AD 2014-16-23
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Dassault | Aviation | Airworthiness Directives; Dassault Aviation Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Dassault Aviation Airplanes |
Unsafe Condition
An uncontrolled pitch trim runaway during descent, potentially caused by a production defect in the Horizontal Stabilizer Electronic Control Unit (HSECU), which could lead to loss of control of the airplane.
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Required Actions
Modify the fly-by-wire (FBW) standard; perform operational testing of the electric motors reversion relays and trim emergency command of the horizontal stabilizer trim system (HSTS), and make repairs if necessary.
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Compliance Time
Before further flight
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Affected Aircraft
All Dassault Aviation Model FALCON 7X airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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