AD 2004-12-07

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 757 Series Airplanes Equipped With Rolls Royce RB211 Engines

AD Number
2004-12-07
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 2000-NM-376-AD
FR Citation
69 FR 33561

Applicability

TypeManufacturerModelDetails
aircraft Boeing 757 Airworthiness Directives; Boeing Model 757 Series Airplanes Equipped With Rolls Royce RB211 Engines

Unsafe Condition

Fatigue cracking in primary strut structure and consequent reduced structural integrity of the strut.

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

Required Actions

For certain airplanes, repetitive detailed inspections of certain aft bulkhead fasteners for loose or missing fasteners, with corrective action if necessary. For other airplanes, a one-time detailed inspection of the middle gusset of the inboard side load fitting for proper alignment and realignment if necessary; a one-time eddy current inspection of certain fastener holes for cracking, with repair if necessary; and a detailed inspection of certain fasteners for loose or missing fasteners, with replacement with new fasteners if necessary.

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

Compliance Time

Within 6,000 flight cycles or 36 months, whichever occurs first, for repetitive inspections.

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

Affected Aircraft

Boeing Model 757 series airplanes equipped with Rolls Royce RB211 engines.

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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