AD 2004-06-08

final rule
Data completeness: 70%

Airworthiness Directives; Bombardier Model DHC-8-401 and -402 Airplanes

AD Number
2004-06-08
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 2002-NM-120-AD
FR Citation
69 FR 15233

Applicability

TypeManufacturerModelDetails
aircraft Bombardier DHC-8-401 and -402 Airworthiness Directives; Bombardier Model DHC-8-401 and -402 Airplanes

Unsafe Condition

A short circuit on the aileron/rudder trim control panel could cause a runaway condition of the rudder trim actuator, resulting in reduced controllability of the airplane.

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

Required Actions

Modify the wiring of the rudder trim switch. Inspect all wiring on the back of the aileron/rudder trim control panel for chafing. Replace any chafed wiring with new wiring.

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

Compliance Time

Before further flight.

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

Affected Aircraft

Bombardier Model DHC-8-401 and -402 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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