AD 98-07-25
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | ATR - GIE Avions de Transport Régional | ATR42-500 | Airworthiness Directives; Aerospatiale Model ATR42-500 Series Airplanes |
Unsafe Condition
Interference between the lower fairing of the rudder horn and the vertical stabilizer, which could cause the rudder to jam and result in reduced controllability of the airplane.
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Required Actions
Perform a one-time inspection to measure the gap between the lower fairing of the rudder horn and the vertical stabilizer, and repair any gaps outside specified limits in accordance with a method approved by the FAA.
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Compliance Time
Required as indicated, unless accomplished previously.
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Affected Aircraft
Aerospatiale Model ATR42-500 series airplanes listed in Service Bulletin ATR42-55-0007, dated November 13, 1997; certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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