AD 2018-07-16
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Austro | Engine GmbH | Airworthiness Directives; Austro Engine GmbH Engines |
Unsafe Condition
Occurrences have been reported where, on some engines, turbocharger waste gate control rods were found broken and/or disconnected. Investigation results indicate that these failures were due to insufficient fatigue life or improper handling of the waste gate control rod and improper installation of the non spring loaded waste gate control rod circlip.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the waste gate controller and the control rod circlip.
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Compliance Time
Within 50 flight hours or 2 months
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Affected Aircraft
All Austro Engine GmbH model E4 and E4P diesel piston engines.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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