As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER AIRCRAFT ARRIVED, RAMP PLUGGED GROUND POWER IN AND CREW NOTICED AN ACRID ODOR, FOUND UPPER CENTER EICAS CRT SCREEN BURNED UP AND RECEPTACLE ON AIRCRAFT BURNED PINS AND RUBBER INSULATION BURNED. BPCU BITE SHOWS EXT PWR OVR VOLT TRIP. REPLACED CRT AND REPT PINS. ALL CHECKED GOOD.