AD Amdt-39-10464

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 747-100, -200, and -300 Series Airplanes

AD Number
Amdt-39-10464
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 98-NM-83-AD
FR Citation
63 FR 17932

Applicability

TypeManufacturerModelDetails
aircraft Boeing 747-100 Airworthiness Directives; Boeing Model 747-100, -200, and -300 Series Airplanes

Unsafe Condition

Fatigue cracking in the vertical chords, midspar webs, and canted closure webs of the wing strut could result in failure of the strut-to-wing interface and consequent separation of the engine and strut from the airplane.

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

Required Actions

Conduct repetitive detailed visual and/or borescope inspections to detect discrepancies in specified areas of the wing strut. Implement optional terminating actions for the repetitive inspections as provided.

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

Compliance Time

Before further flight

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

Affected Aircraft

Boeing Model 747-100, -200, and -300 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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