7 DATE : Dec 17/03 SERVICE BULLETIN No. : A330

REVISION No. : 02 — May 11/05 Page : 1 of 

Printed in FRANCE © AIRBUS, 2005 All rights reserved

MANDATORY MANDATORY MAND

ATA SYSTEM : 32

TITLE : LANDING GEAR - MLG - INSPECTION OF THE MLG RETRACTION ACT

PISTON-ROD

MODIFICATION No. : None

This page transmits Revision No. 02 of Service Bulletin No. A330-

ADDITIONAL WORK

Additional work is required by this revision for aircraft ins

initial issue of this Service Bulletin. A detailed visual ins

chromed area of the retraction actuator piston rod every 8 day

to drain water or other fluids from the piston rod which coul

cause future cracks.

REASON

This revision of the Service Bulletin has been issued to show 

the inspection procedures and to include the drainage of wate

fluids from the piston rod. The mandatory accomplishment time

also been added.

CHANGES

SUMMARY :

— REASON/DESCRIPTION/OPERATIONAL CONSEQUENCES

. Statement amended to give additional information and to 

revised inspection procedures of visual inspection, drain 

fluids from the piston rod and ultrasonic inspection. Eva

revised.

— EFFECTIVITY

. Operators BDY, DRI and VLE deleted. Operators 61Y, BWG, 

I2L added.

PLANNING INFORMATION :

— EFFECTIVITY
DATE : Dec 17/03 SERVICE BULLETIN No. : A330

REVISION No. : 02 — May 11/05 Page :

Printed in FRANCE © AIRBUS, 2005 All rights reserved

. 1.C.(2) Statement revised to show visual inspection, dra

other fluids and ultrasonic inspection.

— Advantages

. 1.C.(3) Statement revised to give additional information.

— Operational/Maintenance Consequences

. 1.C.(4) Inspection and draining procedures added.

— DESCRIPTION

. 1.D.(2) Workstep amended.

. 1.D.(3) Workstep amended.

. 1.D.(4) Workstep amended.

. 1.D.(5) Workstep amended.

. 1.D.(6) Workstep amended.

. 1.D.(7) Workstep added.

. 1.D.(8) Workstep added.

. 1.D.(9) Workstep added.

. 1.D.(10) Workstep added.

. 1.D.(11) Workstep added.

. 1.D.(12) Workstep added.

. 1.D.(13) Workstep added.

. 1.D.(14) Workstep added.

— COMPLIANCE

— Accomplishment Timescale

. 1.E.(2) AD (CN) No. F-2004-086 (B) Deleted. Accomplishmen

added.

2
DATE : Dec 17/03 SERVICE BULLETIN No. : A330

REVISION No. : 02 — May 11/05 Page :

Printed in FRANCE © AIRBUS, 2005 All rights reserved

— REFERENCES

. 1.J. AD (CN) Nos. amended. Change AMM 24-00-00 to 12-34-24

— TOOLING - PRICE AND AVAILABILITY

. 2.F. Reference to vendor SB added.

— SPECIAL TOOLS

. 2.G. Reference to vendor SB added.

— Preparation

. 3.A.(1)(a) Change AMM 24-00-00 to 12-34-24.

— INSPECTION

. 3.B. Worksteps amended. Figures 1 and 2 deleted.

— DOCUMENTATION

. 3.E. Workstep amended.

FILING INSTRUCTIONS

This Service Bulletin has been generated electronically and is 

complete document. Replace the complete document.

Put this Revision Transmittal Sheet in front of the Service B

HISTORY OF PREVIOUS REVISIONS

Revision 01 of this Service Bulletin was issued to add a new A

F-2004-086 (B) to supersede AD (CN) No. F-2003-458 (B) and ma

Service Bulletin. This is due to the addition of the repetitiv

inspection of the complete chromed area of the piston rod. Al

opportunity has been taken to update the aircraft effectivity 

the aircraft configurations.

