AD 2011-17-17

final rule
Data completeness: 70%

Airworthiness Directives; Bombardier, Inc. Model DHC-8-400 Series Airplanes

AD Number
2011-17-17
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2011-0151
FR Citation
76 FR 56290

Applicability

TypeManufacturerModelDetails
aircraft Bombardier Various Airworthiness Directives; Bombardier, Inc. Model DHC-8-400 Series Airplanes
aircraft Aviat Various Airworthiness Directives; Bombardier, Inc. Model DHC-8-400 Series Airplanes

Unsafe Condition

Two cases of main landing gear collapse had been reported. Main landing gear collapse may result in unsafe landing of the aircraft.

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

Required Actions

Perform a general visual inspection of the left- and right-hand main landing gear (MLG) system to detect discrepancies and do all applicable corrective actions, in accordance with an approved method. The inspection must be completed before further flight.

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

Compliance Time

Before further flight

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Affected Aircraft

Bombardier, Inc. Model DHC-8-400, -401, and -402 airplanes, certificated in any category, having serial numbers (S/Ns) 4001, 4003, 4004, 4006, and 4008 through 4208 inclusive.

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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