AD Amdt-39-10447

final rule
Data completeness: 70%

Airworthiness Directives; Aerospatiale Model ATR42-500 Series Airplanes

AD Number
Amdt-39-10447
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 98-NM-48-AD
FR Citation
63 FR 16107

Applicability

TypeManufacturerModelDetails
aircraft Aerospatiale Model ATR42-500 Series Airworthiness Directives; Aerospatiale Model ATR42-500 Series Airplanes

Unsafe Condition

Interference between the rudder horn and the vertical stabilizer, which could cause the rudder to jam and consequent reduced controllability of the airplane.

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

Required Actions

Perform a one-time inspection to measure the gap between the lower fairing of the rudder horn and the vertical stabilizer. Take corrective action if necessary.

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

Aerospatiale Model ATR42-500 series 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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