# @A318/A319/A320/A321 SERVICE BULLETIN SUMMARY AIRBUS CUSTOMER SERVICES DIRECTORATE 1 Rond Point Maurice Bellonte 31707 BLAGNAC CEDEX FRANCE Tel : (33) 5 61 93 33 33 Telex : AIRBU 530526F Fax : (33) 5 61 93 42 51 This summary is for information only and is not approved for modification of the aircraft. ATA SYSTEM: 53 

### TITLE: FUSELAGE - FORWARD FUSELAGE - FR35 CIRCUMFERENTIAL JUNCTION - INSPECTION OF 2 ROWS OF 6 FASTENER HOLES BETWEEN STGR 5 AND STGR 6 LH AND RH SIDE **CONF ALL MODIFICATIONS None REASON/DESCRIPTION/OPERATIONAL CONSEQUENCES In Final Assembly Line (FAL), on some aircraft, EN6114V3 fasteners were installed on the upper panel between STR13 left and right sides at FR35. These fasteners have a medium head, thicker than the head of DAN6-6, or ASNA2657V3, or ASNA2043-3 fasteners and leading to a deeper countersink in the upper skin panel which has a reduced thickness. There is an effect on the panel fatigue life. This Service Bulletin recommends inspecting two rows of six fasteners on the affected aircraft between STGR5 and STGR6 LH and RH sides at FR35. Accomplishment of this Service Bulletin will contribute to ensure the structural integrity of the upper panel. GENERAL EVALUATION EVALUATION TABLE COMPLIANCE RECOMMENDED (1) CANCELS INSPECTION SB NO POTENTIAL AD YES A/C OPERATION AFFECTED NO RELIABILITY AFFECTED NO PAX COMFORT AFFECTED NO COST SAVING NO ETOPS AFFECTED NO STRUCTURAL LIFE EXTN NO VENDOR SB INVOLVED NO NOTE (1) : Service Bulletin recommended to be accomplished to prevent significant operational disruptions.

DATE: Mar 17/11 SERVICE BULLETIN No.: A320-53-1244 REVISION No.: 00 - Mar 17/11 Page: 1 5

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# @A318/A319/A320/A321 SERVICE BULLETIN SUMMARY MATERIAL PRICE INFORMATION No Material EFFECTIVITY This Service Bulletin is applicable to this (these) operator(s) :

53U AEE AFL AFR AVA CES CQH CSC CSZ DKH DLH EZY GOW IGO LTU LZB THY VLG VRD WAN 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 NO HARD NO SOFT NO OBRM NO MANPOWER Task 531244-832-801-001: Inspection TOTAL MANHOURS 3.00 ELAPSED TIME (HOURS) 3.00 APPENDICES Appendix 1

DATE: Mar 17/11 SERVICE BULLETIN No.: A320-53-1244 REVISION No.: 00 - Mar 17/11 Page: 2 5

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# @A318/A319/A320/A321 SERVICE BULLETIN SUMMARY
**CONF ALL

FR35 C L

N_SB_531244_5_SAAA_01_00 STGR1LH STGR2LH STGR3LH STGR4LH STGR5LH STGR6LH

STGR10LH STGR9LH STGR8LH STGR7LH STGR10RH STGR10LH FR35

### A

FASTENERS TO BE INSPECTED LH SIDE SHOWN RH SIDE SYMMETRICAL 

## A C L

Figure A-FSAAA - Sheet 01
DATE: Mar 17/11 SERVICE BULLETIN No.: A320-53-1244 REVISION No.: 00 - Mar 17/11 Page: 3 5

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# @A318/A319/A320/A321 SERVICE BULLETIN SUMMARY

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# @A318/A319/A320/A321 SERVICE BULLETIN AIRBUS CUSTOMER SERVICES DIRECTORATE 1 Rond Point Maurice Bellonte 31707 BLAGNAC CEDEX FRANCE Tel : (33) 5 61 93 33 33 Telex : AIRBU 530526F Fax : (33) 5 61 93 42 51 ATA SYSTEM: 53 

