Airworthiness directives › 2012-26-12
AD 2012-26-12 Airworthiness Directives; Thielert Aircraft Engines GmbH Reciprocating Engines
Makes named: thielert. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to all Thielert Aircraft Engines (TAE) TAE 125-02-99 and TAE 125-02-114 reciprocating engines.
Compliance
After the effective date of this AD, do not install a gearbox with a S/N listed in TAE SB TM TAE 125-1015 P1, Initial Issue, dated April 27, 2012, into any engine unless the oil filler plug has passed the inspection required by paragraph (e)(1) of this AD.
Required actions
The Manager, Engine Certification Office, FAA, may approve AMOCs for this AD. Use the procedures found in 14 CFR 39.19.
Unsafe condition
Unless already done, within 110 flight hours after the effective date of this AD, or at the next scheduled maintenance, whichever occurs first, do the following. (1) Remove the oil filler plug and check for chips blocking the vent hole in accordance with TAE Service Bulletin (SB) TM TAE 125-1015 P1, Initial Issue, dated April 27, 2012. (2) If chips are found during the inspection in paragraph (e)(1) of this AD, disassemble the gearbox and check the radial shaft sealing rings (at the clutch and the propeller shaft) for leakage. If leakage is noted, replace the gearbox before the next flight.
Affected ADs
None.
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