What was found
FUME EVENT: AFTER LANDING, FLIGHT ATTENDENTS CALLED AND REPORTED SMELLING "FUMES WITH A STRONG AMONIA/VINEGAR SMELL." THEY STATED FEELING A BURNING SENSATION IN THEIR THROAT. SMELL IN AFT GALLEY. REPORTED SMELLING ON FINAL APPROACH AT THRUST IDLE. TURNED OFF PACK 2 DURING TAXI-PERFORMED TSM 05-50-00-810-831-A. APPLIED APU BLEED. RAN BOTH PACKS TO ISOLATE ODER. NO ODER PRESENT. COULD NOT DUPLICATE FAULT. OZONE FILTER HAD BEEN REPLACED PREVIOUSLY. A/C OK FOR SERVICE.