AD 2012-07-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Fractured latch pins found in service, with cracking and subsequent fracture initiated by fatigue and propagated by a combination of fatigue and stress corrosion.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct repetitive general visual inspections for broken or missing latch pins of the lower sills of the forward and aft lower lobe cargo doors. Conduct repetitive detailed inspections for cracking of the latch pins. Take corrective actions if necessary.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 1,600 flight cycles or as specified in the referenced service information.
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Affected Aircraft
The Boeing Company Model 747 airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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