### TITLE: FUSELAGE - FORWARD FUSELAGE - FR35 CIRCUMFERENTIAL JUNCTION - INSPECTION OF 2 ROWS OF 6 FASTENER HOLES BETWEEN STGR 5 AND STGR 6 LH AND RH SIDE 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 320-214 320-232 (2) Effectivity by MSN 3456 3503 3516 3529 3591 3597 3611 3631 3696 3698 3714 3719 3775 3777 3780 3782 3786 3797 3805 3812 3870 3907 3909 3913 3922 3929 3946 3953 3975 3979 3991 4010 4012 4014 4027 4034 4043 4046 4064-4065 4084 4093-4094 4097 (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 53U 3812 4065 4094 AEE 3714 AFL 3631 3786 DATE: Mar 17/11 SERVICE BULLETIN No.: A320-53-1244 REVISION No.: 00 - Mar 17/11 Page: 1 5

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# @A318/A319/A320/A321 SERVICE BULLETIN
OPERATOR MSN AFR 3777 4084 AVA 4046 CES 3611 3775 3797 3870 3929 4027 4043 CQH 4093 CSC 3591 CSZ 3456 3696 3698 4010 DKH 4064 DLH 4097 EZY 3805 3909 3913 3922 3946 3953 3975 3979 3991 4012 4014 4034 GOW 3597 IGO 3782 LTU 3516 LZB 3780 THY 3719 VLG 3529 VRD 3503 WAN 3907 (4) Configuration by MSN MSN CONFIGURATION 3456 3503 3516 3529 3591 3597 3611 3631 3696 3698 3714 3719 3775 3777 3780 3782 3786 3797 3805 3812 3870 3907 3909 3913 3922 3929 3946 3953 3975 3979 3991 4010 4012 4014 4027 4034 4043 4046 4064 4065 4084 4093 4094 4097 001
(5) Configuration definition **CONF 001 Config. 001 is valid for all the aircraft given in the effectivity of this Service Bulletin as a standard configuration. (6) Material Effectivity MATERIAL QTY PER A/C SEE NOTES Consumable CMLA01 As required B. CONCURRENT REQUIREMENTS None C. REASON (1) History In Final Assembly Line (FAL), on some aircraft, EN6114V3 fasteners were installed on the upper panel between STR13 left and right sides at FR35.

DATE: Mar 17/11 SERVICE BULLETIN No.: A320-53-1244 REVISION No.: 00 - Mar 17/11 Page: 2 5

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# @A318/A319/A320/A321 SERVICE BULLETIN These fasteners have a medium head, thicker than the head of DAN6-6, or ASNA2657V3, or ASNA2043-3 fasteners and leading to a deeper countersink in the upper skin panel which has a reduced thickness. There is an effect on the panel fatigue life. (2) Objective/Action This Service Bulletin recommends inspecting two rows of six fasteners on the affected aircraft between STGR5 and STGR6 LH and RH sides at FR35. (3) Advantages Accomplishment of this Service Bulletin will contribute to ensure the structural integrity of the upper panel. (4) Operational/Maintenance Consequences None D. DESCRIPTION To accomplish this Service Bulletin it is necessary to : Task 531244-832-801-001: Inspection (1) Special Detailed Inspection of the Fasteners at LH Side (2) Special Detailed Inspection of the Fasteners at RH Side E. COMPLIANCE (1) Classification RECOMMENDED: Service Bulletin recommended to be accomplished to prevent significant operational disruptions. (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. 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.

DATE: Mar 17/11 SERVICE BULLETIN No.: A320-53-1244 REVISION No.: 00 - Mar 17/11 Page: 3 5

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# @A318/A319/A320/A321 SERVICE BULLETIN COMPLIANCE TIME (whichever occurs first) CONDITION ACTION THRESHOLD GRACE PERIOD REPETITIVE INTERVAL NOT TO EXCEED (whichever occurs first) CONF 001 Do a HFEC inspection in accordance with SUBTASK 531244-250-004 001 Special Detailed Inspection of the Fasteners at LH Side and SUBTASK 531244-250-003 001 Special Detailed Inspection of the Fasteners at RH Side . 35,900 Flight Cycles (FC) / 88,100 Flight Hours (FH) - -

Crack is found Contact AIRBUS and apply corrective action defined by AIRBUS Before next flight
- -
No crack is found Do the inspection again. - - 28,100 FC / 56,300 FH 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 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 531244-832-801-001: Inspection Get Access 0.50 On Aircraft Special Detailed Inspection of the Fasteners at LH Side 1.00
DATE: Mar 17/11 SERVICE BULLETIN No.: A320-53-1244 REVISION No.: 00 - Mar 17/11 Page: 4 5

