AD 2010-18-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; Thielert Aircraft Engines GmbH (TAE) Models TAE 125-01 and TAE 125-02-99 Reciprocating Engines |
Unsafe Condition
In-flight shutdown incidents have been reported on airplanes equipped with TAE 125 engines, primarily due to nonconforming disc springs (improper heat treatment) used in a certain production batch of the clutch.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Identify the serial number (S/N) of each specified clutch assembly installed on the airplane. If the S/N matches one listed in the relevant Thielert Aircraft Engines GmbH Service Bulletins, replace the clutch assembly within the specified compliance times.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the compliance times specified in the AD, based on flight hours accumulated by the affected clutch assemblies.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Thielert Aircraft Engines GmbH (TAE) Models TAE 125-01 and TAE 125-02-99 reciprocating engines, all serial numbers, with specific clutch assembly part numbers installed. These engines are installed on, but not limited to, Cessna 172, Reims-built F172 series, Piper PA-28 series, APEX (Robin) DR 400 series, and Diamond Aircraft Industries Models DA40 and DA42 airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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