AD Amdt-39-12317
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 737-200 | Airworthiness Directives; Boeing Model 737-200, -200C, -300, and -400 Series Airplanes |
Unsafe Condition
Fatigue cracking of the corners of the doorframe and the crossbeams of the aft cargo door, which could result in rapid depressurization of the airplane.
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Required Actions
Inspect the corners of the door frame and the cross beams of the aft cargo door using visual and high frequency eddy current (HFEC) methods. Perform corrective actions if cracking is detected. Install a modification to the aft cargo door to terminate repetitive inspection requirements.
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Compliance Time
Within 4,500 flight cycles or one year after May 9, 2000.
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Affected Aircraft
Boeing Model 737-200, -200C, -300, and -400 series airplanes, line numbers 6 through 1642 inclusive, equipped with an aft cargo door having Boeing part number (P/N) 65-47952-1 or P/N 65-47952-524, excluding those modified in accordance with Boeing Service Bulletin 737-52-1079 or those with a door assembly having P/N 65-47952-524 with specific straps and a thicker lower cross beam web.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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