As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE FROM PKWA, THE CREW DETECTED A BURNING ODOR IN COCKPIT. LEFT RECIRC FAN BECAME NOISY, THE CREW TURNED OFF THE RECIRC FAN AND ODOR WENT AWAY. THE CREW LANDED IN PHIK WITHOUT INCIDENT. MAINTENANCE REPLACED LEFT RECIRC FAN IAW DC MAINTENANCE MANUAL 21-21-1 OPERATIONAL CHECK WAS GOOD AIRCRAFT RETURNED TO SERVICE.