AD 2005-12-04

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 757-200, -200PF, and -200CB Series Airplanes

AD Number
2005-12-04
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2005-21358
FR Citation
70 FR 34313

Applicability

TypeManufacturerModelDetails
aircraft Boeing 757-200 Airworthiness Directives; Boeing Model 757-200, -200PF, and -200CB Series Airplanes

Unsafe Condition

Reports of cracks, loose and broken bolts, and shim migration in the joint between the aft torque bulkhead and the strut-to-diagonal brace fitting.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Inspect for damaged sealant around the shim, inspect for signs of shim movement, measure the horizontal and vertical movement of the shim, inspect for signs of movement of the four fasteners in the vertical flange, and detect signs of damaged paint and/or sealant or signs of movement of the 16 fasteners that hold the bulkhead assembly to the horizontal flange of the strut-to-diagonal brace fitting.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within 90 days for unmodified airplanes; for airplanes modified in accordance with Service Bulletin 757-54-0035, initial inspection is due within 6,000 flight cycles/36 months after modification, with a grace period of 3,000 flight cycles/18 months.

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Boeing Model 757-200, -200PF, and -200CB series airplanes.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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