Narrative:

Noted to company that gear handle was not in full down position. Pulled gear breaker. Pumped gear doors open to inspect hydraulic lines. Worked gear switch up and down to make sure it was seated. Pushed breaker back in. Got in plane and turned master switch on. Turned key to start. Propeller made 1/3 revolution and nose gear retracted.

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Original NASA ASRS Text

Title: GA SMA NOSE GEAR RETRACTED WHEN PLT TRIED TO START ENGINE.

Narrative: NOTED TO COMPANY THAT GEAR HANDLE WAS NOT IN FULL DOWN POS. PULLED GEAR BREAKER. PUMPED GEAR DOORS OPEN TO INSPECT HYD LINES. WORKED GEAR SWITCH UP AND DOWN TO MAKE SURE IT WAS SEATED. PUSHED BREAKER BACK IN. GOT IN PLANE AND TURNED MASTER SWITCH ON. TURNED KEY TO START. PROP MADE 1/3 REVOLUTION AND NOSE GEAR RETRACTED.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.