Airworthiness directives › 2022-03-07
AD 2022-03-07 Airworthiness Directives; Stemme AG Gliders
Applicability*9
This AD applies to Stemme AG TSA-M Model S6 and S6-RT gliders, all serial numbers, certificated in any category, with a propeller gearbox tooth belt marked “Synchroforce Carbon” installed.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Before the propeller gearbox tooth belt accumulates 5 years since installation on a glider or within 30 days after the effective date of this AD, whichever occurs later, and thereafter at intervals not to exceed 5 years, remove the propeller gearbox tooth belt from service and install a propeller gearbox tooth belt with zero hours time-in-service.
Unsafe condition
This AD was prompted by mandatory continuing airworthiness information (MCAI) issued by the aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as a new version of the propeller gearbox tooth belt with a reduced life limit. The FAA is issuing this AD to prevent a propeller gearbox tooth belt remaining in service beyond its fatigue life. The unsafe condition, if not addressed, could result in failure of the propeller gearbox tooth belt and reduced control of the glider.
Affected ADs
None.
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1