AD 2012-07-07

Recurring final rule
Data completeness: 80%

Airworthiness Directives; The Boeing Company Airplanes

AD Number
2012-07-07
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2011-0915
FR Citation
77 FR 21426

Applicability

TypeManufacturerModelDetails
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.

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

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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