As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSING THROUGH 8000 FT ON ARRIVAL A DIRTY SOCK ODOR IN CABIN. PERFORMED INSPECTION OF APU DUCTS FOUND NO EVIDENCE OF OIL INSIDE OF DUCTING. FOUND OIL LOW PRESSURE SWITCH LEAKING. R & R LOW PRESSURE SWITCH IAW AMM 49-94-14, LEAK CHECK GOOD. PERFORMED FUNCTIONAL CHECK OF THE CABIN AND COCKPIT TEMP CONTROL WITHOUT MCDU IAW AMM 21-63-00. RAN PACKS FULL HOT THEN FULL COLD. NO ODOR. OPS TESTED GOOD.