AD 2018-03-16
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Stemme GmbH & Co. KG | Various | Airworthiness Directives; Stemme AG Gliders |
| aircraft | Aviat | Various | Airworthiness Directives; Stemme AG Gliders |
Unsafe Condition
certain propeller front transmission gear wheels having insufficient material strength because of improper heat treatment during manufacturing
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
replace the front gearbox
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 10 working hours
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Stemme AG Model Stemme S10-VT gliders and Stemme AG Model Stemme S 12 gliders equipped with a certain front gearbox, part number 11AG
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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