What was found
ON DESCENT PASSING FLT LEVEL 12,000 WE COULD SMELL FUMES (WET SOCK) UNTIL PACK 1 WAS SHUT OFF ( 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 )-PERF. DECONTAMINATION OF PACK 1 IAW AMM 21-00-00. OPS TEST GOOD. NO CONTAMINATION FOUND. THIS CLEARS DMI 2849857-1. PLACARD REMOVED. DMI LOG UPDATED. MOC NOTIFIED.