What was found
PILOT DEPARTED BED AT APPROXIMATELY 200FT ELEVATION THE LEFT ENGINE QUIT, PILOT THEN RETURNED TO BED NO PROBLEMS. MAINTENANCE FOUND NO FUEL FLOW, PUT AIRCRAFT IN A WARM HANGAR. AFTER WARMING UP MAINTENANCE SUMPED WING AND GOT ABOUT 1/2 CUP OF WATER, UNHOOKED FUEL LINE GOING TO FLOW DIVIDER AND RAN 3/4 GAL OF FUEL THRU SYSTEM AND FOUND TO BE CLEAN. AIRCRAFT TAXIED TO RUN-UP AREA AND GROUND RUN AT FUEL POWER WAS GOOD, RETURNED AIRCRAFT TO SERVICE.