REVISION SEQUENCE

ORIGINAL : Dec 17/03

REVISION No. : 01 — Jun 16/04

REVISION No. : 02 — May 11/05

3
7 DATE : Dec 17/03 SERVICE BULLETIN No. : A330

REVISION No. : 02 — May 11/05 Page : 1 of 

Printed in FRANCE © AIRBUS, 2005 All rights reserved

This summary is for information only

and is not approved for modification of the aircraf

MANDATORY MANDATORY MAND

ATA SYSTEM : 32

TITLE : LANDING GEAR - MLG - INSPECTION OF THE MLG RETRACTION ACT

PISTON-ROD

MODIFICATION No. : None

REASON/DESCRIPTION/OPERATIONAL CONSEQUENCES

A rupture of a MLG retraction actuator piston rod-end has occurre

in-service A330 aircraft. This resulted from internal corrosion a

circumferential cracking around the painted upper end of the pist

A longitudinal crack has also been found on the chromed part of a 

actuator piston-rod. Investigations indicate that the crack start

of corrosion pitting within the piston rod bore.

All Operator Telex. (AOT) No. A330-32A3172 was issued to request 

carry out an ultrasonic inspection of the retraction actuator pis

have been in service for more than six years.

This Service Bulletin has been issued to advise operators of the 

Messier-Dowty Service Bulletin No. A33/34-32-222. This Messier-Dow

Bulletin has been revised to modify the inspection procedures whi

a visual inspection of the chromed area of the piston rods for cr

draining of water or other fluids from the piston rods which coul

cause future cracks and the ultrasonic inspection of the inner su

piston rods for corrosion pitting and/or cracks of piston rods tha

service for three years or more.

This Service Bulletin supersedes AOT A330-32A3172.

The accomplishment of this Service Bulletin makes sure that the M

actuator rod has no cracks and is free of any internal corrosion 

could cause cracks.

Original issue of this Service Bulletin was rendered Mandatory by 

Directive (AD) (Consigne de Navigabilite (CN)) No. F-2003-458 (B)
DATE : Dec 17/03 SERVICE BULLETIN No. : A330

REVISION No. : 02 — May 11/05 Page :

Printed in FRANCE © AIRBUS, 2005 All rights reserved

A third in-service retraction actuator piston rupture has occurre

first rupture, this failure resulted from internal corrosion and c

cracking around the painted upper end of the piston rod.

Subsequently, another piston rod has been found in operation with 

crack in the chromium plated part of the piston rod. Investigatio

that the crack started from a line of corrosion pitting within th

bore.

EFFECTIVITY

This Service Bulletin is applicable to these operators :

61Y AAR ACA ACI AFR ALK AUA BMA BWG CAL CPA CRL CRX CYP DAH DAT D

EIN ETD EVA FWI GFA GIA GRL HDA I2L IWD IYE KAL LDI LTU LXR MAS M

NVR NWA PAL QAF QFA QTR SAS SEU SSV TAM TCX THA TSC UAE USA VKG

CONCURRENT REQUIREMENTS

None

REFERENCES/REPERCUSSIONS

TFU : 32.31.46.008

OEB : None

AOT : A330-32A3172

SIL : None

LIFE LIMIT : None

LINE MAINTENANCE AFFECTED : No

OTHERS : OIT 999.0129/03/CL, OIT 999.0034/0

EVALUATION TABLE

COMPLIANCE Mandatory CANCELS INSPECTION S

POTENTIAL AD Yes A/C OPERATION AFFECT

RELIABILITY AFFECTED Yes PAX COMFORT AFFECTED 

COST SAVING No ETOPS AFFECTED 

STRUCTURAL LIFE EXTN No VENDOR SB INVOLVED 

KIT PRICE (USD) No kit

2
DATE : Dec 17/03 SERVICE BULLETIN No. : A330

REVISION No. : 02 — May 11/05 Page :

Printed in FRANCE © AIRBUS, 2005 All rights reserved

MANPOWER

Inspection access

NOTE : * For the inspection manhours, refer to the Messier-Dowty 

Bulletin No. A33/34-32-222.

