What was found
ON DESCENT BETWEEN 5000 AND 3000 FEET WE SMELLED A SOAPY SWEET SMELL SHUT OFF PACK 1 AND ODOR DISAPPEARED ( 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 )-TROUBLE SHOT IAW TSM 05-50-810-831. PERFORMED DECONTAMINATION IAW 36-10-00-615-802. PERFORM ENG RUN W/ NO DEFECTS NOTED. THIS CLEARS DMI #2783295-1. MOC NOTIFIED. PLACARD REMOVED.