@A300-600

SERVICE BULLETIN

REVISION TRANSMITTAL SHEET

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

MANDATORY MANDATORY MANDATORY

ATA SYSTEM: 32

TITLE: LANDING GEAR - NORMAL EXTENSION AND RETRACTION -

INSPECTION OF UPLOCK SPRINGS

MODIFICATION No.: None

This page transmits Revision No.01 of Service Bulletin No.A300-32-6111

ADDITIONAL WORK

**CONF ALL

No additional work is required by this revision for aircraft modified by any previous issue.

REASON

Revision No. 01 issued:

- modify table 1 threshold value column and repetitive interval value column.

- modify table 2 threshold value column and repetitive interval value column.

- update figures.

CHANGES

SUMMARY

EFFECTIVITY OPERATOR LIST UPDATED R

Fig. A-FSAAA FIGURE SOLUTION UPDATED R

Fig. A-FSAAA Sheet 01 SHEET UPDATED R

Fig. A-FSAAA Sheet 02 SHEET DELETED D

Fig. A-FSCAA FIGURE SOLUTION ADDED N

Fig. A-FSCAA Sheet 01 SHEET ADDED N

Fig. A-FSBAA FIGURE SOLUTION UPDATED R

Fig. A-FSBAA Sheet 01 SHEET UPDATED R

Fig. A-FSBAA Sheet 02 SHEET DELETED D

Fig. A-FSDAA FIGURE SOLUTION ADDED N

Fig. A-FSDAA Sheet 01 SHEET ADDED N

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

REVISION No.: 01 - Apr 25/13 Page: 1

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SERVICE BULLETIN

REVISION TRANSMITTAL SHEET

PLANNING INFORMATION

EFFECTIVITY EFFECTIVITY RELATED INFORMATION

UPDATED

R

Configuration definition

CONF 001 CONFIGURATION DEFINITION UPDATED R

COMPLIANCE

Accomplishment Timescale ACCOMPLISHMENT TIMESCALE UPDATED

CONFIGURATION UPDATED

R

ACCOMPLISHMENT INSTRUCTIONS

Fig. A-FBAAA

Fig. A-FBAAA Sheet 01 SHEET UPDATED R

Fig. A-FBAAA Sheet 02 SHEET UPDATED R

Fig. A-FBBAA

Fig. A-FBBAA Sheet 01 SHEET UPDATED R

Fig. A-FBBAA Sheet 02 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: Jul 20/12

REVISION No. : 01 - Apr 25/13

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

REVISION No.: 01 - Apr 25/13 Page: 2

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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.

MANDATORY MANDATORY MANDATORY

ATA SYSTEM: 32

TITLE: LANDING GEAR - NORMAL EXTENSION AND RETRACTION -

INSPECTION OF UPLOCK SPRINGS

**CONF ALL

MODIFICATIONS

None

REASON/DESCRIPTION/OPERATIONAL CONSEQUENCES

Airbus has analysed in-service events reported by Messier-Bugatti-Dowty concerning some cases of

NLG and MLG Door and Leg Uplock spring ruptures on A300, A310 or A300-600 aircraft.

Springs within the uplock are used to either lock the gear or the door in the up position or to participate

in emergency mechanical unlocking.

The springs are positioned in pairs and in case of rupture of one spring the other one remains to fulfil

the function.

The rupture of one spring has no consequence on the operation of the uplock whereas the rupture of

both springs will disable the locking function or the emergency unlocking function..

This Service Bulletin is published to advise all operators of the issue of MESSIER-BUGATTI-DOWTY

Service Bulletin No. 470-32-206 and MESSIER-BUGATTI-DOWTY Service Bulletin No. 470-32-880.

This Service Bulletin includes a detailed inspection of the NLG and MLG Door and Leg Uplock springs

and replacement in case of finding.

Accomplishment of this Service Bulletin will ensure correct operation of the NLG and MLG Door and

Leg Uplocks.

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

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

REVISION No.: 01 - Apr 25/13 Page: 1

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SERVICE BULLETIN

SUMMARY

EVALUATION TABLE

COST SAVING NO ETOPS AFFECTED NO

STRUCTURAL LIFE EXTN NO VENDOR SB INVOLVED YES

A/C JACKING YES

NOTE (1): Service Bulletin must be accomplished.

NOTE: A/C jacking is necessary if functional tests are required.

