What was found
FUME EVENT DURING DESCENT THROUGH 6,000 IN COCKPIT CABIN TURNED OFF PACK 1 SHUT CROSSBLEED DISSIPATED SOMEWHAT ( 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 ENVIROMENTAL CONTROL SYSTEM (ECS) WHEN THE TEMPERATURE IS ABOVE 24 DEG. C (APU) IAW AMM 21-00-00-615-002-A, OPS CHECK GOOD, NO FUMES & SMELL NOTED AT THIS TIME, THIS CLEARS DMI #2528024-2, PLACARD REMOVED, MOC NOTIFIED