As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUME EVENT, ON FINAL APPROACH (5000') AT FLAPS 1 220KIAS, FA REPORTED DIRTY SOCK ODOR IN AFT CABIN. TURNED OFF PACK NR 2 AND ODOR DISSIPATED IN A FEW MINUTES NO ODOR IN COCKPIT. PERFORMED TSM 05-50-00-810-831-A. FOUND UNSATISFACTORY AIR QUALITY FROM PACK NR 2. SEE LOGPAGE 2371574-2 FOR CORRECTIVE ACTION.