What was found
AFTER TWO NORMAL ENGINE STARTS AND WHILE THE ENGINES WERE RUNNING, BEFORE TAXI CHECKS THE NUMBER 1 ENGINE FLAMED OUT. CHECKED AND CONFIRMED RIGGING OK, CHECKED FILTER BOWL AND FILTER, NO SIGNS OF WATER OR CONTAMINENTS, NO FAULTS ON DEEC'S, OPS CHECKS OF ENGS GOOD, POSITIVE ACCELERATION AND GOOD SLAM CHECK OF THROTTLE LEVERS. REPLACED NR 1 ENG FUEL FILTER, OP AND LEAK CHECK GOOD.