As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON TAXI IN FROM LANDING, IT WAS OBSERVED BY THE RAMP ATTENDANT THAT SMOKE WAS COMING FROM THE NOSE OF THE AIRCRAFT. THE AIRCRAFT WAS SHUTDOWN NORMALLY. THE CAPTAIN EXITED THE AIRCRAFT AND DISCONNECTED THE BATTERY. FURTHER INSPECTION INDICATED THAT THE CONDENSER MOTOR HAD FAILED. THE MOTOR WAS REPLACED WITH AN OVERHAULED MOTOR.