AD 2017-25-15
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | ATR-GIE | Avions de Transport Régional | Airworthiness Directives; ATR-GIE Avions de Transport Régional Airplanes |
Unsafe Condition
Non-conformity of crimping on an internal valve of the dual distributor valve (DDV), creating a lack of tightness that prevents complete deflation of the related de-icing boot chamber during de-icing cycles.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect each DDV to identify the serial number and replace non-conforming DDV units.
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
ATR-GIE Avions de Transport Régional Model ATR42-300 and -500 airplanes and Model ATR72-202 and -212A airplanes, with specific manufacturer serial numbers (MSN) as identified in the AD.
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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