What was found
AFTER LANDING DURING TAXI FA CALLED TO COMPLAIN ABOUT A BURNING PLASTIC SMELL. NOTHING WAS VISIBLE . WE SMELLED IT TOO. WE STOPPED THE A/C PUT THE MASK ON AND ESTABLISHED COMMUNICATION AND CONTINUED TO GATE. AFTER ENGINE SHUTDOWN SMELL WAS GONE. C/W NO GO ODI W/C 0550-2001 AND 0550-2003 WHILE T/S ODOR FOUND BATTERY CHARGER FAULTING REPLACED SAME PER A220 AMP 24-32-02 OPS CK OK SUSPECT WITH AREA OF NOTICED ODOR A POSSIBILITY. PERFORMED WITH SMOKE FUME KIT (TER93579) 4 TIMES THROUGHOUT THE CABIN WITH BELOW NORMAL RESULTS. REPLACED RECIRC FILTERS PER A220 AMP 21-22 MCC NOTIFIED OK TO RTS. (LP# 7230788)