As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AT CRUISE ALTITUDE, THE CREW & PASSENGERS EXPERIENCED SMOKE IN THE COCKPIT & CABIN OF THE AIRCRAFT. THE CREW PULLED THE O2 FOR PAX & TURNED OFF VENT BLOWER & SMOKE STOPPED & DISSIPATED. UPON INSPECTION, THE FWD VENT BLOWER FAILED TO OPERATE & THE MOTOR WAS FOUND TO BE SEIZED. CURRENT LIMITER FOUND TO BE BLOWN & REPLACED.