AD Amdt-39-10913
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 747-400 | Airworthiness Directives; Boeing Model 747-400 Series Airplanes |
| aircraft | Bell | Various | Airworthiness Directives; Boeing Model 747-400 Series Airplanes |
Unsafe Condition
Uncommanded automatic retraction of the leading edge flaps during takeoff, which could seriously degrade liftoff and climb capabilities and result in near-stall conditions at a critical phase of the flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the cam assembly, cam bellcrank assembly, and thrust reverser control switch actuator on all four thrust levers with new components.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model 747-400 series airplanes.
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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