What was found
ON GROUND AFTER APU START AND BLEED TRANSFER FUEL ODOR FROM PACKS USING APU BLEED AIR PACKS WERE OK, O ENG. INSPECTED APU, NO OBVIOUS FUEL LEAKAGE WITH APU RUNNING, RAN PACKS OFF ENG BLEED AIR, NO ODOR NOTED, COMPLIED WITH CM ACTION, PLACED APU ON MEL.