AD 2022-01-09

final rule
Data completeness: 80%

Airworthiness Directives; Stemme AG Gliders

AD Number
2022-01-09
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2021-1175
FR Citation
87 FR 1666

Applicability

TypeManufacturerModelDetails
aircraft Aviat Various Airworthiness Directives; Stemme AG Gliders

Unsafe Condition

unintended slipping of the freewheel clutch with overheating (burnishing) of the friction pads inside of the clutch

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

remove the affected freewheel clutch from service

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Stemme AG Model Stemme S 10-VT and Stemme S 12 gliders with a P/N 12AK freewheel clutch with a serial number starting with "12-"

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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