AD 2000-16-08
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 canted pressure bulkhead at fuselage station (FS) 1212, which could result in blowout of a panel between adjacent stiffeners and consequent cabin depressurization.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform a detailed visual inspection of the entire aft surface of the canted pressure bulkhead at FS 1212 between left buttock line (LBL) 103 and right buttock line (RBL) 103, and an optical inspection using a borescope or other optical device to detect cracking of the web at the fastener rows of the vertical stiffener-to-web. Repeat these inspections at intervals not to exceed 1,000 flight cycles. If any cracking is found, repair or replace the web with a new web prior to further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 60 days after the effective date of this AD or prior to the accumulation of 18,000 total flight cycles, whichever occurs later.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Lockheed Model L-1011-385 series airplanes, serial numbers 1013 through 1250 inclusive, 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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