AD 87-01-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | ATR - GIE Avions de Transport R gional | ATR42-200 | Airworthiness Directives; AEROSPATIALE Model ATR-42 Airplanes |
| aircraft | ATR - GIE Avions de Transport R gional | ATR42-300 | Airworthiness Directives; AEROSPATIALE Model ATR-42 Airplanes |
| aircraft | ATR - GIE Avions de Transport R gional | ATR42-320 | Airworthiness Directives; AEROSPATIALE Model ATR-42 Airplanes |
| aircraft | ATR - GIE Avions de Transport R gional | ATR42-500 | Airworthiness Directives; AEROSPATIALE Model ATR-42 Airplanes |
Unsafe Condition
Failure of the engine oil cooler thermostatic valve system could result in inadequate engine anti-icing capability.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the engine oil cooler thermostatic valve system in accordance with Aerospatiale Service Bulletin ATR 42-79-0002 dated September 3, 1986. Alternate means of compliance or adjustment of compliance time may be approved by the Manager, Standardization Branch, ANM-113, FAA, Northwest Mountain Region.
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Compliance Time
within 10 days after the effective date of the AD
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Affected Aircraft
AEROSPATIALE Model ATR-42 airplanes listed in Service Bulletin ATR 42-79-0002 dated September 3, 1986
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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