As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE PILOT REPORTED A BURNING SMELL AND SMOKE IN THE CABIN DURING CRUISE. MAINTENANCE INSPECTED AND FOUND THE NR 1 PFD FAN INOPERATIVE, AND REMOVED FOR FURTHER INSPECTION. THE FAN WAS FOUND TO HAVE A BURNED ELECTRICAL SMELL COMING FROM THE FAN ASSEMBLY AND THEN REPLACED WITH NO FURTHER DEFECTS NOTED.