As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE POWERED FLIGHT CONTROL SYSTEM (PFCS) CIRCUIT BREAKER WAS TRIPPING. CB LOCATED ON THE LEFT 26VAC BUS, POSITION Q1. APPARENT CAUSE WAS THE CIRCUIT BREAKER LOAD TERMINAL WAS SHORTING TO GROUND VIA THE MOUNTING BRACKET SUPPORTING 2423-P1. BRACKET WAS TRIMMED TO ACCOMMODATE. THIS WAS A FACTORY NEW AIRCRAFT. MANUFACTURER QA WAS NOTIFIED.