As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUME EVENT, DIRTY SOCKS SMELL IN CABIN AND FLIGHT DECK, 4000-3000 FEET ON APPROACH. DISSIPATED RAPIDLY.-PERFORMED TSM 21-00-00-810-802-1 AND TSM 05-50-00-810-831. FOUND ENG #1 AND ENG #2 OIL OVER SERVICED. DRAINED ENG OIL IAW AMM 12-13-79-610-010-A. PERFORMED LEVEL B DECONTAMINATION OF PACK 1 AND PACK 2 IAW AMM 21-00-00-615-803-A. PERFORMED ENG RUNS IAW AMM 71-00-00. NO FURTHER DEFECTS NOTED AT THIS TIME.