AD 2014-04-08

final rule
Data completeness: 80%

Airworthiness Directives; Bombardier, Inc. Airplanes

AD Number
2014-04-08
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2013-0687
FR Citation
79 FR 11691

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

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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