AD 98-15-24
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Stemme GmbH & Co. KG | Stemme S10-V | Airworthiness Directives; Stemme GmbH & Co. KG Model S10-V Sailplanes |
Unsafe Condition
Propeller suspension fork failure caused by design deficiency, which could result in loss of a propeller blade and loss of sailplane controllability.
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Required Actions
Replace the propeller blade suspension fork, distance ring, and nut with parts of improved design as specified in Stemme GmbH & Co. KG Service Bulletin No. A31-10-020, Am-index: 02.a, dated October 7, 1996. The replacements must use specified part numbers (P/N A09-10AP-V08, A09-10AP-V05, and A09-10AP-V06) or FAA-approved equivalents.
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Compliance Time
Within the next 10 hours total time-in-service (TIS) after the effective date of this AD (September 15, 1998) or upon the accumulation of 100 hours TIS on the sailplane propeller, whichever occurs later.
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Affected Aircraft
Stemme GmbH & Co. KG Model S10-V sailplanes with serial numbers 14-002 through 14-026, and converted sailplanes S/N 14-003M through 14-063M.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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