MATERIAL PRICE INFORMATION

No Material

EFFECTIVITY

This Service Bulletin is applicable to this (these) operator(s) :

14S 34Z 77T ABD ABR AHK BCS CES F2I FDX G8E I2L IRA

IRM KAC KAL MNB MON MSR MXU OHY QTR RLB SUD TAR THA

TMA U1T UPS URS UZB

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 326111-832-801-001: Inspection

TOTAL MANHOURS 9.00

ELAPSED TIME (HOURS) 9.00

Additional manhours related to Vendor SB; refer to:

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

REVISION No.: 01 - Apr 25/13 Page: 2

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@A300-600

SERVICE BULLETIN

SUMMARY

Task 326111-832-801-001: Inspection

Do a Detailed Inspection of the MLG and MLG Door

Uplock Springs

MESSIER-BUGATTI-DOWTY

Service Bulletin No. 470-32-206

MESSIER-BUGATTI-DOWTY

Service Bulletin No. 470-32-880

Do a Detailed Inspection of the NLG and NLG Door

Uplock Springs

MESSIER-BUGATTI-DOWTY

Service Bulletin No. 470-32-206

MESSIER-BUGATTI-DOWTY

Service Bulletin No. 470-32-880

APPENDICES

Appendix 01 : Inspection Report

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

REVISION No.: 01 - Apr 25/13 Page: 3

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SERVICE BULLETIN

SUMMARY

**CONF ALL

A

LH SIDE SHOWN

RH SIDE SYMMETRICAL

A

A

B

FR47

FR50

FR54

B

B

A A NOTE:

01

01

DEPENDING ON THE PN, THERE ARE 1 PAIR OF

SPRINGS OR 2 PAIRS OF SPRINGS AT THIS POSITION

FREE FALL SPRINGS

SPRINGS ATTACHED TO THE HOOK

(HOOK SPRINGS) AND 

SPRINGS ATTACHED TO THE LEVER

A

Z147 Z148 − 

(LEVER SPRINGS)

D_SB_326111_5_SAAA_01_09

Figure A-FSAAA - Sheet 01

Main Landing Gear Uplock

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

REVISION No.: 01 - Apr 25/13 Page: 4

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@A300-600

SERVICE BULLETIN

SUMMARY

**CONF ALL

A

FR47

FR50

FR54

HOOK SPRINGS TO BE INSPECTED

LH SIDE SHOWN

RH SIDE SYMMETRICAL

B

B

B

A A

A

A

A

Z147 Z148 − 

D_SB_326111_5_SCAA_01_00

Figure A-FSCAA - Sheet 01

Main Landing Gear Door Uplock

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

REVISION No.: 01 - Apr 25/13 Page: 5

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@A300-600

SERVICE BULLETIN

SUMMARY

**CONF ALL

Z123 Z124 − 

A

A

A

A

A A

PAIR OF HOOK SPRINGS TO BE INSPECTED

PAIR OF FREE FALL SPRINGS TO BE INSPECTED

D_SB_326111_5_SBAA_01_02

Figure A-FSBAA - Sheet 01

Nose Landing Gear Uplock

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

REVISION No.: 01 - Apr 25/13 Page: 6

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SERVICE BULLETIN

SUMMARY

**CONF ALL

Z123 Z124 − 

HOOK SPRING TO BE INSPECTED

A

A

A

A

A A

D_SB_326111_5_SDAA_01_00

Figure A-FSDAA - Sheet 01

Nose Landing Gear Door Uplock

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

REVISION No.: 01 - Apr 25/13 Page: 7

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SERVICE BULLETIN

SUMMARY

This Page Intentionally Left Blank

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

REVISION No.: 01 - Apr 25/13 Page: 8

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@A300-600

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

MANDATORY MANDATORY MANDATORY

ATA SYSTEM: 32

TITLE: LANDING GEAR - NORMAL EXTENSION AND RETRACTION -

INSPECTION OF UPLOCK SPRINGS

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

B4-603 B4-605R B4-620 B4-622 B4-622R C4-605R/F C4-620 F4-605R

F4-622R

(2) Effectivity by MSN

0284 0294 0301 0307 0312 0321 0336 0344 0348 0351 0358 0361 0365 0380 0388

0401 0405 0408 0411 0414 0417 0462 0464-0465 0477 0479 0505-0506 0509 0514

0516 0518 0521 0525 0529-0530 0532 0536 0540 0543 0546 0553-0561 0563 0566

0569 0572 0575 0577 0579 0581-0582 0584 0602-0605 0607-0611 0613-0614

0617-0618 0621 0623 0625-0633 0635 0637 0641 0643 0657 0659 0662 0664 0666

0668 0670 0673 0677 0679 0681 0683 0685 0688 0692 0694 0696 0699 0701 0703

0705 0707 0709 0711 0713 0715 0717 0719 0721-0746 0748-0750 0752-0764

0766-0775 0777-0794 0797 0799-0841 0845-0878

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

REVISION No.: 01 - Apr 25/13 Page: 1

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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