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# @A318/A319/A320/A321 SERVICE BULLETIN Task 531244-832-801-001: Inspection Special Detailed Inspection of the Fasteners at RH Side 1.00 Close-Up 0.50 TOTAL MANHOURS 3.00 ELAPSED TIME (HOURS) 3.00 H. WEIGHT AND BALANCE Not Changed I. ELECTRICAL LOAD DATA Not Changed J. REFERENCES

Aircraft Maintenance Manual (AMM) 12-34-24 Elec. Std. Practices Manual (ESPM) 20-55-00 Non Destructive Test Manual (NTM) 51-10-08 K. PUBLICATION AFFECTED Impact on scheduled maintenance : Refer to Maintenance Planning Document (MPD). L. INTERCHANGEABILITY/MIXABILITY Not Applicable M. SPARES None

DATE: Mar 17/11 SERVICE BULLETIN No.: A320-53-1244 REVISION No.: 00 - Mar 17/11 Page: 5 5

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# @A318/A319/A320/A321 SERVICE BULLETIN

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# @A318/A319/A320/A321 SERVICE BULLETIN 2. MATERIAL INFORMATION **CONF ALL A. MATERIAL - PRICE AND AVAILABILITY (1) Procurement Addresses None (2) Price and Availability None B. INDUSTRY SUPPORT INFORMATION AIRBUS will not provide industry support for accomplishment of this Service Bulletin. C. LIST OF COMPONENTS No Kit D. LIST OF MATERIALS - OPERATOR SUPPLIED (1) Consumable Materials Consumable CMLA01 ITEM DESCRIPTION REFERENCE TO CML MAT. No. QTY PER A/C SEE NOTES Solvent General Purpose 11-026 As required (2) Components None (3) Equipment None E. PARTS TO BE RE-IDENTIFIED BY OPERATOR None F. TOOLING None

DATE: Mar 17/11 SERVICE BULLETIN No.: A320-53-1244 REVISION No.: 00 - Mar 17/11 Page: 7 5

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# @A318/A319/A320/A321 SERVICE BULLETIN

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# @A318/A319/A320/A321 SERVICE BULLETIN 3. ACCOMPLISHMENT INSTRUCTIONS Task 531244-832-801-001 - Inspection WARNING : MAKE SURE THAT YOU OBEY ALL THE WARNINGS AND ALL THE CAUTIONS INCLUDED IN THE REFERENCED PROCEDURES. CAUTION : ALWAYS OBEY THE PRECAUTIONS THAT FOLLOW TO KEEP ELECTRICAL WIRING IN A SATISFACTORY CONDITION (ELECTRICALLY AND MECHANICALLY SERVICEABLE) . WHEN YOU DO MAINTENANCE WORK, REPAIRS OR MODIFICATIONS, ALWAYS KEEP ELECTRICAL WIRING, COMPONENTS AND THE WORK AREA AS CLEAN AS POSSIBLE. TO DO THIS : - PUT PROTECTION, SUCH AS PLASTIC SHEETING, CLOTHS, ETC; AS NECESSARY ON WIRING AND COMPONENTS. - REGULARLY REMOVE ALL SHAVINGS, UNWANTED MATERIAL AND OTHER CONTAMINATION. THESE PRECAUTIONS WILL DECREASE THE RISK OF CONTAMINATION AND DAMAGE TO THE ELECTRICAL WIRING INSTALLATION. IN CASE OF CONTAMINATION REFER TO ESPM 20-55-00. Task Associated Data Zone From 230 to 240 Manpower TOTAL MANHOURS 3.00 ELAPSED TIME (HOURS) 3.00 A. GENERAL (1) Subtask 531244-910-001-001 - Standard Practices Manpower Resources Skills NON SPECIFIC Material necessary to do the job Consumable CMLA01 ITEM DESCRIPTION REFERENCE TO CML MAT. No. QTY PER A/C SEE NOTES Solvent General Purpose 11-026 As required (a) Clean the area to be inspected with : Solvent General Purpose 11-026 As required

DATE: Mar 17/11 SERVICE BULLETIN No.: A320-53-1244 REVISION No.: 00 - Mar 17/11 Page: 9 5

