What was found
FLT#1084, MCO-JFK. 'FUME IN COCKPIT DESCENDING BELOW 12K DIRTY SOCK SMELL. NO ODOR IN BACK, FA'S SAID NOTHING; PERFORMED DETAILED VISUAL INSPECTION OF APU, FOUND NO EVIDENCE OF OIL OR LEAKS. SERVICED 1QT OF OIL PER AMM 12-13-49. PACK BURN ACCOMPLISHED PER INFO NOTICE 2017T015L. CANNOT REPRODUCE ODOR, NO ODOR DETECTED. A/C RETURNED TO SVC.