As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN DESCENT PHASE SMELL OF DIRTY SOCKS IN CABIN AND COCKPIT-PERFORMED TSM 05-50-00-810-831-A IAW DECISION TABLE SHEET 1 PERFORMED CORRECTIVE ACTION TYPE 2 AND TYPE 3 REF TO TSM 71-00-00-816-801 NO DEFECT NOTED. A/C IS OFF TO SERVICED POSSIBLE CAUSE APU LEAKING.