As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ODORS RECEIVED DESCENDING THROUGH 3000 FT. ( PACKS A321 WITHOUT MOD. 157080/MP K17996 (PACK FLOW SELECTOR) AND WITH MOD. 30626/ MP K6443 (ENHANCED ECS) )-PERFORMED ECS CLEANING PACK 1&2 IAW AMM 21-00-00 AS PRECAUTIONARY MEASURES R&R RECIRCULATING FILTERS IAW AMM 21-21-41 AND R&R OZONE FILTERS 101HM & 100HM IAW AMM 21-51-41 NO ODOR DETECTED AT THIS TIME THIS CLEARS DEFECT 3292185-1 MOC NOTIFIED PLACARDS REMOVED