AD Amdt-39-9708
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 727-100 and -200 | Airworthiness Directives; Boeing Model 727-100 and -200 Series Airplanes With a Main Deck Cargo Door Installed in Accordance With Supplemental Type Certificate (STC) SA1797SO |
Unsafe Condition
Potential failures of the control box and hydraulic pump assembly installed in accordance with STC SA1797SO, which could result in an inadvertent opening of the main deck cargo door during flight, causing major structural damage and possible reduced controllability.
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Required Actions
Inspect internal wires and electrical components of the main deck cargo door control box; modify the wiring and components of the control box; revise the Airplane Flight Manual to impose an operational limitation on the motor pump power relay and pump motor.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
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Affected Aircraft
Boeing Model 727-100 and -200 series airplanes with a main deck cargo door installed per STC SA1797SO.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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