AD 2013-24-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Thielert | Various | Airworthiness Directives; Thielert Aircraft Engines GmbH Reciprocating Engines |
Unsafe Condition
Engine power loss due to engine coolant contaminating the engine clutch. The design of the engine allows the crankcase assembly opening to be susceptible to contamination from external sources.
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Required Actions
Apply sealant to close the engine clutch housing (crankcase assembly) opening at the next annual or 100-hour inspection, whichever comes first. Reapply sealant whenever it is found to be not liquid-tight or is removed. Guidance on sealant and application is found in Thielert Aircraft Engines GmbH Service Bulletin No. TM TAE 125-0022.
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Compliance Time
Within the next annual or 100-hour inspection, whichever comes first, after the effective date.
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Affected Aircraft
All Thielert Aircraft Engines GmbH TAE 125-01 reciprocating engines.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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