727 0736 0740 0744 0748 0753 0757 0761-0768 0771 0775 0779 0783 0787 0790 0794 0798 0804 0812 0829 0837 0846 0848 0870 0886 0894 0897 0902 0910 0912 0917 0924 0929 0933 0953 0960 0972 0981 0987 0993 1005 1017 1030 1040 1079 1091 1102 1122 DATE: Nov 17/11 SERVICE BULLETIN No.: A340-21-5044 REVISION No.: 01 - Apr 10/13 Page: 1 6 Printed in FRANCE © AIRBUS S.A.S. 2007. All rights reserved.
@A340-500/600
SERVICE BULLETIN
(3) Effectivity by Operator The Operator/MSN relationship is provided for information only and is correct at the time of issue in accordance with the information available to AIRBUS. Any future changes resulting from transfer of an aircraft from one operator to another will not be reflected in this list unless the Service Bulletin is revised for another reason.
OPERATOR MSN 06U 1091 1102 25R 0924 36V 0391 0416 70U 0902 72W 0917 AHY 0779 0886 0894 CES 0468 0488 0514 0577 0586 CHH 0436 0453 0475 DLH 0482 0517 0523 0537 0540 0543 0566 0569 0580 0583 0762 0763 0767 0771 0790 0794 0812 0846 0848 0897 0972 0981 0987 1005 ETD 0748 0757 0761 0783 0829 0837 0870 0929 0933 1030 1040 HFY 0910 0912 IBE 0431 0440 0460 0601 0604 0606 0617 0619 0672 0702 0727 0744 0960 0993 1017 1079 1122 QAF 0495 QTR 0715 0740 0766 0798 SAA 0410 0417 0426 0531 0534 0547 0557 0626 0630 SIA 0478 0492 0499 0560 0563 TAM 0445 0464 THA 0624 0628 0677 0681 0689 0698 0710 0719 0775 0953 UAE 0394 0457 0471 0485 0520 0572 0608 0611 0685 0694 VIR 0371 0376 0383 0449 0575 0615 0622 0639 0706 0723 0736 0753 0764 0765 0768 0787 0804
(4) Configuration by MSN MSN
CONFIGURATION 0371 0376 0383 0391 0394 0410 0416 0417 0426 0431 0436 0440 0445 0449 0453 0457 0460 0464 0468 0471 0475 0478 0482 0485 0488 0492 0495 0499 0514 0517 0520 0523 0531 0534 0537 0540 0543 0547 0557 0560 0563 0566 0569 0572 0575 0577 0580 0583 0586 0601 0604 0606 0608 0611 0615 0617 0619 0622 0624 0626 0628 0630 0639 0672 0677 0681 0685 0689 0694 0698 0702 0706 0710 0715 0719 0723 0727 0736 0740 0744 0748 0753 0757 0761 0762 0763 0764 0765 0766 0767 0768 0771 0775 0779 0783 0787 0790 0794 0798 0804 0812 0829 0837 0846 0848 0870 0886 0894 0897 0902 0910 0912 0917 0924 0929 0933 0953 0960 0972 0981 0987 0993 1005 1017 1030 1040 1079 1091 1102 1122 001 DATE: Nov 17/11 SERVICE BULLETIN No.: A340-21-5044 REVISION No.: 01 - Apr 10/13 Page: 2 6 Printed in FRANCE © AIRBUS S.A.S. 2007. All rights reserved.
@A340-500/600
SERVICE BULLETIN
(5) Configuration definition **CONF 001 Config. 001 is valid for all the aircraft given in the effectivity of this inspection Service Bulletin which have three safety valves installed.
(6) Material Effectivity No Material Set B. CONCURRENT REQUIREMENTS None C. REASON
(1) History The Cabin Pressure Control System (CPCS) safety valves, installed on the aft pressure bulkhead, are parts of the pressure contro l and monitoring syst em. They prevent too much positive or negative differential pressure in the fuselage.
The service life of the safety valve with Part Number (PN) 7012-18088 and 7012-18088-03 is limited to 50.000 Flight Hours (FH) or 12 years.
(2) Objective/Action This Inspection Service Bulletin details the work required to identify the safety valves having exceeded the service life limits. This Service Bulletin is also issued to advise all operators of A340-500/600 aircraft of the issue of Nord-Micro Service Bulletin No.18088-21-002.
