As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIRTY SOCK SMELL REPORTED ON FINAL APPROACH BY FLT ATTEND SMELL STRONGER IN AFT GALLEY MILD IN FWD GALLEY NO SMELL IN FLT DECK ( 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) )--