What was found
F/A CALLED IN 8 MINS FROM LANDING REPORTING FUMES BUT NO SMOKE IN CABIN. PLASTIC LIKE SMELL WAS STRONGEST FROM EXIT ROW AFT BUT SPREAD THROUGHOUT CABIN. FEINT ODOR WAS NOTICED IN COCKPIT ALSO. SAME TYPE OF SMELL. NO FIRE, NO SMOKE. CKPT O2 USED. PACKS WERE ON APU OFF ENGINE BLEED IN NORMAL AUTO CONFIGURATION. TURNOVER FOR TROUBLE SHOOTING OF SMELL EVENT AND R&R OF NR 2 RECIRC FAN AND PACK RUNS. NO ODORS NOTED.