AD 89-14-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | ATR - GIE Avions de Transport R gional | ATR42-200 | Airworthiness Directives; AEROSPATIALE Model ATR42 Series Airplanes |
| aircraft | ATR - GIE Avions de Transport R gional | ATR42-300 | Airworthiness Directives; AEROSPATIALE Model ATR42 Series Airplanes |
| aircraft | ATR - GIE Avions de Transport R gional | ATR42-320 | Airworthiness Directives; AEROSPATIALE Model ATR42 Series Airplanes |
| aircraft | ATR - GIE Avions de Transport R gional | ATR42-500 | Airworthiness Directives; AEROSPATIALE Model ATR42 Series Airplanes |
Unsafe Condition
Loss of engine oil and engine shutdown due to failure of the drain plug and adjacent locknut on the engine oil pressure manifold.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace and lockwire the drain plug and adjacent locknut on the engine oil pressure manifold in accordance with Aerospatiale Service Bulletin ATR42-79-0006, Revision 1. Alternate compliance or time adjustment 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 this AD, unless previously accomplished
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Affected Aircraft
AEROSPATIALE Model ATR42 series airplanes, Serial Numbers 003 through 138
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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