(3) Advantages This Inspection Service Bulletin will identify valves having exceeded 50.000 FH or 12 years in order to ensure application of the restoration task to extend the service life to additional 50.000 FH or 12 years or to ensure replacement of safety valves by serviceable safety valves. Furthermore, the reliability of the pressure control and monitoring system will be increased.
(4) Operational/Maintenance Consequences Accomplishment of A340 MRBR task 21.31.00/09 constitutes compliance with requirements of this Service Bulletin.
D. DESCRIPTION To accomplish this Service Bulletin it is necessary to :
Task 215044-832-848-001: Inspection
(1) Inspect the safety valve 316HL, 317HL and 318HL
(2) Restoration of safety valve DATE: Nov 17/11 SERVICE BULLETIN No.: A340-21-5044 REVISION No.: 01 - Apr 10/13 Page: 3 6 Printed in FRANCE © AIRBUS S.A.S. 2007. All rights reserved.
@A340-500/600
SERVICE BULLETIN 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 Av iation Safety Agenc y (EASA) will be issued to confirm this classification. It is anticipated that the AD will confirm the (thresholds and/or intervals and/or date) given below but reference should be made to the AD for confirmation of the mandated accomplishment timescale.
Table 1, Config. All - General visual inspection of installed safety valve Condition Action Compliance All aircraft Check the approved maintenance records to determine the safety valve accumulated Flight Hours (FH) and years from first installation on an aircraft.
None The number of Flight Hours (FH) accumulated by the installed CPCS safety valve can be positively established Replace the CPCS safety valve with a CPCS serviceable safety valve Whichever occurs later between
a) and b)
a) before the safety valve has accumulated 50.000 Flight Hours (FH) or 12 years since manufacture or 12 years since last restoration according to VSB 18088-21-002, whichever occurs first or
b) within 26 months after the Service Bulletin issue date The number of Flight Hours (FH) accumulation by the CPCS safety valve cannot be positively established Replace the CPCS safety valve with a CPCS serviceable safety valve Within 26 months after the Service Bulletin issue date CPCS Safety valve is replaced Complete and send the report sheet to AIRBUS Within 3 month after the replacement Definition for a serviceable CPCS safety valve:
A serviceable CPCS safety valve is a safety valve which has accumulated less than 50.000 Flight Hours (FH) and not older than 12 years since manufacture or since last restoration according to VSB 18088-21-002.
F. APPROVAL The technical content of this document is approved under the authority of Design Organisation Approv al No. EASA. 21J.031.
DATE: Nov 17/11 SERVICE BULLETIN No.: A340-21-5044 REVISION No.: 01 - Apr 10/13 Page: 4 6 Printed in FRANCE © AIRBUS S.A.S. 2007. All rights reserved.
@A340-500/600
SERVICE BULLETIN If an aircraft listed in the effectivity 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.
Task 215044-832-848-001: Inspection Get Access
2.00 On Aircraft Inspect the safety valve 316HL, 317HL and 318HL
0.75 Tests
0.25 Close-Up
2.00
TOTAL MANHOURS
5.00
ELAPSED TIME (HOURS)
5.00 Additional manhours relat ed to Vendor SB; refer to:
Restoration of safety valve Nord-Micro Service Bulletin No.
18088-21-002 NOTE : For man-hours required for the accomplishment of this Service Bulletin, refer to Nord-Micro Service Bulletin No. 18088-21-002.
H. WEIGHT AND BALANCE Not Changed I. ELECTRICAL LOAD DATA Not Changed J. REFERENCES Aircraft Maintenance Manual (AMM) 06-20-00 06-31-53 06-40-00 12-34-24 21-31-52 25-22-41 25-33-55 Elec. Std. Practices Manual (ESPM) 20-55-00 Vendor Service B ulletin (VSB) Nord-Micro Service Bulletin No.
18088-21-002 K. PUBLICATION AFFECTED L. INTERCHANGEABILITY/MIXABILITY Not Applicable DATE: Nov 17/11 SERVICE BULLETIN No.: A340-21-5044 REVISION No.: 01 - Apr 10/13 Page: 5 6 Printed in FRANCE © AIRBUS S.A.S. 2007. All rights reserved.
@A340-500/600
SERVICE BULLETIN M. SPARES None DATE: Nov 17/11 SERVICE BULLETIN No.: A340-21-5044 REVISION No.: 01 - Apr 10/13 Page: 6 6 Printed in FRANCE © AIRBUS S.A.S. 2007. All rights reserved.