AD 2004-05-01

final rule
Data completeness: 70%

Airworthiness Directives; Bombardier Inc. Model Otter DHC-3 Airplanes

AD Number
2004-05-01
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 2000-CE-73-AD
FR Citation
69 FR 9523

Applicability

TypeManufacturerModelDetails
aircraft Bombardier Inc Airworthiness Directives; Bombardier Inc. Model Otter DHC-3 Airplanes

Unsafe Condition

Detachment of the control rod to the elevator servo-tab system, causing elevator servo-tab flutter on airplanes with turbine engines installed.

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

Required Actions

Install a new supplemental type certificate (STC) for an elevator servo-tab with a redundant control linkage. Prohibit operation of affected airplanes unless the new STC is installed.

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 Inc. (formerly deHavilland Inc.) Model Otter DHC-3 airplanes with turbine engines installed per one of three specified supplemental type certificates (STCs).

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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