What was found
(CAN) SMOKE FILLED COCKPIT WHILE AIRCRAFT WAS ON GROUND. DIRECTIONAL GYRO WAS BURNT INTERNALLY. GYRO REPLACED ALONG WITH CIRCUIT BREAKER THAT FAILED TO TRIP.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) SMOKE FILLED COCKPIT WHILE AIRCRAFT WAS ON GROUND. DIRECTIONAL GYRO WAS BURNT INTERNALLY. GYRO REPLACED ALONG WITH CIRCUIT BREAKER THAT FAILED TO TRIP.