Airworthiness Directive
AD 2025-02-12: Reciprocating Engine Cylinder Section; 8550, Reciprocating Engine Oil System
Airworthiness Directives; Austro Engine GmbH Engines
- Effective
- Apr 1, 2025
- Published
- Feb 25, 2025
- Registered aircraft
- 281
Models this AD may apply to
AI-extracted — verify against originalMatched from the AD's applicability section. Applicability must be confirmed by a mechanic against the aircraft's records.
Engines
- AUSTRO E4 SERIES
- AUSTRO E4(11OR)
- AUSTRO E4P(SERIES)
- Serial numbers per Tables 1, 2, 3, and 4 of Austro Engine GmbH Mandatory Service Bulletin No. MSB-E4-039/3, Revision 3, dated November 22, 2023
Applicability
From the AD textThis AD applies to Austro Engine GmbH Model E4 and E4P engines with an engine serial number (ESN) listed in Tables 1, 2, 3, and 4 of Austro Engine GmbH Mandatory Service Bulletin No. MSB-E4-039/3, Revision 3, dated November 22, 2023 (Austro MSB-E4-039/3).
Related ADs
Supersedes or revises AD 2023-20-03.
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