AD Amdt-39-10526
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed | L-1011-385 | Airworthiness Directives; Lockheed Model L-1011-385 Series Airplanes |
Unsafe Condition
Fatigue cracking of the rear spar caps, web, skin, and certain fastener holes may progress to lengths greater than predicted, leading to rear spar rupture, wing damage, and fuel spillage.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Reduce repetitive inspection intervals for all required inspections except X-ray inspections. Revise terminating modification provisions for some airplanes to ensure timely detection and correction of fatigue cracking.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Lockheed Model L-1011-385 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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