As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT PASSING 10000 ALL CREW REPORT SMELLING DIRTY SOCK ODOR-PERF TSM 05-50-00-810-831-A PERF ENG 1&2 AND APU RUN. FOUND APU TO BE SOURCE OF ODOR. PER DECONTAMINATION OF ECS PER AMM 21-00-00. R&R RECIRC FILTERS PER AMM 21-21-41. NO DEFECTS NOTED AT THIS TIME. REF LBP 2611460-2 FOR APU OIL LEAK