What was found
FLT#5, JFK-PTP. 'CABIN ODOR OF VOMIT AND DIRTY SOCK SMELL EXPERIENCED AT 3,600 FEET ON FINAL APPROACH. APU BLEED ON THE RESPECTIVE ENGINE- BLEED. ( PACKS ); C/W INFO NOTICIED 2017-T015J. RAN # 2. COULDNT DUPLICATE ORDOR SMELL. PERFORMED DECONTAMINATION OF ECS IAW AMM 21-00-00-615-803. TYPE2, LEVEL B. RAN #1 & #2 ENG'S COULDNT DUPLICATE ORDR. REMOVED AND REPLACED RECIRCULATION FILTERS IAW 21-21-41. A/C OK TO CONTINUE SVC. MX-4 UPDATED. PLACRD REMOVED. MCC NOTIFED MDDR CLEARED.'