AD 2007-21-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; Stemme GmbH & Co. KG Model S10-VT Gliders |
Unsafe Condition
Fuel leak through the air pressure line into the airbox, with fuel escaping through the drainage tubes. The possibility of a leak to the engine compartment cannot be excluded.
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Required Actions
Inspect and replace the old differential fuel pressure sensor 11AB-K01 with the new type 11AB-KD sensor. Revise the AFM to include the repetitive inspection and ultimate replacement procedures for the old sensor.
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Compliance Time
Before further flight
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Affected Aircraft
Stemme GmbH & Co. KG Model S10-VT gliders, all serial numbers, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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