AD 2017-22-08

final rule
Data completeness: 80%

Airworthiness Directives; Bombardier, Inc., Airplanes

AD Number
2017-22-08
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2017-0562
FR Citation
82 FR 51335

Applicability

TypeManufacturerModelDetails
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.

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, 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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