MATERIAL INFORMATION

AIRCRAFT DATA

None

APPENDICES

None

TOTAL MANHOURS 

ELAPSED TIME (HOURS) 

3
7 DATE : Dec 17/03 SERVICE BULLETIN No. : A330

REVISION No. : 02 — May 11/05 Page : 1 of 

Printed in FRANCE © AIRBUS, 2005 All rights reserved

MANDATORY MANDATORY MAND

ATA SYSTEM : 32

TITLE : LANDING GEAR - MLG - INSPECTION OF THE MLG RETRACTION ACT

PISTON-ROD

MODIFICATION No. : None

This document contains AIRBUS PROPRIETARY INFORMATION and shall a

remain the property of AIRBUS; no intellectual property right or 

granted by AIRBUS in connection with any information contained in 

delivered on the express condition that said document and the inf

contained in it shall be treated as confidential, shall not be us

purpose other than that for which it is hereby delivered. It shal

disclosed in whole or in part to third parties and shall not be d

any manner (except for the purposes of performing the tasks descr

and provided that any recipient of such document shall comply wit

conditions herein), without AIRBUS' prior written consent.

1. PLANNING INFORMATION

A. EFFECTIVITY

(1) Models

330-201 330-202 330-203 330-223 330-243 330-301 330-

330-321 330-322 330-323 330-341 330-342 330-343

(2) Aircraft

(a) Effectivity by MSN

This Service Bulletin is applicable to aircraft 

0012 0017 0030 0037 0045 0050 0054 0055 0059 00

0064-0067 0069-0073 0077 0082 0083 0086 0087 009

0098-0100 0102 0106 0107 0109-0113 0116 0118-01

0138 0140 0143 0144 0148 0153 0155 0162 0165 01

0181 0183 0184 0188 0189 0191 0195 0198 0200 020

0209 0211 0219 0222-0224 0226 0229-0232 0234 02

0244 0247-0251 0253-0256 0258 0259 0261 0262 02

0271 0272 0275-0277 0279 0281 0283-0288 0290 029

0299-0301 0303 0305 0306 0308 0309 0311-0317 03

0326 0328 0330 0333 0334 0337-0340 0342-0346 034

0356-0358 0361 0362 0364-0366 0368-0370 0372 03
DATE : Dec 17/03 SERVICE BULLETIN No. : A330

REVISION No. : 02 — May 11/05 Page :

Printed in FRANCE © AIRBUS, 2005 All rights reserved

0605 0607 0609 0610 0612 0614 0616 0618 0620 06

0627 0629 0631 0632 0633 0634 0635 0636 0637 06

0642

(b) Effectivity by Operator

The Operator/MSN relationship is provided for in

and is correct at the time of issue in accordan

information available to AIRBUS. Any future cha

from transfer of an aircraft from one operator t

not be reflected in this list unless the Service 

revised for another reason.

OPERATOR MSN

61Y 0308 0312

AAR 0640

ACA 0277 0279 0284 0344 0400 0408 0412 0

ACI 0507 0510

AFR 0422 0443 0448 0458 0465 0481 0498 0

0516 0519 0567 0584

ALK 0303 0306 0311 0313

AUA 0181 0195 0223 0317

BMA 0398 0401 0404

BWG 0305

CAL 0602 0607 0641

CPA 0012 0017 0071 0083 0099 0102 0109 0

0155 0244 0386 0389 0393 0418 0420 0

0539 0548 0565

CRL 0285 0320

CRX 0229 0249 0275 0288 0291 0294 0299 0

CYP 0505 0526

DAH 0054

DAT 0030 0037 0045

DLH 0322 0324 0570 0576 0579 0629 0636 0

DRD 0205 0211

2
DATE : Dec 17/03 SERVICE BULLETIN No. : A330

REVISION No. : 02 — May 11/05 Page :

