What was found
REMOVE AND REPLACE APU TO ADDRESS FUME EVENT, IAW A320 AMM 49-00-00-710-010-A, OPS CHECK IS GOOD. ITEM 1: AFTER T/O NOTICED A STRONG DIRTY SOCK/METALIC/MUSTY FUME SMELL IN COCKPIT, PERFORMED ELIMINATION OF ODOR PROCEDURE AND ODOR CEASED WHEN PACK 1 TURNED OFF. CONTINUED WITH PACK 1 OFF TO DESTINATION. CORRECTIVE ACTION: DEFERRED PER MEL 21-52-01F C/N 1165142 DD 10/11/2020 PER MCC TJH 428704. MX ACTIONS C/W PLACARDS INSTALLED. PERFORMED DECONTAMINATION OF ECS SYSTEM, NO ODOR NOTED AT THIS TIME, REF PEMCO NR 102040002. MEL REMOVED.