AD 96-09-28
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | ATR - GIE Avions de Transport R gional | ATR42-200 | Airworthiness Directives; Aerospatiale Model ATR-42 and ATR-72 Series Airplanes |
| aircraft | ATR - GIE Avions de Transport R gional | ATR42-300 | Airworthiness Directives; Aerospatiale Model ATR-42 and ATR-72 Series Airplanes |
| aircraft | ATR - GIE Avions de Transport R gional | ATR42-320 | Airworthiness Directives; Aerospatiale Model ATR-42 and ATR-72 Series Airplanes |
| aircraft | ATR - GIE Avions de Transport R gional | ATR42-500 | Airworthiness Directives; Aerospatiale Model ATR-42 and ATR-72 Series Airplanes |
| aircraft | ATR - GIE Avions de Transport R gional | ATR72-101 | Airworthiness Directives; Aerospatiale Model ATR-42 and ATR-72 Series Airplanes |
| aircraft | ATR - GIE Avions de Transport R gional | ATR72-102 | Airworthiness Directives; Aerospatiale Model ATR-42 and ATR-72 Series Airplanes |
| aircraft | ATR - GIE Avions de Transport R gional | ATR72-201 | Airworthiness Directives; Aerospatiale Model ATR-42 and ATR-72 Series Airplanes |
| aircraft | ATR - GIE Avions de Transport R gional | ATR72-202 | Airworthiness Directives; Aerospatiale Model ATR-42 and ATR-72 Series Airplanes |
| aircraft | ATR - GIE Avions de Transport R gional | ATR72-211 | Airworthiness Directives; Aerospatiale Model ATR-42 and ATR-72 Series Airplanes |
| aircraft | ATR - GIE Avions de Transport R gional | ATR72-212 | Airworthiness Directives; Aerospatiale Model ATR-42 and ATR-72 Series Airplanes |
Unsafe Condition
Formation of a ridge of ice on the wing leading edge causing airflow interruption over the ailerons, aileron deflection, and resultant lateral control forces leading to potential roll upset unrecoverable by flight crew.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install modified deicing boots on the outer leading edges of the wings, revise AFM to include procedures and limitations for severe icing conditions, and perform follow-on actions per specified service bulletins.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Effective June 11, 1996
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Aerospatiale Model ATR-42 and ATR-72 series airplanes including ATR42-200, ATR42-300, ATR42-320, ATR42-500, ATR72-101, ATR72-102, ATR72-201, ATR72-202, and others as listed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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