Printed in FRANCE © AIRBUS, 2005 All rights reserved

EVA 0530 0535 0555 0573 0587 0634

FWI 0240 0253

GFA 0276 0281 0286 0287 0334 0340

GIA 0138 0140 0144 0148 0153 0165

GRL 0230

HDA 0098 0106 0132 0177 0234 0405 0407 0

I2L 0339

IWD 0072 0461

IYE 0625 0632

KAL 0162 0172 0206 0219 0222 0226 0241 0

0338 0350 0351 0368 0425 0428 0484 0

LDI 0551 0597 0627

LTU 0082 0120 0127 0403 0432 0444 0454 0

LXR 0087 0096

MAS 0067 0069 0073 0077 0095 0100 0107 0

0143 0255 0262 0290 0296 0300

MEA 0527 0529 0532

MON 0261 0265

MSR 0600 0610

MYT 0266

NVR 0353 0362

NWA 0524 0533 0542 0549 0552 0578 0588 0

0618 0620 0621 0631 0633

PAL 0183 0184 0188 0189 0191 0198 0200 0

QAF 0487 0605

QFA 0506 0508 0513 0522 0553 0558 0564 0

0603

QTR 0441 0463 0473 0489 0504 0511 0521 0

0623 0637 0638

SAS 0496 0497 0515 0568

SEU 0501 0635

SSV 0171

TAM 0247 0466 0472 0477 0486

TCX 0427 0456

3
DATE : Dec 17/03 SERVICE BULLETIN No. : A330

REVISION No. : 02 — May 11/05 Page :

Printed in FRANCE © AIRBUS, 2005 All rights reserved

(c) Effectivity by MSN and Kit/Configuration

No AIRBUS kit is required for the accomplishment 

Service Bulletin.

(3) Spares

Refer to the Messier-Dowty Service Bulletin No. A33/

B. CONCURRENT REQUIREMENTS

None

C. REASON

(1) History

(a) A rupture of a MLG retraction actuator piston ro

occurred on an in-service A330 aircraft. This re

internal corrosion and circumferential cracking 

painted upper end of the piston rod.

Longitudinal cracks have also been found on the 

of a retraction actuator piston-rod. Investigat

that the crack started from a line of corrosion 

the piston rod bore.

Original issue of this Service Bulletin was rend

by Airworthiness Directive (AD) (Consigne de Nav

(CN)) No. F-2003-458 (B).

A second in-service piston rod rupture occurred 

a line of corrosion pitting within the piston-ro

occurrence led to a revision of the requirement 

inspection of the piston-rods chromed area.

Following this second event a new AD (CN) F-2004

issued to supersede AD (CN) No. F-2003-458(B) a

this Service Bulletin at revision 01 and above.

0452 0455 0462 0491 0494 0509 0518 0

USA 0315 0323 0333 0337 0342 0370 0375 0

VKG 0254 0301 0309 0349 0356 0357

4
DATE : Dec 17/03 SERVICE BULLETIN No. : A330

REVISION No. : 02 — May 11/05 Page :

Printed in FRANCE © AIRBUS, 2005 All rights reserved

from a line of corrosion pitting within the pist

(b) All Operator Telex No. A330-32A3172 has been iss

operators to carry out an ultrasonic inspection 

retraction actuator piston-rods that have been 

more than six years.

(2) Objective/Action

This Service Bulletin has been issued to advise oper

issue of the Messier-Dowty Service Bulletin No. A33/3

Messier-Dowty Service Bulletin has been revised to mo

inspection procedures which now require a visual ins

chromed area of the piston rods for cracks, the drai

or other fluids from the piston rods which could fre

future cracks and the ultrasonic inspection of the in

the piston rods for corrosion pitting and/or cracks o

that have been in service for three years or more.

(3) Advantages

(a) The accomplishment of this Service Bulletin make

the MLG retraction actuator rod has no cracks a

any internal corrosion pitting that could cause 

(b) This Service Bulletin supersedes AOT A330-32A31

(4) Operational/Maintenance Consequences

A detail visual inspection of the chromed part of th

actuator piston rod, the procedure to drain water or 

from the piston rod, which could freeze and cause fut

an ultrasonic inspection are to be performed at the 

thresholds and repeat intervals.

D. DESCRIPTION

To accomplish this Service Bulletin it is necessary to:

(1) Get access to the MLG (LH and RH) retraction actuato

NOTE : It is not necessary to raise the aircraft on j

inspection.

(2) Do a detailed visual inspection of the chromed part o

retraction actuator piston rod for cracks in accorda

Messier-Dowty Service Bulletin No. A33/34-32-222.

