AD 2001-11-10

final rule
Data completeness: 70%

Airworthiness Directives; Bombardier Model DHC-8-400 Series Airplanes

AD Number
2001-11-10
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 2001-NM-144-AD
FR Citation
66 FR 30305

Applicability

TypeManufacturerModelDetails
aircraft Bombardier DHC-8-400 Airworthiness Directives; Bombardier Model DHC-8-400 Series Airplanes

Unsafe Condition

Failure of the downlock proximity sensors of the main landing gear (MLG) may result in the MLG failing to extend and providing misleading indications that the MLG has extended.

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

Required Actions

Revise the Normal and Abnormal Sections of the FAA-approved Airplane Flight Manual (AFM) to include procedures for determining if the main landing gear is extended before landing and taking appropriate actions if necessary.

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

Compliance Time

Within 14 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 Model DHC-8-400 series airplanes, serial numbers 4002 and subsequent, certificated in any category.

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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