Airworthiness Directive

AD 2021-24-10 86 FR 64810

Federal Aviation Administration · 14 CFR part 39

FR document
2021-25259
Amendment
39-21831
Published
2021-11-19
Models covered
1
Last live check
2026-08-17
AD

2021-24-10

FR doc 2021-25259 · 86 FR 64810

AD 2021-24-10Published 2021-11-19Effective 2021-12-27

Supersedes 2021-09-04

Supersedence is read from the Federal Register text of the newer AD — the FAA publishes no structured field for it — and names only ADs held in our index.

Requires replacing a certain oil pump as well as the oil filter and engine oil.

Full official abstract

The FAA is superseding Airworthiness Directive (AD) 2021-09-04 for all Austro Engine GmbH E4 and E4P model diesel piston engines. AD 2021-09-04 required replacing a certain oil pump as well as the oil filter and engine oil. This AD was prompted by reports of an oil pump blockage on E4 model diesel piston engines. This AD requires replacing a certain oil pump as well as the oil filter and engine oil. The FAA is issuing this AD to address the unsafe condition on these products.

Applies to 1 model in our index