AD 2025-20-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | ATR-GIE | Avions de Transport Régional | Airworthiness Directives; ATR-GIE Avions de Transport Régional Airplanes |
Unsafe Condition
An erroneous monitoring of the travel limitation unit (TLU) could occur when the airplane is flying above a certain speed as a result of the logic input from either air data computer (ADC) 1 or ADC2 input.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install one or two relays and associated wiring, and test the TLU monitoring logic as specified in EASA AD 2025-0004.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the compliance times specified in EASA AD 2025-0004.
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Affected Aircraft
ATR-GIE Avions de Transport Régional Model ATR42-500 and ATR72 airplanes, including ATR72-101, -102, -201, -202, -211, -212, and -212A airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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