AD Amdt-39-9325
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier Model CL-600-2B19 (Regional Jet Series 100) Series Airplanes |
Unsafe Condition
Deficiencies in the horizontal stabilizer trim control unit could result in a nose-up trim runaway when a single component in the mach trim circuits fails.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Revise the Airplane Flight Manual to prohibit the use of mach trim and add speed restrictions if the autopilot is disengaged or inoperative. Install an associated placard.
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
Bombardier Model CL-600-2B19 (Regional Jet Series 100) 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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