AD 2017-19-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc., Airplanes |
Unsafe Condition
Dormant failures of the pitch feel (PF) and rudder travel limiter actuator (RTLA) back-up modules in the flight control unit (FCU) may not be detected by the existing maintenance task, potentially leading to the inability to maintain minimum control requirements for PF and RTLA, which could create hazardous flight control inputs during flight.
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Required Actions
Perform an operational test of the FCU back-up modules and repair if necessary, in accordance with a method approved by the Manager, New York ACO Branch, FAA.
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Compliance Time
Within 30 days after the effective date of this AD.
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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 6, 2026
Rights: U.S. Government Public Domain
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