AD 2011-24-03

final rule
Data completeness: 70%

Airworthiness Directives; Bombardier, Inc. Airplanes

AD Number
2011-24-03
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2011-0720
FR Citation
76 FR 73481

Applicability

TypeManufacturerModelDetails
aircraft Bombardier Various Airworthiness Directives; Bombardier, Inc. Airplanes
aircraft Aviat Various Airworthiness Directives; Bombardier, Inc. Airplanes

Unsafe Condition

Wear of the door release lever bushing causes increased lateral movement of the release cable system, leading to turnbuckle fouling against the nacelle frame. This could result in failure of the alternate release system, preventing landing gear extension in case of normal system failure.

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

Required Actions

Within 30 days after the effective date, revise the maintenance program to incorporate a new task to prevent excessive free-play of the turnbuckle and cable within the alternate release system.

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

Compliance Time

Within 30 days after the effective date of this AD

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

Affected Aircraft

Bombardier, Inc. Model DHC-8-400, -401, and -402 airplanes, certificated in any category, having serial numbers 4001 and subsequent.

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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