Airworthiness Directive
AD 2021-22-20: Reciprocating Engine Power Section
Airworthiness Directives; Austro Engine GmbH Engines
- Effective
- Nov 16, 2021
- Published
- Nov 1, 2021
- 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 Austro Engine Mandatory Service Bulletin No. MSB-E4-034/3, Revision No. 3, Chapter 1.4, Table 1 (HPP driving gear S/Ns). Only with: Equipped with cylinder head P/N E4A-12-500-000, or HPP driving gear P/N E4A-30-000-201 with S/N listed in MSB-E4-034/3.
- Only with: Equipped with cylinder head P/N E4A-12-500-000, or HPP driving gear P/N E4A-30-000-201 with S/N listed in MSB-E4-034/3.
Applicability
From the AD textThis AD applies to Austro Engine GmbH E4 and E4P model diesel piston engines equipped with either: (1) A cylinder head having part number (P/N) E4A-12-500-000 (affected cylinder head), or (2) A high-pressure pump (HPP) driving gear, having P/N E4A-30-000-201, with a serial number (S/N) listed in Chapter 1.4, Table 1 of Austro Engine Mandatory Service Bulletin No. MSB-E4-034/3, Revision No. 3, dated September 30, 2021 (MSB-E4-034/3) (affected HPP driving gear).
Related ADs
Superseded or revised by AD 2022-03-03.
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