5
DATE : Dec 17/03 SERVICE BULLETIN No. : A330

REVISION No. : 02 — May 11/05 Page :

Printed in FRANCE © AIRBUS, 2005 All rights reserved

internal volume, before the removal and the return o

retraction actuator in accordance with the Messier-Do

Bulletin No. A33/34-32-222.

(6) Report all retraction actuators rejected during the v

inspection in accordance with the instructions in Me

Service Bulletin No. A33/34-32-222.

(7) Drain the fluid from the retraction actuator piston 

the vent hole in accordance with the Messier-Dowty Se

No. A33/34-32-222.

(8) Repeat the draining and sealing of the vent hole pro

specified intervals given in para 1.E.(2).

(9) Report the results of the retraction actuator draini

proforma at appendix D of Messier-Dowty Service Bull

A33/34-32-222.

(10) Do an ultrasonic inspection of the inner surface of t

actuator piston rod for indications of cracks in acco

the Messier-Dowty Service Bulletin No. A33/34-32-222 

(11) If indications of cracks are found during the ultraso

inspection:

(a) Replace the retraction actuator WITHIN THE NEXT 

depending on the inspection results in accordan

Messier-Dowty Service Bulletin No. A33/34-32-22

or

(b) Replace the retraction actuator BEFORE THE NEXT 

depending on the inspection results in accordan

Messier-Dowty Service Bulletin No. A33/34-32-22

(12) If no cracks are found, do a repeat ultrasonic inspe

specified intervals given in para 1.E.(2).

(13) If a finding requiring the retraction actuator remov

during the ultrasonic inspection, and the piston rod 

been drained, the piston rod vent hole should be re-

retain the contents of the internal volume, before t

the return of the retraction actuator in accordance w

Messier-Dowty Service Bulletin No. A33/34-32-222.

6
DATE : Dec 17/03 SERVICE BULLETIN No. : A330

REVISION No. : 02 — May 11/05 Page :

Printed in FRANCE © AIRBUS, 2005 All rights reserved

Mandatory

(2) Accomplishment Timescale

NOTE : European Aviation Safety Agency (EASA) regulat

expected for this Service Bulletin by the iss

Consigne de Navigabilite (CN) (Airworthiness D

(AD)). It is anticipated that the CN will conf

(thresholds and/or intervals and/or date) give

reference should be made to the CN for confirm

mandated accomplishment timescale.

(a) Visual inspection: - For retraction actuator pi

identified in accordance with Messier-Dowty Serv

No. A33/34-32-222, as soon as they have accumula

years use in service.

1 Do a detailed visual inspection within 8 cale

accordance with Messier-Dowty Service Bullet

A33/34-32-222.

2 Repeat this inspection at an interval not exc

calendar days, in accordance with Messier-Dow

Bulletin No. A33/34-32-222.

(b) Fluid drain and vent hole sealing: - For retract

piston rods identified in accordance with Messie

Service Bulletin No. A33/34-32-222, as soon as t

accumulated three years use in service.

1 Do the procedure to drain fluid from the ret

actuator piston rod internal volume and seal 

within 1,750 Flight Hours (FH), 315 Flight Cy

months whichever occurs first, in accordance 

Messier-Dowty Service Bulletin No. A33/34-32

2 Repeat this procedure at an interval not exce

or 12 months whichever occurs first, in acco

Messier-Dowty Service Bulletin No. A33/34-32

(c) Ultrasonic inspection: - For retraction actuato

identified in accordance with Messier-Dowty Serv

No. A33/34-32-222, as soon as they have accumula

years use in service.

1 Do a detailed visual and ultrasonic inspectio

FH, 250 FC or 4 months whichever occurs first

7
DATE : Dec 17/03 SERVICE BULLETIN No. : A330

REVISION No. : 02 — May 11/05 Page :

Printed in FRANCE © AIRBUS, 2005 All rights reserved

F. APPROVAL

Approved under the authority of the EASA Design Organisat

No. EASA. 21J.031.

