As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AC AIR SEEMED TO BE PUTTING OUT AMBIENT OAT. 10 MINUTES LATER THE VENT DUCT AIR STOPPED BLOWING AIR. I NOTICED CB HAD POPPED (TEMP CB). I PUSHED BACK IN AND POPPED AGAIN. I TURNED CABIN CONTROLLER FROM AUTO TO OFF. PUSHED CB BACK IN AND FAN STARTED WORKING (VENT BLOWER ON HIGH). I TRIED A/C IN AUTO ON GROUND ON CB POPPED AGAIN.