As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A FLIGHT, THE CREW NOTICED FAILURE OF THE COCKPIT AIR AND THE CABIN BLOWER CIRCUIT BREAKER WAS EXTENDED. MECHANIC FOUND THE COCKPIT BLOWER MOTOR HAD SEIZED AND CAUSED THE CABIN BLOWER CIRCUIT BREAKER TO EXTEND. A POSSIBLE SOLUTION WOULD BE A RE-DESIGN OF THE COCKPIT BLOWER MOTOR.