AD 2012-25-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Reports of broken and damaged latch pin retention bolts and subsequent migration of the latch pins of the main deck side cargo door (MDSCD).
Required Actions
Various repetitive inspections of the MDSCD latch pin fittings, measuring the latch pin, and related investigative and corrective actions if necessary. Modifying the latch pin fittings and installing new latch pins and latch pin fasteners.
Compliance Time
Within 6 months after the effective date of this AD, or within 6 months after the date on which the airplane is modified with an MDSCD, whichever occurs later.
Affected Aircraft
The Boeing Company Model 747-100, 747-200B, 747-200C, 747-200F, 747-300, 747-400, 747-400F, and 747SR series airplanes, certificated in any category, as identified in Boeing Alert Service Bulletin 747-52A2294, Revision 1, dated August 16, 2011.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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