As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT AT APPROXIMATELY 5000 FT NOTICED A PECULIAR ODOR SIMILAR TO DIRTY SOCKS. PERFORMED ENGINE RUN OF NR 1 AND NR 2 ENGINE IAW TSM 71-10-00-810-801. ISOLATED BLEED AIR TO BOTH ENGINES AND APU AND COULD NOT DUPLICATE ODOR. CHECKED NR 1 AND NR 2 ENGINES AND APU FOR OIL LEAKS, NO LEAKS FOUND OR SIGNS OF LEAKAGE. NO ODORS NOTED AT THIS TIME. ACFT OK FOR SERVICE.