AD Amdt-39-11025

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 747 Series Airplanes

AD Number
Amdt-39-11025
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 98-NM-144-AD
FR Citation
64 FR 6189

Applicability

TypeManufacturerModelDetails
aircraft Boeing 747 Airworthiness Directives; Boeing Model 747 Series Airplanes

Unsafe Condition

Fatigue cracking of the outboard nacelle strut skin and spring beam support fittings, as well as cracked or loose fasteners of the support fittings, could result in failure of the outboard nacelle struts and consequent separation of the engine.

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

Required Actions

Inspect the outboard nacelle struts for fatigue cracking of the strut skin and spring beam support fittings, and for cracked or loose fasteners of the support fittings. Perform corrective actions if necessary. Optional terminating action is provided for the repetitive inspection requirements.

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

Affected Aircraft

Boeing Model 747 series airplanes, as specified in the AD.

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

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.