As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT 5005, FUME EVENT ON APPROACH AT 5,000 MSL "DIRTY SOCK" SMELL IN COCKPIT. WENT AWAY WITH QRH PROCEDURE. CORRECTIVE ACTION: COMPLETED AMDS WC 0550-2002. COMPLETED W/C 7100-2018 (442268). C/W STEP F. NO TROUBLE FOUND. C/W STEP G MCC WANTS LEVEL B DECONTAMINATION. C/W LEVEL B PER A321 AMM 21-00. C/W STEP H NO LEAK NOTED. C/W STEP I PER MCC HIGH POWER RUN C/W. (LP 9135004)