AD 2004-05-21

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Bombardier Model DHC-8-102, -103, -106, -201, -202, -301, -311, and -315 Airplanes

AD Number
2004-05-21
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 2003-NM-258-AD
FR Citation
69 FR 11299

Applicability

TypeManufacturerModelDetails
aircraft Bombardier DHC-8-102 Airworthiness Directives; Bombardier Model DHC-8-102, -103, -106, -201, -202, -301, -311, and -315 Airplanes

Unsafe Condition

Mechanical disconnection of a flap actuator, potentially followed by failure of the flap panel's second actuator due to increased loading, could result in flap asymmetry and loss of controllability.

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

Required Actions

Lubricate the flap actuators, perform repetitive backlash measurements, determine the next measurement interval, and replace discrepant actuators with new or overhauled ones if necessary.

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

Compliance Time

Not specified in the provided text.

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

Affected Aircraft

Bombardier Model DHC-8-102, -103, -106, -201, -202, -301, -311, and -315 airplanes.

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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