If an aircraft listed in the effectivity has a modificatio

embodied that is not of AIRBUS origin, and which affects 

this Service Bulletin, the operator is responsible for ob

approval by its airworthiness authority for any adaptatio

before incorporation of the Service Bulletin.

G. MANPOWER

The manpower estimates given in this Service Bulletin are 

direct labour cost to do the work. These estimates assume 

will be done by experienced personnel, and may need to be 

upwards to suit operator's circumstances. The estimates do 

the time to prepare, plan or inspect the work. Manufactur

procurement of parts and tools, drying times for paints, 

and general administration work are also not included.

NOTE : * For the preparation and inspection man-hours refe

Messier-Dowty Service Bulletin A33/34-32-222.

H. WEIGHT AND BALANCE

Not changed

I. ELECTRICAL LOAD DATA

Not changed

Get access 

Visual inspection 

Drain Fluid from Piston

Rod

Ultrasonic inspection 

Close up 

TOTAL MANHOURS 

ELAPSED TIME (HOURS) 

8
DATE : Dec 17/03 SERVICE BULLETIN No. : A330

REVISION No. : 02 — May 11/05 Page :

Printed in FRANCE © AIRBUS, 2005 All rights reserved

All Operator Telex (AOT) A330-32A3172,

Messier-Dowty Service Bulletin (VSB) A33/34-32-222

Operator Information Telex (OIT) 999.0129/03/CL

Operator Information Telex (OIT) 999.0034/04/CL

K. PUBLICATIONS AFFECTED

None

L. INTERCHANGEABILITY/MIXABILITY

None

9
DATE : Dec 17/03 SERVICE BULLETIN No. : A330

REVISION No. : 02 — May 11/05 Page :

Printed in FRANCE © AIRBUS, 2005 All rights reserved

This Page Intentionally Left Blank

10
DATE : Dec 17/03 SERVICE BULLETIN No. : A330

REVISION No. : 02 — May 11/05 Page :

Printed in FRANCE © AIRBUS, 2005 All rights reserved

(2) Price and Availability

None

B. INDUSTRY SUPPORT INFORMATION

Refer to the Vendor Service Bulletin (VSB) Messier-Dowty 

A33/34-32-222 for the industry support terms.

C. LIST OF COMPONENTS

None

D. LIST OF MATERIALS — OPERATOR SUPPLIED

(1) Consumable Materials

(2) Components

None

E. PARTS TO BE RE—IDENTIFIED BY THE OPERATOR

None

F. TOOLING — PRICE AND AVAILABILITY

Refer to the Vendor Service Bulletin (VSB) Messier-Dowty 

A33/34-32-222.

G. SPECIAL TOOLS

Refer to the Vendor Service Bulletin (VSB) Messier-Dowty 

A33/34-32-222.

DESCRIPTION REFERENCE TO CML

MAT. No.

QTY PER A/C 

Cleaning agent 11-026 As required

11
DATE : Dec 17/03 SERVICE BULLETIN No. : A330

REVISION No. : 02 — May 11/05 Page :

Printed in FRANCE © AIRBUS, 2005 All rights reserved

This Page Intentionally Left Blank

12
DATE : Dec 17/03 SERVICE BULLETIN No. : A330

REVISION No. : 02 — May 11/05 Page :

Printed in FRANCE © AIRBUS, 2005 All rights reserved

— THE FLIGHT CONTROL SURFACES

— THE LANDING GEAR AND RELATED DOORS

— COMPONENTS THAT MOVE.

WARNING : MAKE SURE THAT THE GROUND SAFETY LOCKS ARE CORRE

ON THE LANDING GEAR. THIS PREVENTS UNWANTED MOV

LANDING GEAR.

WARNING : MAKE SURE THAT YOU OBEY ALL WARNINGS AND THE CAU

IN THE REFERENCED PROCEDURES.

(1) Preparation

(a) Make sure that the aircraft is electrically grou

AMM 12-34-24 Page block 201).

(b) Open and safety the main gear doors (Refer to AM

Page block 201).

(c) Put access steps in position, as required.

