AD 94-12-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 737-300 Series | Airworthiness Directives; Boeing Model 737-300 Series Airplanes |
Unsafe Condition
Slight separation between the end hinge shims and the cargo door during pressurization cycles can cause increased bending loads on the door hinge fasteners, leading to fatigue failure of the hinge fasteners, loss of structural integrity of the cargo door hinge, possible loss of the cargo door, and subsequent rapid decompression of the airplane.
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Required Actions
Replace the forward and aft hinge shims and the lower hinge fairings of the main deck cargo door with new shims and fairings in accordance with Pemco Aeroplex Inc. Service Bulletin 737-52-0012. Alternative methods of compliance may be approved by the Manager, Atlanta Aircraft Certification Office.
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Compliance Time
Within 12,000 landings from the date of STC SA2969S0 installation or within 6 months after the effective date of this AD, whichever occurs later.
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Affected Aircraft
Boeing Model 737-300 series airplanes equipped with Pemco Aeroplex main deck cargo door modified under STC SA2969S0, as listed in Service Bulletin 737-52-0012.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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