AD 2010-21-02

final rule
Data completeness: 70%

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

AD Number
2010-21-02
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2010-0643
FR Citation
75 FR 61987

Applicability

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

Unsafe Condition

The access panel latch assembly for the landing gear alternate extension system may fail due to repeated closure with excessive force, potentially jamming the access panel closed and preventing immediate access during an emergency.

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

Required Actions

Replace the existing latch assembly with a modified latch assembly, in accordance with Bombardier Service Bulletin 8-32-166, Revision B (for DHC-8-100, -200, and -300 series) or Service Bulletin 84-32-57, Revision A (for DHC-8-400 series).

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

Compliance Time

Within 6,000 flight hours or 36 months after the effective date, whichever comes first.

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

Affected Aircraft

Bombardier, Inc. Model DHC-8 airplanes, including DHC-8-101, -102, -103, -106, -201, -202, -301, -311, -315, -400, -401, and -402, with serial numbers as specified.

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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