As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DESCEN THRU 8000 FT FA CALLED AND REPORTED FUMES IN CABIN, I SHUT PACK 1 OFF AND LANDED FUMES WENT AWAY. ( PACKS - A320 WITH MOD. 30626/MP K6443 (ENHANCED ECS) OR A321 WITH MOD. 157080/MP K17996 (PACK FLOW SELECTOR) AND WITH MOD. 30626/MP K6443 (ENHANCED ECS) )--