14S 0609

34Z 0685 0692 0731

77T 0838

ABD 0529 0557

ABR 0683 0770

AHK 0855 0856 0857 0858 0859 0860 0870 0871

BCS 0602 0617 0621 0637 0641 0670 0679 0703 0711 0724 0729 0730

0737 0740 0753 0783

CES 0521 0525 0532 0707 0725 0732 0741 0746 0754 0763

F2I 0284 0294 0301 0307 0312 0321 0336 0348 0351 0518 0610

FDX 0358 0361 0365 0388 0417 0477 0479 0530 0536 0543 0555 0559

0572 0575 0579 0581 0611 0613 0625 0630 0633 0657 0659 0664

0668 0688 0709 0713 0715 0726 0728 0735 0736 0738 0742 0745

0748 0752 0757 0759 0760 0761 0766 0768 0769 0771 0772 0774

0777 0778 0779 0780 0781 0789 0790 0791 0792 0793 0794 0799

0800 0801 0802 0803 0804 0873 0874 0875 0876 0877 0878

G8E 0462 0465 0506 0509 0514 0516

I2L 0677 0743

IRA 0632 0696 0723 0727

IRM 0380 0401 0405 0408 0411 0414 0546 0553 0608 0618 0623 0701

0750 0762 0773

KAC 0344 0673 0694 0699 0719 0721

KAL 0582 0627 0631 0662

MNB 0734 0739 0755 0756 0758

MON 0540 0556 0604 0605

MSR 0561 0607

MXU 0767 0788 0797 0836 0837

OHY 0584 0603 0744 0749 0764

QTR 0554 0560 0614

RLB 0626 0643

SUD 0666 0775

TAR 0505 0558 0563

THA 0464 0566 0569 0577 0629 0635 0681 0705 0782 0784 0785 0786

0787

TMA 0872

U1T 0628

UPS 0805 0806 0807 0808 0809 0810 0811 0812 0813 0814 0815 0816

0817 0818 0819 0820 0821 0822 0823 0824 0825 0826 0827 0828

0829 0830 0831 0832 0833 0834 0835 0839 0840 0841 0845 0846

0847 0848 0849 0850 0851 0852 0853 0854 0861 0862 0863 0864

0865 0866 0867 0868 0869

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

REVISION No.: 01 - Apr 25/13 Page: 2

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SERVICE BULLETIN

OPERATOR MSN

URS 0733

UZB 0717 0722

(4) Configuration by MSN

MSN CONFIGURATION

0284 0294 0301 0307 0312 0321 0336 0344 0348 0351 0358

0361 0365 0380 0388 0401 0405 0408 0411 0414 0417 0462

0464 0465 0477 0479 0505 0506 0509 0514 0516 0518 0521

0525 0529 0530 0532 0536 0540 0543 0546 0553 0554 0555

0556 0557 0558 0559 0560 0561 0563 0566 0569 0572 0575

0577 0579 0581 0582 0584 0602 0603 0604 0605 0607 0608

0609 0610 0611 0613 0614 0617 0618 0621 0623 0625 0626

0627 0628 0629 0630 0631 0632 0633 0635 0637 0641 0643

0657 0659 0662 0664 0666 0668 0670 0673 0677 0679 0681

0683 0685 0688 0692 0694 0696 0699 0701 0703 0705 0707

0709 0711 0713 0715 0717 0719 0721 0722 0723 0724 0725

0726 0727 0728 0729 0730 0731 0732 0733 0734 0735 0736

0737 0738 0739 0740 0741 0742 0743 0744 0745 0746 0748

0749 0750 0752 0753 0754 0755 0756 0757 0758 0759 0760

0761 0762 0763 0764 0766 0767 0768 0769 0770 0771 0772

0773 0774 0775 0777 0778 0779 0780 0781 0782 0783 0784

0785 0786 0787 0788 0789 0790 0791 0792 0793 0794 0797

0799 0800 0801 0802 0803 0804 0805 0806 0807 0808 0809

0810 0811 0812 0813 0814 0815 0816 0817 0818 0819 0820

0821 0822 0823 0824 0825 0826 0827 0828 0829 0830 0831

0832 0833 0834 0835 0836 0837 0838 0839 0840 0841 0845

0846 0847 0848 0849 0850 0851 0852 0853 0854 0855 0856

0857 0858 0859 0860 0861 0862 0863 0864 0865 0866 0867

0868 0869 0870 0871 0872 0873 0874 0875 0876 0877 0878

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

B. CONCURRENT REQUIREMENTS

None

C. REASON

(1) History

Airbus has analysed in-service events reported by Messier-Bugatti-Dowty concerning

some cases of NLG and MLG Door and Leg Uplock spring ruptures on A300, A310 or

A300-600 aircraft.

