As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUME EVENT AT TOP OF DESCENT ODOR IN COCKPIT, SHUT OFF PACK 1 AND ODOR DISSIPATED. ( PACKS A321 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 OPS TEST OF PACK FLOW AND INDICATION IAW AMM 21-51-00 OPS CHECK GOOD. THIS CLEARS DMI# 249663801. PLACARD REMOVED MOC NOTIFIED.