Commercial 

Airplanes 767

Service Bulletin

Number: 767-57A0126

Original Issue: August 12, 2011

Revision 1: November 09, 2011

ATA System: 5710 5350

SUBJECT: Wing - Center Wing - Lower Underwing Longeron Fitting at FWD Intersection of

Fuselage and Wing Skin - Inspection and Replacement

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BOEING SERVICE BULLETIN 767-57A0126

BLANK PAGE
Commercial 

Airplanes 767

Service Bulletin

Short Form Revision Number: 767-57A0126

Original Issue: August 12, 2011

Revision 1: November 09, 2011

ATA System: 5710 5350

SUBJECT: Wing - Center Wing - Lower Underwing Longeron Fitting at FWD Intersection of

Fuselage and Wing Skin - Inspection and 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 work is necessary on the airplane(s) changed in accordance with the Original Issue of this service bulletin.

REASON FOR REVISION

This revision is sent to change the CONCAVE SELF-ALIGN WASHER part number BACW10CA10CS to

BACW10CA10CCS in Figure 7 Step 11 and in Figure 8 Step 11.

REVISION HISTORY

Original Issue: August 12, 2011

Revision 1: November 09, 2011

EFFECTIVITY

767-200/ -300/ -300F/ -400ER Airplane. Refer to Paragraph 1.A.1., Airplanes, in the Original Issue of this service

bulletin for the list of affected airplane(s).

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:

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1. In Figure 7, Step 11, the part number reads BACW10CA10CS.

2. In Figure 8, Step 11, the part number reads BACW10CA10CS.

CHANGED INFORMATION

The following is the changed information in the service bulletin:

1. In Figure 7, Step 11, the part number must read BACW10CA10CCS.

2. In Figure 8, Step 11, the part number must read BACW10CA10CCS.

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Original Issue: August 12, 2011

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BOEING SERVICE BULLETIN 767-57A0126