As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WHILE IN CRUISE, THE 5 AMPS CIRCUIT BREAKER (CABIN TEMP) TRIPPED. CREW RESET ONE TIME AND TRIPPED AGAIN. UPON INVESTIGATION FOUND RT AMBIENT SOLENOID SHUTOFF VALVE SHORTED CAUSING CIRCIUT BREAKER TO TRIPPED. SOLENOID VALVE REPLACED WITH NEW AND SYSTEM GROUND TESTED OK IAW M/M.