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# @A318/A319/A320/A321 SERVICE BULLETIN (2) Subtask 531244-839-001-001 - Administrative Manpower Resources Skills NON SPECIFIC Write in the applicable aircraft records that you have done all the work given in this Service Bulletin. B. PREPARATION (1) Subtask 531244-941-001-001 - Job Set-up Manpower Resources Skills NON SPECIFIC References Aircraft Maintenance Manual (AMM) Task 12-34-24-869-002 (a) Make sure that the aircraft is electrically grounded (Refer to AMM Task 12-34-24-869-002). (b) Put access platform(s) in position. C. PROCEDURE (1) Subtask 531244-250-004-001 - Special Detailed Inspection of the Fasteners at LH Side Work Zones and Access Panels Zone Access/Work location From 230 Work location Frame 35 from Stringer 5 to Stringer 6 To 240 Manpower Resources Manhours 1.00 Minimum number of person 1 Subtask elapsed time 1.00 Skills NON DESTRUCTIVE TESTING References Non Destructive Test Manual (NTM) 51-10-08 Fig. A-FBAAA Area to be Inspected Sheet 01 Sheet 02 Fig. A-FBBAA Flow Chart Sheet 01 (a) For the area to be inspected, refer to Fig. A-FBAAA
.
DATE: Mar 17/11 SERVICE BULLETIN No.: A320-53-1244 REVISION No.: 00 - Mar 17/11 Page: 10 5

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# @A318/A319/A320/A321 SERVICE BULLETIN (b) Do a special detailed inspection (HFEC) as per NTM 51-10-08 of the two rows of six fasteners at FR35 between STGR5 and STGR6 at LH side. Refer to Fig. A-FBBAA
. 1 If crack is found, contact AIRBUS and apply corrective action defined by AIRBUS before next flight. 2 If no crack is found, do the inspection again at interval given in Planning Information Paragraph E.(2). (c) For the inspection report, refer to Appendix 1 . (2) Subtask 531244-250-003-001 - Special Detailed Inspection of the Fasteners at RH Side Work Zones and Access Panels Zone Access/Work location From 230 Work location Frame 35 from Stringer 5 to Stringer 6 To 240 Manpower Resources Manhours 1.00 Minimum number of person 1 Subtask elapsed time 1.00 Skills NON DESTRUCTIVE TESTING References Non Destructive Test Manual (NTM) 51-10-08 Fig. A-FBAAA Area to be Inspected Sheet 01 Sheet 02 Fig. A-FBBAA Flow Chart Sheet 01 (a) For the area to be inspected, refer to Fig. A-FBAAA
. (b) Do a special detailed inspection (HFEC) as per NTM 51-10-08 of the two rows of six fasteners at FR35 between STGR5 and STGR6 at RH side. Refer to Fig. A-FBBAA
. 1 If crack is found, contact AIRBUS and apply corrective action defined by AIRBUS before next flight. 2 If no crack is found, do the inspection again at interval given in Planning Information Paragraph E.(2). (c) For the inspection report, refer to Appendix 1 .
DATE: Mar 17/11 SERVICE BULLETIN No.: A320-53-1244 REVISION No.: 00 - Mar 17/11 Page: 11 5

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# @A318/A319/A320/A321 SERVICE BULLETIN D. TEST None E. CLOSE-UP (1) Subtask 531244-942-001-001 - Close-up Manpower Resources Skills NON SPECIFIC (a) Make sure that the work areas are clean and clear of tools and other items of equipment. (b) Remove the access platform(s).

DATE: Mar 17/11 SERVICE BULLETIN No.: A320-53-1244 REVISION No.: 00 - Mar 17/11 Page: 12 5

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# @A318/A319/A320/A321 SERVICE BULLETIN

**CONF ALL

FR35 C L

STGR1LH STGR2LH STGR3LH STGR4LH STGR5LH STGR6LH

STGR10LH STGR9LH STGR8LH STGR7LH STGR10RH STGR10LH FR35

### A

LH SIDE SHOWN RH SIDE SYMMETRICAL 

## A C L



### B

N_SB_531244_5_BAAA_01_01 Figure A-FBAAA - Sheet 01 Area to be Inspected DATE: Mar 17/11 SERVICE BULLETIN No.: A320-53-1244 REVISION No.: 00 - Mar 17/11 Page: 13 5

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# @A318/A319/A320/A321 SERVICE BULLETIN

