As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DESCENDING THROUGH 5K THERE WAS A VERY BAD "DIRTY SOCK" ODOR. STAYED FOR REST OF FLIGHT. NO CHANGE ON GROUND. NO CHANGE AFTER SHUTDOWN ENG 2. WENT AWAY AFTER BOTH ENGINES OFF USING APU BLEED. PERFORMED PACK BURN OUT RAN APU AND ENGINES, NO ODOR NOTED IAW TSM. 21-00-00, AND 05-50-00-991.