AD 2014-05-13

Recurring final rule
Data completeness: 90%

Airworthiness Directives; The Boeing Company Airplanes

AD Number
2014-05-13
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2013-0326
FR Citation
79 FR 14982

Applicability

TypeManufacturerModelDetails
aircraft Boeing Company Airworthiness Directives; The Boeing Company Airplanes
engine Rolls-Royce RB211 Airworthiness Directives; The Boeing Company Airplanes

Unsafe Condition

Fatigue cracking in primary strut structure and consequent reduced structural integrity of the strut, due to actual operational loads applied to the nacelle being higher than the analytical loads used during initial design.

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Required Actions

Modify the nacelle strut and wing structure. For certain airplanes, perform repetitive detailed inspections of certain aft bulkhead fasteners for loose or missing fasteners, and take corrective action if necessary. For other airplanes, perform a one-time detailed inspection of the middle gusset of the inboard side load fitting for proper alignment and realign if necessary; perform a one-time eddy current inspection of certain fastener holes for cracking and repair if necessary; and inspect certain fasteners for loose or missing fasteners, replacing with new fasteners if necessary.

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Compliance Time

Within a specified maximum compliance time limit (not detailed in the provided text).

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Affected Aircraft

The Boeing Company 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 4, 2026

Rights: U.S. Government Public Domain

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