(d) Make sure that the piston rod of the retraction 

clean, use Cleaning agent (Mat No. 11-026) , as 

(2) Standard Practices

None

B. INSPECTION

(1) MLG (LH and RH) Retraction Actuator - Visual inspect

piston rod:

(a) Do a detailed visual inspection of the chromed 

retraction actuator piston rod for cracks in ac

the Messier-Dowty Service Bulletin No. A33/34-3

(b) If one or more cracks are found during the visua

replace the retraction actuator BEFORE THE NEXT 

to AMM 32-31-46 Page block 401).

(c) If no cracks are found, do a repeat visual inspe

specified intervals given in para 1.E.(2).

13
DATE : Dec 17/03 SERVICE BULLETIN No. : A330

REVISION No. : 02 — May 11/05 Page :

Printed in FRANCE © AIRBUS, 2005 All rights reserved

Messier-Dowty Service Bulletin No. A33/34-32-22

(2) MLG (LH and RH) Retraction Actuator - Drain the fluid 

piston rod and seal the vent hole:

(a) Drain the fluid from the retraction actuator pi

seal the vent hole in accordance with the Messie

Service Bulletin No. A33/34-32-222.

(b) Repeat the draining and sealing of the vent hole 

the specified intervals given in para 1.E.(2).

(c) Report the results of the retraction actuator d

the proforma at appendix D of Messier-Dowty Serv

No. A33/34-32-222.

(3) MLG (LH and RH) Retraction Actuator - Ultrasonic ins

piston rod:

(a) At the upper end of the rod, do an ultrasonic i

the inner surface of the piston rod for indicat

accordance with the Messier-Dowty Service Bullet

A33/34-32-222.

(b) If indications of cracks are found during the u

inspection:

1 Replace the retraction actuator WITHIN THE NE

depending on the inspection results in accord

Messier-Dowty Service Bulletin No. A33/34-32

AMM 32-31-46 Page block 401).

or

2 Replace the retraction actuator BEFORE THE N

depending on the inspection results in accord

Messier-Dowty Service Bulletin No. A33/34-32

AMM 32-31-46 Page block 401).

(c) If no cracks are found, do a repeat ultrasonic 

the specified intervals given in para 1.E.(2).

(d) If a finding requiring the retraction actuator r

during the ultrasonic inspection, and the pisto

yet been drained, the piston rod vent hole shoul

to retain the contents of the internal volume, 

removal and the return of the retraction actuato

14
DATE : Dec 17/03 SERVICE BULLETIN No. : A330

REVISION No. : 02 — May 11/05 Page :

Printed in FRANCE © AIRBUS, 2005 All rights reserved

None

D. CLOSE UP

(1) Make sure that the work area is clean and clear of to

items of equipment.

(2) Remove the access steps.

(3) Close the main gear doors (Refer to AMM 32-12-00 Pag

E. DOCUMENTATION

Write in the applicable aircraft records that you have don

given in the Service Bulletin.

15
7 DATE : Dec 17/03 SERVICE BULLETIN No. : A330

REVISION No. : 02 — May 11/05 Page : 1 of 

Printed in FRANCE © AIRBUS, 2005 All rights reserved

A - SB WILL BE embodied............. YES/NO (if NO p

If YES, aircraft concerned (as per SB effectivity by default) and 

(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 th

information is needed prior to next normal revision or prior to S

please indicate required service(s):

Either: Advance Data..................... YE

Or : Intermediate/Temporary revision............ YE

Important Information: This SB will only be incorporated in your m

operational documentation if this sheet is returned to Airbus and 

duly authorised representative. With the next feasible revision, 

result in

- updating of maintenance documentation to show pre and post S

- updating of maintenance and operational documentation to show 

after embodiment.

If this SB requires previous or simultaneous accomplishment of ot

Airbus shall automatically include them in the manual revisions. 

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

 or via your Resident Customer Support Office.

 Alternatively, SB lists via letters or fax are also accepted.
7 DATE : Dec 17/03 SERVICE BULLETIN No. : A330

REVISION No. : 02 — May 11/05 Page : 1 of 

Printed in FRANCE © AIRBUS, 2005 All rights reserved

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Planning Material Instruct

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