What was found
DIRTY SOCK SMELL DURING APPROACH TO LAND FROM PACK 1. AFTER PACK 1 WAS TURNED OFF, SMELL DISSAPEAR. ( PACKS A319 WITH MOD. 30626/MP K6443 (ENHANCED ECS) )-PERFORMED DECONTAMINATION OF THE ENVIROMENTAL SYS IAW AMM 21-00-00-615-803-A, R+R RECICULATION FILTER IAW AMM 21-21-41 THIS CLEARS DMI #3294390-1, PLACARD REMOVED, MOC NOTIFIED, DMI LOG PAGE UPDATE.