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Airworthiness Directive

AD 2020-22-14 85 FR 70442 Active

Federal Aviation Administration · 14 CFR part 39

Requires engine modification by installing a waste gate control-rod fail-safe bridge and new spring- loaded circlip that terminates the initial and repetitive replacement requirements of AD 2018-07-16.

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FR document
2020-24539
Amendment
39-21310
Published
2020-11-05
Effective
2020-12-10
Models covered
1

Last live check: 2026-08-19

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AD

2020-22-14

FR doc 2020-24539 · 85 FR 70442

AD 2020-22-14Published 2020-11-05Effective 2020-12-10

Supersedes 2018-07-16

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.

FAA rule - 14 CFR 39

FAA rule. Compliance with an applicable AD is required under 14 CFR 39.7. Check its effective date, applicability, compliance times and current status.

Requires engine modification by installing a waste gate control-rod fail-safe bridge and new spring- loaded circlip that terminates the initial and repetitive replacement requirements of AD 2018-07-16.

Full official abstract

The FAA is superseding Airworthiness Directive (AD) 2018-07-16 for all Austro Engine GmbH model E4 and E4P diesel piston engines. AD 2018-07-16 required initial and repetitive replacement of the waste gate controller and the control rod circlip. This AD retains the requirements of AD 2018-07-16 and requires engine modification by installing a waste gate control-rod fail-safe bridge and new spring- loaded circlip that terminates the initial and repetitive replacement requirements of AD 2018-07-16. This AD was prompted by the development of a modification of the waste gate control rod by adding a fail-safe bridge and spring-loaded circlip. The FAA is issuing this AD to address the unsafe condition on these products.

More directives for Austro Engine E4

  1. AD 2025-02-12 Airworthiness Directives; Austro Engine GmbH Engines Effective 2025-04-01
  2. AD 2024-19-10 Airworthiness Directives; Austro Engine GmbH Engines Effective 2024-10-09
  3. AD 2024-05-01 Airworthiness Directives; Austro Engine GmbH Engines Effective 2024-03-11
  4. AD 2023-20-03 Airworthiness Directives; Austro Engine GmbH Engines Effective 2023-12-11
  5. AD 2022-03-03 Airworthiness Directives; Austro Engine GmbH Engines Effective 2022-02-14

All Austro Engine E4 directives

View on Federal Register (opens in a new tab) View this AD in FAA DRS (opens in a new tab) Print AD packet (opens the full Federal Register document in a new tab)

Applies to 1 model in our index