As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED THAT THE MAIN RADIO MASTER FEEDER CB FOR THE PS2 POWER TRIPPED TAKING OUT ALL THE CO-PILOTS AVIONICS. TROUBLESHOOTING FOUND THE 35 AMP 3G MAIN AVIONICS CB WOULD TRIP JUST BY TAPPING NEXT TO THE BREAKER WITH FINGER. THE DEFECTIVE CB WAS REMOVED FROM THE SYS & A NEW BREAKER INSTALLED, FT OK.