What was found
FLIGHT ATTENDANTS IN THE AFT AREA REPORTED "DISTINCTIVE DIRTY SOCKS SMELL" WHILE ON FINAL APPROACH TO ORD. WITH PACK 2 OFF SMELL WENT AWAY AFTER LANDING, PACKS A320 WITH MOD 31283/MP P7125 (FWC H2-F1 STND) AND WITH MOD. 30626/MP K6443 (ENHANCED ECS)-FAULT CAUTIONS ASSOCIATED WITH OPERATIVE SIDE NOT DISPLAYED. PERFORMED DECONTAMINATION OF THE ENVIRONMENTAL CONTROL SYSTEM, IAW AMM 21-00-00-615-002. REPLACED THE RECIRCULATION FILTERS, IAW ANN 21-21-41. OPERATIONS CHECK GOOD, THIS CLEARS DMI NR 2648861-1. MOC NOTED, PLACARD REMOVED, DMI LOG UPDATED.