What was found
PILOT NOTICED SMOKE IN COCKPIT, LANDED AT AIRPORT. MAINTENANCE INSPECTED AIRCRAFT FOUND NO ELECRTICAL PROBLEMS, TURNED ON HEATER AND CABIN FILLED WITH SMOKE. REMOVED AND REPLACED HEATER ASSY.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PILOT NOTICED SMOKE IN COCKPIT, LANDED AT AIRPORT. MAINTENANCE INSPECTED AIRCRAFT FOUND NO ELECRTICAL PROBLEMS, TURNED ON HEATER AND CABIN FILLED WITH SMOKE. REMOVED AND REPLACED HEATER ASSY.