Airworthiness Directive · Amendment 39-15355 · Fuel
Stemme GmbH & Co. KG Model S10-VT Powered Sailplanes
Superseded. A later AD replaced this one: AD 2008-11-20. Comply with the one in force.
This AD applies to Model S10-VT powered sailplanes, serial numbers 11-001 through 11-112, except 11-036, 11-067, 11-068, and 11-090, certificated in any category.
We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued by the aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:
Unless already done, do the following actions.
(1) Before the first flight of each day after February 20, 2008 (the effective date of this AD) until the replacement required in paragraph (f)(3) of this AD is done, inspect all plastic connectors in the area of the fuel pumps and the connection point of the pressure lines to the fuel shut-off valve (behind the rear bulkhead of the front fuselage) for possible leakage. Do the inspection following STEMME F & D Service Bulletin A31-10-082, Am.-Index: 01.a, dated November 30, 2007.
(2) Before further flight after the inspection required in paragraph (f)(1) of this AD, replace the plastic T- and Y-connectors in the fuel system with metal connectors if leaks are found. Do the replacements following STEMME F & D Service Bulletin A31-10-082, Am.-Index: 01.a, dated November 30, 2007. This replacement terminates the repetitive inspections required in paragraph (f)(1) of this AD.
(3) Within the next 30 days after February 20, 2008 (the effective date of this AD), replace all plastic T- and Y-connectors in the fuel system with metal connectors. Do the replacements following STEMME F & D Service Bulletin A31-10-082, Am.-Index: 01.a, dated November 30, 2007. This replacement terminates the repetitive inspections required in paragraph (f)(1) of this AD.
Note: This AD differs from the MCAI and/or service information as follows: No differences.
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