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

REVISION No.: 01 - Apr 25/13 Page: 3

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Springs within the uplock are used to either lock the gear or the door in the up position

or to participate in emergency mechanical unlocking.

The springs are positioned in pairs and in case of rupture of one spring the other one

remains to fulfil the function.

The rupture of one spring has no consequence on the operation of the uplock whereas

the rupture of both springs will disable the locking function or the emergency unlocking

function..

(2) Objective/Action

This Service Bulletin is published to advise all operators of the issue of MESSIERBUGATTI-DOWTY Service Bulletin No. 470-32-206 and MESSIER-BUGATTI-DOWTY

Service Bulletin No. 470-32-880.

This Service Bulletin includes a detailed inspection of the NLG and MLG Door and Leg

Uplock springs and replacement in case of finding.

(3) Advantages

Accomplishment of this Service Bulletin will ensure correct operation of the NLG and

MLG Door and Leg Uplocks.

(4) Operational/Maintenance Consequences

None

D. DESCRIPTION

To accomplish this Service Bulletin it is necessary to :

Task 326111-832-801-001: Inspection

(1) Do a Detailed Inspection of the MLG and MLG Door Uplock Springs

(2) Do a Detailed Inspection of the NLG and NLG Door Uplock Springs

(3) Replace the involved MLG door uplock

(4) Replace the involved MLG uplock

(5) Replace the involved NLG door uplock

(6) Replace the involved NLG uplock

E. COMPLIANCE

(1) Classification

MANDATORY: Service Bulletin must be accomplished.

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

REVISION No.: 01 - Apr 25/13 Page: 4

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(2) Accomplishment Timescale

TABLE 1 : DETAILED INSPECTION OF MLG AND MLG DOOR UPLOCK SPRINGS

Condition Action COMPLIANCE TIME

THRESHOLD (whichever

occurs first)

GRACE PERIOD

Repetitive

Interval

Config.001 Apply SUBTASK

326111-832-001 001

Do a Detailed

Inspection of the MLG

and MLG Door Uplock

Springs

18 months from the Service

Bulletin issuance date

None Repeat

this

inspection

SB every

18

months

Spring is

not broken

and not

damaged

None None Repeat

this

inspection

SB every

18

months

Hook

spring is

broken or

damaged

on MLG

door

uplock

Apply SUBTASK

326111-833-001 001

Replace the involved

MLG door uplock

before the next flight 2 months Repeat

this

inspection

SB every

18

months

Free fall

spring is

broken or

damaged

on MLG

uplock

Apply SUBTASK

326111-833-002 001

Replace the involved

MLG uplock

before the next flight 1,000 FC with

inspection every 50

FC, refer SUBTASK

326111-832-001-001

para. (1).(b)

Repeat

this

inspection

SB every

18

months

Two free

fall springs

are broken

or

damaged

on MLG

uplock

Apply SUBTASK

326111-833-002 001

Replace the involved

MLG uplock

before the next flight None Repeat

this

inspection

SB every

18

months

Hook

and/or

Lever

springs are

broken or

damaged

on MLG

uplock

Apply SUBTASK

326111-833-002 001

Replace the involved

MLG uplock

before the next flight 1,000 FC with

inspection every 50

FC, refer SUBTASK

326111-832-001-001

para. (1).(b)

Repeat

this

inspection

SB every

18

months

Table 1

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

REVISION No.: 01 - Apr 25/13 Page: 5

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TABLE 2 : DETAILED INSPECTION OF NLG AND NLG DOOR UPLOCK SPRINGS

Condition Action COMPLIANCE TIME

THRESHOLD (whichever

occurs first)

GRACE PERIOD

Repetitive

Interval

Config.001 Apply SUBTASK

326111-832-002 001

Do a Detailed

Inspection of the NLG

and NLG Door Uplock

Springs

18 months from the Service

Bulletin issuance date

None Repeat

this

inspection

SB every

18 months

Spring is

not broken

and not

damaged

None None Repeat

this

inspection

SB every

18 months

Hook

spring is

broken or

damaged

on NLG

door

uplock

Apply SUBTASK

326111-833-003 001

Replace the involved

NLG door uplock

before the next flight 2 months Repeat

this

inspection

SB every

18 months

Free fall

spring is

broken or

damaged

on NLG

uplock

Apply SUBTASK

326111-833-004 001

Replace the involved

NLG uplock

before the next flight 1,000 FC with

inspection every 50 FC,

refer SUBTASK

326111-832-002-001

para. (2).(b)

