As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG DIRTY SOCK ODOR AND FUMES DURING DESCENT THROUGH 8000 FT, THROUGHOUT LANDING. PERFORMED A VISUAL INSPECTION OF APU EXTERNAL COMPONENTS IAW TSM 49-00-81-810-874-A. REMOVED BLEED DUCT AND EXAMINED FOR OIL LEAK. NO LEAK NOTED. RAN APU, AND NO ODOR NOTED. ACFT OK FOR SERVICE.