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Commercial Airplanes 757 Service Bulletin ALERT Number: 757-27A0153 Original Issue: May 09, 2012 Revision 1: October 29, 2012 ATA System: 2721 SUBJECT: FLIGHT CONTROL - Rudder and Rudder Trim Control System - Rudder Pedal Pushrod Bolt Replacement Export of this technology is controlled under the United States Export Administration Regulations (EAR) (15 CFR 300-774). An export license may be required before it is used for development, production or use by foreign persons from specific countries. The controller of this data has the individual responsibility to abide by all export laws.

9E991ECCN:

BOEING PROPRIETARY, CONFIDENTIAL AND/OR TRADE SECRET Copyright © 2012 Boeing.

Unpublished Work. All Rights Reserved.

Treatment of this document and its content is governed by contract with Boeing. Rights to use this document are licensed on a per aircraft basis and such rights may not be transferable. For more information, contact The Boeing Company.

Boeing, the Boeing signature, the Boeing symbol, 707, 717, 727, 737, 747, 757, 767, 777, 787, Dreamliner™, BBJ, DC-8, DC-9, DC-10, KC-10, KDC-10, MD-10, MD-11, MD-80, MD-88, MD-90, P-8A, Poseidon and Boeing liveries are all trademarks owned by The Boeing Company; and no trademark license is granted in connection with this document unless provided in writing by Boeing. BOEING is a trademark of Boeing Management Company.

Original Issue: May 09, 2012 757-27A0153Revision 1: October 29, 2012 1 of 5

3.0

Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.

Original Issue: May 09, 2012 757-27A0153Revision 1: October 29, 2012 2 of 5 BOEING SERVICE BULLETIN 757-27A0153

ALERTALERT

BLANK PAGE

Commercial Airplanes 757 Service Bulletin ALERT Short Form RevisionNumber: 757-27A0153Original Issue: May 09, 2012 Revision 1: October 29, 2012 ATA System: 2721 SUBJECT: FLIGHT CONTROL - Rudder and Rudder Trim Control System - Rudder Pedal Pushrod Bolt Replacement Revision 1 is sent to change information. Only the changed information is described below. The Original Issue and Revision 1 are necessary to do the service bulletin.

COMPLIANCE INFORMATION RELATED TO THIS REVISION No more work is necessary on the airplanes changed in accordance with the original issue of this service bulletin.

However, Boeing would like to make operators aware of some incorrectly specified washer part numbers in an earlier release of Top Kit 012N8932-21. Washer Part Numbers "NAS1149D0416J", "NAS1149D0432J" and "NAS1149D0463J" had smaller diameter holes in them than was necessary, and thus it was not possible to install them. Boeing subsequently replaced them with washer part numbers "NAS1149D0516J", "NAS1149D0532J" and "NAS1149D0563J" in the later release of Top Kit 012N8932-21. A freeze on the earlier release of the Top kit was initiated by Boeing to prevent operators receiving the kit. But, if any operator installed incorrect part number washers, Boeing recommends that they are replaced with correct Washer P/N's in accordance with Figure 2 of this Service Bulletin Revision at the next convenient maintenance opportunity.

REASON FOR REVISION This revision is sent to correct some washers that were specified in Top Kit 012N8932-21 and to add instructions to remove the rudder pedal housing assembly covers to get better access for the detailed inspection in the work instructions. In addition, information related to the validation of this service bulletin on airplane variable number NT743 has been added.

The data given in Information Notice 757-27A0153 IN 01 is included in this revision.

REVISION HISTORY May 09, 2012Original Issue:

October 29, 2012Revision 1:

EFFECTIVITY All 757-200/200CB/200PF/300 Airplanes. Refer to Paragraph 1.A.1., Airplanes, in the original issue for the list of affected airplanes.

Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.

Original Issue: May 09, 2012 757-27A0153Revision 1: October 29, 2012 3 of 5

APPROVAL This service bulletin was examined by the Federal Aviation Administration (FAA). The changes specified in this service bulletin comply with the applicable regulations and are FAA approved, as well as European Aviation Safety Agency (EASA)/Joint Aviation Authorities (JAA) approved for all EASA/JAA approved airplanes listed in the service bulletin effectivity. This service bulletin and its approval were based on the airplane in its original Boeing delivery configuration or as modified by other approved Boeing changes.

If an airplane has a non-Boeing modification or repair that affects a component or system also affected by this service bulletin, the operator is responsible for obtaining appropriate regulatory agency approval before incorporating this service bulletin.

EXISTING INFORMATION The following is the existing information in the service bulletin:

1. In Summary - Background - Currently there is no validation information which was completed on airplane variable number NT743.

2. In Paragraph 1.C., Reason - Currently there is no validation information which was completed on airplane variable number NT743.

3. In paragraph 2.C.1., Kits/Parts - Top Kit 012N8932-21: The table information reads:

Kit 012N8932 NotesExisting Part Number NameQTYNew Part Number -21

(b)WASHER4NAS1149D0416J

(b)WASHER4NAS1149D0432J

(b)WASHER4NAS1149D0463J

(b) There are more parts than are necessary.

4. In Paragraph 3.B., Work Instructions - Currently the work instructions do not specify to remove and install the captain and the first officer's rudder pedal housing assembly cover for access.

5. In Figure 2, Step 1, the existing washers part numbers are "NAS1149D0416J", "NAS1149D0432J" and "NAS1149D0463J".

CHANGED INFORMATION The following is the changed information in the service bulletin:

1. In Summary - Background - A new paragraph is added that reads:

"As a part of a service bulletin validation program, this change was completed on airplane NT743 by Service Bulletin 757-27A0153 Original Issue. The change completed on airplane NT743 by Service Bulletin 757-27A0153 Original Issue is equivalent to the release of Revision 1 of this service bulletin.

Airplane NT743 has the configuration of a Group 1 airplane".

Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.

Original Issue: May 09, 2012 757-27A0153Revision 1: October 29, 2012 4 of 5 BOEING SERVICE BULLETIN 757-27A0153

ALERTALERT

2. In Paragraph 1.C., Reason - A new paragraph is added that reads:

"As a part of a service bulletin validation program, this change was completed on airplane NT743 by Service Bulletin 757-27A0153 Original Issue. The change completed on airplane NT743 by Service Bulletin 757-27A0153 Original Issue is equivalent to the release of Revision 1 of this service bulletin.

Airplane NT743 has the configuration of a Group 1 airplane".

3. In paragraph 2.C.1., Kits/Parts - Top Kit 012N8932-21: The table now reads:

Kit 012N8932 NotesExisting Part Number NameQTYNew Part Number -21

(b)WASHER4NAS1149D0516J

(b)WASHER4NAS1149D0532J

(b)WASHER4NAS1149D0563J

(b) There are more parts than are necessary.

4. In Paragraph 3.B., Work Instructions - A new step is added after the existing step 6 (page 26) which reads:

If necessary, to get better access, remove the captain and the first officer's rudder pedal housing assembly cover. Refer to 757 AMM 27-21-02 for an accepted procedure.

5. In Paragraph 3.B., Work Instructions, Condition 1 - A new step is added after the existing step 1 (page

27) which reads:

If removed, install the captain and the first officer's rudder pedal housing assembly cover. Refer to 757 AMM 27-21-02 for an accepted procedure.

6. In Figure 2, Step 1, the changed washers part numbers are "NAS1149D0516J", "NAS1149D0532J" and "NAS1149D0563J".

Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.

Original Issue: May 09, 2012 757-27A0153Revision 1: October 29, 2012 5 of 5 BOEING SERVICE BULLETIN 757-27A0153

ALERTALERT