As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EN ROUTE FROM FJR TO NKW, THE FLIGHT CREW NOTICED SMOKE INTO THE COCKPIT WHEN THE LEFT RECIRCULATION FAN WAS OPERATING. THE FLIGHT CREW SECURED THE FAN AND THE SMOKE SUBSIDED. THE FLIGHT CONTINUED TO NKW FOR AN UNEVENFUL LANDING. MAINTENANCE INSPECTED THE FAN, WHICH WAS FOUND DEFECTIVE. MAINTENANCE PLACED THE FAN ON DEFERRAL. THE AIRCRAFT WAS RETURNED TO SERVICE.