Repeat

this

inspection

SB every

18 months

Two free

fall springs

are broken

or

damaged

on NLG

uplock

Apply SUBTASK

326111-833-004 001

Replace the involved

NLG uplock

before the next flight None Repeat

this

inspection

SB every

18 months

Hook

spring is

broken or

damaged

on NLG

uplock

Apply SUBTASK

326111-833-004 001

Replace the involved

NLG uplock

before the next flight 1,000 FC with

inspection every 50 FC,

refer SUBTASK

326111-832-002-001

para. (2).(b)

Repeat

this

inspection

SB every

18 months

Table 2

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 above but reference should be made to the AD for

confirmation of the mandated accomplishment timescale.

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

REVISION No.: 01 - Apr 25/13 Page: 6

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SERVICE BULLETIN

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 326111-832-801-001: Inspection

Get Access 2.00

On Aircraft

Replace the involved MLG door uplock 1.00

Replace the involved MLG uplock 1.00

Replace the involved NLG door uplock 1.00

Replace the involved NLG uplock 1.00

Tests 1.00

Close-Up 2.00

TOTAL MANHOURS 9.00

ELAPSED TIME (HOURS) 9.00

Additional manhours related to Vendor SB; refer to:

Do a Detailed Inspection of the MLG and MLG Door

Uplock Springs

MESSIER-BUGATTI-DOWTY

Service Bulletin No. 470-32-206

MESSIER-BUGATTI-DOWTY

Service Bulletin No. 470-32-880

Do a Detailed Inspection of the NLG and NLG Door

Uplock Springs

MESSIER-BUGATTI-DOWTY

Service Bulletin No. 470-32-206

MESSIER-BUGATTI-DOWTY

Service Bulletin No. 470-32-880

H. WEIGHT AND BALANCE

Not Changed

I. ELECTRICAL LOAD DATA

Not Changed

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

REVISION No.: 01 - Apr 25/13 Page: 7

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SERVICE BULLETIN

J. REFERENCES

Aircraft Maintenance Manual (AMM) 24-00-00 32-12-11 32-22-11

32-31-14 32-31-21 32-31-33

32-31-44

Elec. Std. Practices Manual (ESPM) 20-55-00

Vendor Service Bulletin (VSB) MESSIER-BUGATTI-DOWTY

Service Bulletin No. 470-32-206

MESSIER-BUGATTI-DOWTY

Service Bulletin No. 470-32-880

K. PUBLICATION AFFECTED

Maintenance Planning Document (MPD) 32-31-14

32-31-33

L. INTERCHANGEABILITY/MIXABILITY

Not Applicable

M. SPARES

None

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

REVISION No.: 01 - Apr 25/13 Page: 8

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SERVICE BULLETIN

2. MATERIAL INFORMATION

**CONF ALL

A. MATERIAL - PRICE AND AVAILABILITY

(1) Procurement Addresses

Modification of removed equipment should be negotiated directly with MESSIERBUGATTI-DOWTY as per instructions given in Service Bulletins No. 470-32-206 and

470-32-880.

(2) Price and Availability

No AIRBUS kit will be provided.

Refer to the Vendor Service Bulletins No. 470-32-206 and 470-32-880 for the equipment

modification sales terms.

B. INDUSTRY SUPPORT INFORMATION

Refer to the MESSIER-BUGATTI-DOWTY Service Bulletins No. 470-32-206 and 470-32-880

for the industry support terms of the Vendor Service Bulletin parts and labor.

C. LIST OF COMPONENTS

No Kit

D. LIST OF MATERIALS - OPERATOR SUPPLIED

None

E. PARTS TO BE RE-IDENTIFIED BY OPERATOR

None

F. TOOLING

None

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

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This Page Intentionally Left Blank

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

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SERVICE BULLETIN

3. ACCOMPLISHMENT INSTRUCTIONS

Task 326111-832-801-001 - 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

123 124 147 148

Manpower

TOTAL MANHOURS 9.00

ELAPSED TIME (HOURS) 9.00

Additional manhours related to Vendor SB; refer to:

MESSIER-BUGATTI-DOWTY Service Bulletin No. 470-32-206

MESSIER-BUGATTI-DOWTY Service Bulletin No. 470-32-880

A. GENERAL

(1) Subtask 326111-839-001-001 - Administrative

Manpower Resources

Skills NON SPECIFIC

(a) Write in the applicable aircraft records that you have done all the work given in this

Service Bulletin.

