AD 2023-05-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc., Airplanes |
Unsafe Condition
In case of a flap, slat, or slat-flap failure in flight, resetting the slat flap control unit (SFCU) to clear the error using the airplane flight manual (AFM) could result in the stall protection computer (SPC) setting the low-speed cue to the most conservative stall advance mode instead of that published in the AFM.
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Required Actions
Revising the non-normal procedures section of the existing AFM to provide the flightcrew with procedures for addressing failure warnings in the slat and flap control systems.
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Compliance Time
Before further flight
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Affected Aircraft
Bombardier, Inc., Model BD-700-1A10 and BD-700-1A11 airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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