AD Amdt-39-10772
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aerospatiale | Model ATR42 Series | Airworthiness Directives; Aerospatiale Model ATR42 Series Airplanes |
Unsafe Condition
Failure of the emergency direct current (DC) power could result in loss of the standby horizon indicator during instrument flight rules conditions, leading to reduced controllability.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the electrical power supply for the standby horizon indicator to prevent loss of power in case of emergency DC power failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
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Affected Aircraft
Aerospatiale Model ATR42 series airplanes subject to mandatory continuing airworthiness information by a foreign civil airworthiness authority.
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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