AD Amdt-39-10917
Unsafe Condition
Cracks in certain areas of the flight control system could result in flight control system failure, leading to reduced or loss of control of the sailplane.
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Required Actions
Inspect certain areas in the flight control system for cracks. Immediately replace any cracked parts. Eventually replace all longitudinal coupling with modified coupling, regardless of whether cracks are found.
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Compliance Time
Before further flight
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Affected Aircraft
Stemme GmbH & Co. KG Models S10, S10-V, and S10-VT sailplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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