AD 2007-05-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier Model CL-600-2B16 (CL-604) Airplanes and Model CL-600-2B19 (Regional Jet Series 100 & 440) Airplanes |
Unsafe Condition
Reports of trim problems including uncommanded trim, trim in the opposite direction to that selected, loss of trim position indication, and potential loss of trim disconnect capability.
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Required Actions
Revise the airplane flight manual (AFM) to include further procedures for stabilizer trim runaway and related malfunctions. Remove certain AFM revisions. Perform a functional check of the stabilizer trim system. Install circuit breaker identification collars. Implement the previously optional terminating action.
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Compliance Time
Before further flight.
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Affected Aircraft
Bombardier Model CL-600-2B16 (CL-604) airplanes and Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes, including marketing designations RJ100, RJ200, RJ440, CRJ100, CRJ200, CRJ440, and CL-65.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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