As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUME EVENT DURING DESCENT "DIRTY SOX" SMELL IN COCKPIT AND CABIN-PERFORMED TSM 05-50-00-810-831-A IDENTIFIED ODOR TO BE FROM DEICE FLUID. CLEANED PACK INLET DUCT. RAN ENGINES TO FLUSH PACK SYSTEM, (DECONTAMINATION). ALL SMELLS WENT AWAY, AIRCRAFT OK FOR SERVICE