AD 2007-21-09

final rule
Data completeness: 70%

Airworthiness Directives; Stemme GmbH & Co. KG Model S10-VT Gliders

AD Number
2007-21-09
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2007-28958
FR Citation
72 FR 58005

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Stemme GmbH & Co. KG Model S10-VT gliders, all serial numbers, certificated in any category.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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