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

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B. PREPARATION

(1) Subtask 326111-941-001-001 - Job Set-up

Manpower Resources

Skills NON SPECIFIC

References

Aircraft Maintenance Manual (AMM) 24-00-00, Page Block 301

32-12-11, Page Block 301

32-22-11, Page Block 301

32-31-14, Page Block 401

32-31-21, Page Block 401

32-31-33, Page Block 401

32-31-44, Page Block 401

(a) Make sure that the aircraft is electrically grounded (Refer to AMM 24-00-00, Page

Block 301).

(b) Put the access platform(s) in position at zones 147, 148, 123 and 124.

(c) Open the NLG doors (Refer to AMM 32-22-11, Page Block 301).

(d) Open the MLG doors (Refer to AMM 32-12-11, Page Block 301).

(e) Do the preparation procedure as specified in the removal of the MLG uplocks and

door uplocks (Refer to AMM 32-31-44, Page Block 401 and AMM 32-31-33, Page

Block 401).

(f) Do the preparation procedure as specified in the removal of the NLG uplocks and

door uplocks (Refer to AMM 32-31-21, Page Block 401 and AMM 32-31-14, Page

Block 401).

C. PROCEDURE

(1) Subtask 326111-832-001-001 - Do a Detailed Inspection of the MLG and MLG Door

Uplock Springs

Work Zones and Access Panels

Zone Access/Work location

147

148

References

Vendor Service Bulletin (VSB) MESSIER-BUGATTI-DOWTY 470-32-206

MESSIER-BUGATTI-DOWTY 470-32-880

Fig. A-FBAAA

Area to be Inspected

Sheet 01

Sheet 02

Fig. A-FFAAA

Flow Chart

Sheet 01

At the threshold given in the Planning Information Paragraph E.(2):

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

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(a) Do a detailed inspection of the springs of the main landing gear door uplocks in

accordance with MESSIER-BUGATTI-DOWTY Service Bulletin No. 470-32-206:

refer to Fig. A-FBAAA Sheet 01, Fig. A-FBAAA Sheet 02 and Fig. A-FFAAA Sheet

01

1 If load check is incorrect:

a Apply SUBTASK 326111-833-001 001 Replace the involved MLG door

uplock

b Send inspection report to AIRBUS.

c Repeat inspection at interval given in planning information paragraph

E.(2).

2 If load check is correct:

a Send inspection report to AIRBUS.

b Repeat inspection at interval given in planning information paragraph

E.(2).

(b) Do a detailed visual inspection of the springs of the main landing gear uplocks in

accordance MESSIER-BUGATTI-DOWTY Service Bulletin No. 470-32-880:

refer to Fig. A-FBAAA Sheet 01, Fig. A-FBAAA Sheet 02 and Fig. A-FFAAA Sheet

01

1 If spring is damaged:

a Apply SUBTASK 326111-833-002 001 Replace the involved MLG uplock

b Send inspection report to AIRBUS.

c Repeat inspection at interval given in planning information paragraph

E.(2).

2 If spring is not damaged

a Send inspection report to AIRBUS.

b Repeat inspection at interval given in planning information paragraph

E.(2).

(2) Subtask 326111-832-002-001 - Do a Detailed Inspection of the NLG and NLG Door

Uplock Springs

Work Zones and Access Panels

Zone Access/Work location

123

124

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

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SERVICE BULLETIN

References

Vendor Service Bulletin (VSB) MESSIER-BUGATTI-DOWTY 470-32-206

MESSIER-BUGATTI-DOWTY 470-32-880

Fig. A-FBBAA

Area to be Inspected

Sheet 01

Sheet 02

Fig. A-FFAAA

Flow Chart

Sheet 01

At the threshold given in the Planning Information Paragraph E.(2):

(a) Do a detailed inspection of the springs of the nose landing gear door uplocks in

accordance with MESSIER-BUGATTI-DOWTY Service Bulletin No. 470-32-206:

refer to Fig. A-FBBAA Sheet 01, Fig. A-FBBAA Sheet 02 and Fig. A-FFAAA Sheet

01

1 If load check is incorrect:

a Apply SUBTASK 326111-833-003 001 Replace the involved NLG door

uplock

b Send inspection report to AIRBUS.

c Repeat inspection at interval given in planning information paragraph

E.(2).

2 If load check is correct:

a Send inspection report to AIRBUS.

b Repeat inspection at interval given in planning information paragraph

E.(2).

(b) Do a detailed inspection of the springs of the nose landing gear uplocks in

accordance with MESSIER-BUGATTI-DOWTY Service Bulletin No. 470-32-880:

refer to Fig. A-FBBAA Sheet 01, Fig. A-FBBAA Sheet 02 and Fig. A-FFAAA Sheet

01

1 If spring is damaged:

a Apply SUBTASK 326111-833-004 001 Replace the involved NLG uplock

b Send inspection report to AIRBUS.

c Reinspect at interval given in planning information paragraph E.(2).

