AD 2011-23-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Thielert | Various | Airworthiness Directives; Thielert Aircraft Engines GmbH (TAE) Reciprocating Engines |
Unsafe Condition
Clutch assemblies with nonconforming disc springs could fail, leading to engine in-flight shutdown and loss of control of the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace affected clutch assemblies before further flight if they have accumulated 100 flight hours or more. Replace affected clutch assemblies before accumulating 100 flight hours if they have accumulated less than 100 flight hours.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight (for engines with 100+ flight hours) or before accumulating 100 flight hours (for engines with less than 100 flight hours).
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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 (P/N 02-7210-11001R13, P/N 05-7211-K006001, or P/N 05-7211-K006002) and serial numbers listed in TAE Service Bulletins TM TAE 125-0021, Revision 1, and TM TAE 125-1011 P1, Revision 2.
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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