As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
VERY MILD DIRTY SOCK SMELL ON ARRIVAL DESCENDING THROUGH HEAVY CLOUDS / MOISTURE. FOUND BOTH ENGINES OVERSERVICED. REMOVED EXCESS OIL. FOUND LIGHT OIL WETTING ON NBR 1 ENGINE. REPLACED FAN SHAFT COVER O-RING REF A321AMM 72-15. RAN BOTH ENGS. NO SMELL NOTED. NO OTHER EVIDENCE OF OIL LEAKAGE. (LP 7860782)