**CONF ALL

LH SIDE SHOWN RH SIDE SYMMETRICAL FR35

STGR5

STGR6

FASTENERS TO BE INSPECTED 

## B **FWD**

**NOTE:** N_SB_531244_5_BAAA_02_01 Figure A-FBAAA - Sheet 02 Area to be Inspected DATE: Mar 17/11 SERVICE BULLETIN No.: A320-53-1244 REVISION No.: 00 - Mar 17/11 Page: 14 5

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# @A318/A319/A320/A321 SERVICE BULLETIN

**CONF ALL

QUESTION ACTION FINDING AS PER NTM 51−10−08 OF THE TWO ROWS OF SIX FASTENERS DO A SPECIAL DETAILED INSPECTION (HFEC INSPECTION) (REFER TO FIG. A−FBAAA) AT THRESHOLD GIVEN IN PLANNING INFORMATION AT FR35 BETWEEN STGR5 AND STGR6 LH AND RH SIDE

CRACK YES

CONTACT AIRBUS AND APPLY CORRECTIVE ACTION DEFINED BY PARAGRAPH E.(2).

NO

DO THE INSPECTION AGAIN AT INTERVAL GIVEN IN PLANNING INFORMATION PARAGRAPH E.(2).

N_SB_531244_5_BBAA_01_02 AIRBUS BEFORE

NEXT FLIGHT

Figure A-FBBAA - Sheet 01 Flow Chart DATE: Mar 17/11 SERVICE BULLETIN No.: A320-53-1244 REVISION No.: 00 - Mar 17/11 Page: 15 5

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# @A318/A319/A320/A321 SERVICE BULLETIN

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# @A318/A319/A320/A321 SERVICE BULLETIN Appendix 1 **CONF ALL (1) The result of the inspection, including no findings, replacement or actions to be done, must be forwarded to AIRBUS Department SEES4, on the attached inspection report sheet.

DATE: Mar 17/11 SERVICE BULLETIN No.: A320-53-1244 REVISION No.: 00 - Mar 17/11 Page: 1 5

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# @A318/A319/A320/A321 SERVICE BULLETIN Appendix 1
**CONF ALL **INSPECTION REPORT** SERVICE BULLETIN No. : A/C MSN : FLIGHT CYCLES : FLIGHT HOURS : A320−53−1244

DATE OF INSPECTION : RETURN TO : AIRBUS CUSTOMER SERVICES ENGINEERING − SEES4 PAX DOORS − FUSELAGE (SA/LA) − WINDOWS −
INSPECTION METHOD : SPECIAL DETAILED INSPECTION CENTER WING BOX (SA/LA) 1 ROND POINT MAURICE BELLONTE 31707 BLAGNAC CEDEX FRANCE FAX +33 (0)5 61 93 36 14

CRACK YES

N_SB_531244_5_AAAA_01_02 LH SIDE RH SIDE 1 NO HOLE No.
YES 2 NO YES 3 NO YES 4 NO YES 5 NO YES 6 NO YES 7 NO YES 8 NO YES 9 NO YES 10 NO YES 11 NO YES 12 NO CRACK DIMENSION LH SIDE RH SIDE 1 HOLE No.

2 3 4 5 6 7 8 9 10 11 12
FOR HOLE NUMBERING REFER TO SHEETS 03 AND 04. **NOTE:** Figure A-FAAAA - Sheet 01 Inspection Report DATE: Mar 17/11 SERVICE BULLETIN No.: A320-53-1244 REVISION No.: 00 - Mar 17/11 Page: 2 5

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# @A318/A319/A320/A321 SERVICE BULLETIN Appendix 1
**CONF ALL

FR35 C L

STGR1LH STGR2LH STGR3LH STGR4LH STGR5LH STGR6LH

STGR10LH STGR9LH STGR8LH STGR7LH STGR10RH STGR10LH FR35

### A

LH SIDE SHOWN RH SIDE SYMMETRICAL 

## A C L

N_SB_531244_5_AAAA_02_00 

### B **C**

Figure A-FAAAA - Sheet 02 Inspection Report DATE: Mar 17/11 SERVICE BULLETIN No.: A320-53-1244 REVISION No.: 00 - Mar 17/11 Page: 3 5

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# @A318/A319/A320/A321 SERVICE BULLETIN Appendix 1
**CONF ALL