2 If spring is not damaged

a Send inspection report to AIRBUS.

b Reinspect at interval given in planning information paragraph E.(2).

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

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(3) Subtask 326111-833-001-001 - Replace the involved MLG door uplock

Work Zones and Access Panels

Zone Access/Work location

148

147

Manpower Resources

Manhours 1.00

Minimum number of person 1

Subtask elapsed time 1.00

Skills NON SPECIFIC

References

Aircraft Maintenance Manual (AMM) 32-31-33, Page Block 401

(a) Remove the involved MLG door uplock (Refer to AMM 32-31-33, Page Block 401.

(b) Send the involved MLG door uplock in shop for repair.

(c) Install a serviceable MLG door uplock (Refer to AMM 32-31-33, Page Block 401.

(4) Subtask 326111-833-002-001 - Replace the involved MLG uplock

Work Zones and Access Panels

Zone Access/Work location

147

148

Manpower Resources

Manhours 1.00

Minimum number of person 1

Subtask elapsed time 1.00

Skills NON SPECIFIC

References

Aircraft Maintenance Manual (AMM) 32-31-44, Page Block 401

(a) Remove the involved MLG gear uplock (Refer to AMM 32-31-44, Page Block 401).

(b) Send the involved MLG gear uplock in shop for repair.

(c) Install a serviceable MLG gear uplock (Refer to AMM 32-31-44, Page Block 401).

(5) Subtask 326111-833-003-001 - Replace the involved NLG door uplock

Work Zones and Access Panels

Zone Access/Work location

123

124

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

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Manpower Resources

Manhours 1.00

Minimum number of person 1

Subtask elapsed time 1.00

Skills NON SPECIFIC

References

Aircraft Maintenance Manual (AMM) 32-31-14, Page Block 401

(a) Remove the involved NLG door uplock (Refer to AMM 32-31-14, Page Block 401).

(b) Send the involved NLG door uplock in shop for repair.

(c) Install a serviceable NLG door uplock (Refer to AMM 32-31-14, Page Block 401).

(6) Subtask 326111-833-004-001 - Replace the involved NLG uplock

Work Zones and Access Panels

Zone Access/Work location

123

124

Manpower Resources

Manhours 1.00

Minimum number of person 1

Subtask elapsed time 1.00

Skills NON SPECIFIC

References

Aircraft Maintenance Manual (AMM) 32-31-21, Page Block 401

(a) Remove the involved NLG gear uplock (Refer to AMM 32-31-21, Page Block 401).

(b) Send the involved NLG gear uplock in shop for repair.

(c) Install a serviceable NLG gear uplock (Refer to AMM 32-31-21, Page Block 401).

D. TEST

(1) Subtask 326111-700-001-001 - Testing

Manpower Resources

Skills NON SPECIFIC

References

Aircraft Maintenance Manual (AMM) 32-31-14, Page Block 401

32-31-21, Page Block 401

32-31-33, Page Block 401

32-31-44, Page Block 401

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

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(a) If a MLG or a MLG door uplock have been replaced:

Do the test procedure as specified after the installation of MLG uplocks and door

uplocks (Refer to AMM 32-31-44, Page Block 401 and AMM 32-31-33, Page Block

401).

(b) If a NLG or a NLG door uplock have been replaced:

Do the test procedure as specified after the installation of NLG uplocks and door

uplocks (Refer to AMM 32-31-21, Page Block 401 and AMM 32-31-14, Page Block

401).

E. CLOSE-UP

(1) Subtask 326111-942-001-001 - Close-up

Manpower Resources

Skills NON SPECIFIC

References

Aircraft Maintenance Manual (AMM) 32-12-11, Page Block 301

32-22-11, Page Block 301

32-31-14, Page Block 401

32-31-21, Page Block 401

32-31-33, Page Block 401

32-31-44, Page Block 401

(a) Do the close-up procedure as specified in the installation of the MLG uplocks and

door uplocks (Refer to AMM 32-31-44, Page Block 401 and AMM 32-31-33, Page

Block 401).

(b) Do the close-up procedure as specified in the installation of the NLG uplocks and

door uplocks (Refer to AMM 32-31-21, Page Block 401 and AMM 32-31-14, Page

Block 401).

(c) Close the NLG doors (Refer to AMM 32-22-11, Page Block 301).

(d) Close the MLG doors (Refer to AMM 32-12-11, Page Block 301).

(e) Remove the access platform(s).

(f) Restore the aircraft and the systems to normal operating conditions.

