AD Amdt-39-11262

final rule
Data completeness: 70%

Airworthiness Directives; Bombardier Model DHC-8 Series Airplanes

AD Number
Amdt-39-11262
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 99-NM-55-AD
FR Citation
64 FR 45425

Applicability

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

Unsafe Condition

Asymmetric rudder force condition due to single rate configuration springs in the rudder control feel unit, which could reduce controllability and cause center line deviation.

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

Required Actions

Inspect spring assemblies in the rudder control feel unit to verify dual rate configuration springs are installed. Replace any single rate configuration springs with dual rate configuration springs. Revise the Airplane Flight Manual to prohibit operation from runways less than 75 feet wide, if necessary.

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

Compliance Time

Within 12 months of the effective date of the AD.

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

Affected Aircraft

Bombardier Model DHC-8 series airplanes with rudder control feel units containing single rate configuration springs.

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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