AD Amdt-39-10663
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aerospatiale | Model ATR42 and ATR72 Series | Airworthiness Directives; Aerospatiale Model ATR42 and ATR72 Series Airplanes |
Unsafe Condition
Overheating and consequent failure of the electromagnetic interference (EMI) filter capacitors could result in emission of toxic smoke and fumes throughout the airplane, causing adverse effects on flight crew and passengers.
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Required Actions
Inspect the EMI filter capacitors and electronic cards of the cabin air recirculation fans. Replace damaged components with new or serviceable parts. Modify the cabin air assembly fans.
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Compliance Time
Before further flight
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Affected Aircraft
Aerospatiale Model ATR42 and ATR72 series airplanes subject to mandatory continuing airworthiness information by a foreign civil airworthiness authority.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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