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

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**CONF ALL

A

LH SIDE SHOWN

RH SIDE SYMMETRICAL

A

A

B

FR47

FR50

FR54

C

C

B

B

A A NOTE:

01

01

DEPENDING ON THE PN, THERE ARE 1 PAIR OF

SPRINGS OR 2 PAIRS OF SPRINGS AT THIS POSITION

FREE FALL SPRINGS

SPRINGS ATTACHED TO THE HOOK

(HOOK SPRINGS) AND 

SPRINGS ATTACHED TO THE LEVER

A

Z147 Z148 − 

(LEVER SPRINGS)

D_SB_326111_5_BAAA_01_08

Figure A-FBAAA - Sheet 01

Area to be Inspected

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

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**CONF ALL

HOOK SPRINGS TO BE INSPECTED

LH SIDE SHOWN

RH SIDE SYMMETRICAL

B

B

C

B B

D_SB_326111_5_BAAA_02_01

Figure A-FBAAA - Sheet 02

Area to be Inspected

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

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**CONF ALL

Z123 Z124 − 

A

B

A

A

A

A A

PAIR OF HOOK SPRINGS TO BE INSPECTED

PAIR OF FREE FALL SPRINGS TO BE INSPECTED

D_SB_326111_5_BBAA_01_01

Figure A-FBBAA - Sheet 01

Area to be Inspected

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

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**CONF ALL

HOOK SPRING TO BE INSPECTED

B

B

B B

B

D_SB_326111_5_BBAA_02_02

Figure A-FBBAA - Sheet 02

Area to be Inspected

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

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**CONF ALL

QUESTION

ACTION

FINDING

YES OR DAMAGED

SPRINGS BROKEN

AS DESCRIBED IN SUBTASKS 326111−832−001−001

NO

SHOP FOR REPAIR AND REPLACE IT

SEND THE INVOLVED UPLOCK IN

AS DESCRIBED IN SUBTASK(S)

326111−833−001−001

AND/OR 326111−833−002−001

AND/OR 326111−833−003−001

AND/OR 326111−833−004−001

AND DOOR UPLOCK SPRINGS

AT THRESHOLD GIVEN IN THE PLANNING INFORMATION PARAGRAPH 1.E.(2).

DO A DETAILED INSPECTION OF THE MLG AND NLG UPLOCK

NLG UPLOCK AND DOOR UPLOCK SPRINGS

DO A DETAILED INSPECTION OF THE MLG AND 

AND 326111−832−002−001

RE−INSPECT AT INTERVAL GIVEN

IN THE PLANNING INFORMATION

PARAGRAPH 1.E.(2).

D_SB_326111_5_FAAA_01_01

Figure A-FFAAA - Sheet 01

Flow Chart

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

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Appendix 01 : Inspection Report

**CONF ALL

The results of the inspection, including no findings, replacement or actions to be done, must be

forwarded to airbus dept. SEEL3, on the attached inspection report.

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

REVISION No.: 01 - Apr 25/13 Page: 1

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Appendix 01 : Inspection Report

**CONF ALL

INSPECTION REPORT

SERVICE BULLETIN No. :

A/C MSN :

FLIGHT CYCLES :

FLIGHT HOURS :

A300−32−6111

DATE OF INSPECTION :

RETURN TO :

AIRBUS

CUSTOMER SERVICES ENGINEERING − SEEL3

LANDING GEAR SYSTEMS A330/A340 & WIDE BODY

INSPECTION METHOD :

1 ROND POINT MAURICE BELLONTE

31707 BLAGNAC CEDEX

FRANCE

FAX +33 (0)5 61 36 14

QUESTIONS

UPLOCKS

SPRINGS BROKEN

UPLOCK REPLACED

OR DAMAGED

MLG UPLOCK YES NO YES NO

MLG DOOR UPLOCK YES NO YES NO

NLG UPLOCK YES NO YES NO

NLG DOOR UPLOCK YES NO YES NO

WHICH SPRINGS ?

(FREE FALL, HOOK,

LEVER)

D_SB_326111_5_RAAA_01_02

Figure A-FRAAA - Sheet 01

Inspection Report

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

REVISION No.: 01 - Apr 25/13 Page: 2

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REPORTING SHEET

TITLE: LANDING GEAR - NORMAL EXTENSION AND RETRACTION -

INSPECTION OF UPLOCK SPRINGS

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: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

REVISION No.: 01 - Apr 25/13 Page: 1

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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 4321

- Quality rating of the Accomplishment Instructions 4321

- Quality rating of the Illustrations 4321

- 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.

DATE: Jul 20/12 SERVICE BULLETIN No.: A300-32-6111

REVISION No.: 01 - Apr 25/13 Page: 1

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