As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 3209 THE CREW REPORTED UPON DESCENT TO LANDING SMELLED A BURNING ODOR IN THE COCKPIT ONLY. DETECTED FUMES ONLY, NO SMOKE. THE AIRCRAFT WAS REMOVED FROM SERVICE. PERFORMED GENERAL VISUAL INSPECTION OF THE COCKPIT AND HAD CREW RUN ENGINES WITH PACKS ON WITH MAINTENANCE PRESENT. NO FURTHER ODORS WERE NOTED. NO PARTS REMOVED OR REPLACED. THE AIRCRAFT WAS RETURNED TO SERVICE.