AD 2014-08-10
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Austro | Engine GmbH | Airworthiness Directives; Austro Engine GmbH Engines |
Unsafe Condition
Failure of the waste gate controller lever due to fracture, leading to damage to one or more engines, loss of thrust control, and damage to the airplane.
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Required Actions
Remove from service waste gate controllers with part numbers E4A-41-120-000, Revision 060 or lower, and E4B-41-120-000, Revision 010 or lower. Do not install these controllers or approve engines with them for return to service after the effective date.
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Compliance Time
Within 110 flight hours, the next maintenance action for any reason, or within three months after the effective date, whichever occurs first.
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Affected Aircraft
All Austro Engine GmbH model E4 engines with waste gate controllers, part numbers E4A-41-120-000 (Revision 060 or lower) or E4B-41-120-000 (Revision 010 or lower).
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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