AD 2007-15-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; Stemme GmbH & Co. KG Model S10-V and S10-VT Powered Sailplanes |
Unsafe Condition
The connection screw of the propeller blade follower type 10AP-VM may break, and the main part of the blade follower can be lost in flight. This could lead to high vibration during powered flight and decreased control of the aircraft.
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Required Actions
Replace the blade follower type 10AP-VM with the new type 10AP-VP, following the instructions in STEMME F & D SB A31-10-078, Am.-index: 02.a, dated March 2, 2007. Do not install propeller types 10AP-F, 10AP-V, or 11AP-V unless they have the new type 10AP-VP blade follower installed.
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Compliance Time
Within 25 engine operating hours or 90 days after August 28, 2007, whichever occurs first.
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Affected Aircraft
Stemme GmbH & Co. KG Model S10-V and S10-VT powered sailplanes, all serial numbers, that are certificated in any category and have not incorporated the actions of STEMME F & D SB A31-10-078, Am.-index: 01.a, dated November 6, 2006.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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