AD 2001-02-09

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 757-200 Series Airplanes

AD Number
2001-02-09
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 2000-NM-184-AD
FR Citation
66 FR 8077

Applicability

TypeManufacturerModelDetails
aircraft Boeing 757-200 Airworthiness Directives; Boeing Model 757-200 Series Airplanes

Unsafe Condition

Fatigue cracking of the lower spar chord, which could result in reduced structural integrity of the engine strut.

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

Required Actions

Perform an eddy current inspection to detect cracking on the free edge of the tang and of the fastener holes in the lower spar chord. If cracking is found within specified limits, remove midchord channels, stop-drill the cracking, and install a repair. If cracking exceeds specified limits, replace the lower spar chord. The bolt hole inspection terminates the repetitive inspections.

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

Compliance Time

Within 60 days after March 28, 1997, or prior to the accumulation of 15,000 total flight cycles, whichever occurs later.

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

Affected Aircraft

Boeing Model 757-200 series airplanes, line numbers 1 through 736 inclusive, powered by Rolls Royce engines, certificated in any category.

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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