As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAXI IN, CYAN FLT CNTRL FAULT ILLUMINATED ALONG WITH CYAN REMOTE C/B TRIP. WE WERE ABLE TO RESET THE TRIPPED C/B REU5 AND MESSAGES CLEARED. ON TAXI OUT, CYAN FLT CNTRL FAULT AND REMOTE C/B TRIP MESSAGE RETURNED. THE REU5 C/B IS TRIPPED FOR A 2ND TIME. FOUND WIRE SHORTED TO GROUND AROUND THE AFT MAIN BATTERY RACK LEFT CENTER EQUIPMENT BAY LOCATION.