REPORT THE DIRECTION OF THE CRACKS ON VIEW B. **NOTE:** FR35

STGR5

STGR6

**FWD** 11 12 10 9 8 7

5 6 4 3 2 1

N_SB_531244_5_AAAA_03_00 LH SIDE 

## B

Figure A-FAAAA - Sheet 03 Inspection Report DATE: Mar 17/11 SERVICE BULLETIN No.: A320-53-1244 REVISION No.: 00 - Mar 17/11 Page: 4 5

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# @A318/A319/A320/A321 SERVICE BULLETIN Appendix 1
**CONF ALL

REPORT THE DIRECTION OF THE CRACKS ON VIEW C. **NOTE:** RH SIDE FR35

STGR5

STGR6 11 12 10 9 8 7

5 6 4 3 2 1



## C **FWD**

N_SB_531244_5_AAAA_04_01 Figure A-FAAAA - Sheet 04 Inspection Report DATE: Mar 17/11 SERVICE BULLETIN No.: A320-53-1244 REVISION No.: 00 - Mar 17/11 Page: 5 5

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# @A318/A319/A320/A321 SERVICE BULLETIN REPORTING SHEET 

### TITLE: FUSELAGE - FORWARD FUSELAGE - FR35 CIRCUMFERENTIAL JUNCTION - INSPECTION OF 2 ROWS OF 6 FASTENER HOLES BETWEEN STGR 5 AND STGR 6 LH AND RH SIDE MODIFICATION No.: None Please complete the appropriate item (A or B): A - SB WILL BE embodied YES/NO (if NO please comment) If YES, aircraft concerned (as per SB effectivity by default) and planned dates (month/year) of embodiment:
B - SB HAS BEEN embodied on aircraft: Operator comments: From Airline: Name/Title: Signature: Date: If operational documentation is affected (see Paragraph 1.K of this SB): If information is needed prior to next normal revision or prior to SB embodiment, please indicate required service(s): Either: Modification Operational Impact (MOI), if available YES/NO Or : Intermediate revision YES/NO Important Information: This SB will only be incorporated in your maintenance and operational documentation if this sheet is returned to Airbus and signed by a duly authorised representative. With the next feasible revision, this will result in - Updating of maintenance documentation to show pre and post SB data. - Updating of maintenance and operational documentation to show post SB data after embodiment. If this SB requires previous or simultaneous accomplishment of other SBs, Airbus shall automatically include them in the manual revisions. Refer to SIL 00-037 for detailed information. Please return this completed sheet to: AIRBUS CUSTOMER SERVICES DIRECTORATE 1 Rond Point Maurice Bellonte 31707 BLAGNAC CEDEX FRANCE Attn: SDC32 Technical Data and Documentation Services FAX: (+33) 5 61 93 28 06 e-mail: sb.reporting@airbus.com or via your Resident Customer Support Office. Alternatively, SB lists via letters or fax are also accepted.

DATE: Mar 17/11 SERVICE BULLETIN No.: A320-53-1244 REVISION No.: 00 - Mar 17/11 Page: 1 5

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# @A318/A319/A320/A321 SERVICE BULLETIN QUALITY PERCEPTION FORM Use this form to tell us what is your perception of the quality of this Service Bulletin. The reported data that you provide us will be used to analyse areas of difficulties and to take corrective action to further improve the quality of our Service Bulletins. We thank you for the time you have taken in completing this form. (Please rate on a scale of 1 to 4, with 4 being the highest score) - Quality rating of this SB 4 3 2 1 - Quality rating of the Accomplishment Instructions 4 3 2 1 - Quality rating of the Illustrations 4 3 2 1 - Is this SB easy to understand ? Y / N If you have had difficulties in the accomplishment of this SB please quote below the area(s) and give a short description of the issue. Planning Material Instructions X Effectivity X Kit content X Preparation X Reason X List of Materials Operator Supplied X Mod/Inspection X Manpower X Industry support X Test X References X Re-identification X Close-Up X Publication X Tooling X Illustrations Comments:

Operator: Date: Name/Title: Please return this form to: AIRBUS CUSTOMER SERVICES DIRECTORATE 1 Rond Point Maurice Bellonte 31707 BLAGNAC CEDEX FRANCE Attn : SEM4 Service Bulletins Management FAX : (33) 5 61 93 42 51 Or via your Resident Customer Support Office.

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