AD 99-15-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Stemme GmbH & Co. KG | Stemme S10-VT | Airworthiness Directives; Stemme GmbH & Co. KG Model S10-VT Sailplanes |
Unsafe Condition
Heat damage to the wastegate control could result in loss of automatic manifold pressure control and engine damage.
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Required Actions
Modify the wastegate control in accordance with Stemme Service Bulletin No. A31-10-034, Amendment 01.a, pages 3 and 4, dated July 24, 1998. Special flight permits may be issued to operate the sailplane to a location where the requirements can be accomplished.
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Compliance Time
Within the next 3 calendar months after the effective date of this AD
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Affected Aircraft
Stemme GmbH & Co. KG Model S10-VT sailplanes, serial numbers 11-004 through 11-006 and 11-008 through 11-013
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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