AD 2014-04-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc. Airplanes |
Unsafe Condition
Burr marks on the primary wheels and cracked rings on the primary wheel shaft on certain horizontal stabilizer trim actuators (HSTAs), which may lead to a disconnect of the pitch trim surface and subsequent loss of pitch control, resulting in loss of control of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect to determine if any HSTA having part number (P/N) 601R92305-5 or vendor P/N 8396-4, with specified serial numbers, is installed. Replace the affected HSTAs as necessary.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 1,000 flight hours or 4 months after the effective date of this AD, whichever occurs first.
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Affected Aircraft
All Bombardier, Inc. Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes, certificated in any category, serial numbers 7003 and subsequent.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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