As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN REPORTED " DIRTY SOCKS" FWD CABIN AND BURNED RUBBER SMELL AFT CABIN BRIEFLY ON BASE / FINAL TURN BEFORE LANDINGS. SMELL CLEARED AFTER A MINUTE OR TWO. FOUND NBR 2 FAN SHAFT SEAL BYPASSING OIL. REPLACED FAN SHAFT SEAL NBR 2 ENGINE PER A321 AMM 72-11-01. (LP 8139228)