What was found
FUME EVENT AFTER TURNING ON THE PACKS FOR THIS FLIGHT. APU WAS AIR SOURCE. NO SMELL IN FLIGHT. PERFORMED A/C PACK DISTRIBUTION DUCT ODOR CLEANING PER MM 21-53-00-7. AFTER RUNNING PACK IN HIGH FOR 15, HAD NO FUMES SMELL IN COCKPIT, FOUND NO OIL LEAKING ON APU AIR DUCT A/C OK FOR SERVICE.