AD 2017-22-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bombardier | Various | Airworthiness Directives; Bombardier, Inc., Airplanes |
Unsafe Condition
Rubber Bull Gear (RBG) wheels installed in the Horizontal Stabilizer Trim Actuator (HSTA) were manufactured using an incorrect material specification, leading to premature wear-out of the teeth, which could cause difficulties in maneuvering the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the affected RBG wheels in the HSTA.
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Compliance Time
Before further flight
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Affected Aircraft
Bombardier, Inc., Model CL-600-2C10 (Regional Jet Series 700, 701, & 702), Model CL-600-2D15 (Regional Jet Series 705), Model CL-600-2D24 (Regional Jet Series 900), and Model CL-600-2E25 (Regional Jet Series 1000) airplanes.
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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