AD 2001-20-12

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 757 Series Airplanes

AD Number
2001-20-12
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 98-NM-225-AD
FR Citation
66 FR 52492

Applicability

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

Unsafe Condition

Fatigue cracking of principal structural elements (PSE) could adversely affect the structural integrity of these airplanes.

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

Required Actions

Revise the Airworthiness Limitations Section of the maintenance manual (757 Airworthiness Limitations Instructions (ALI)) to incorporate certain inspections and compliance times to detect fatigue cracking of principal structural elements (PSE).

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

Compliance Time

Within 12 months of the effective date (November 20, 2001).

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

Affected Aircraft

Boeing Model 757 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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