As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
'EQUIPMENT OVERHEAT' EICAS MESSAGE FOLLOWED BY ADI BACKGROUND TURNING BLACK. SUPPLEMENTAL DATA UPDATE THE AIRCRAFT EXPERIENCED A LEFT RECIRCULATION FAN FAILURE. AFTER BEING DEFERRED, THE EQUIPMENT COOLING CIRCUIT BREAKERS WERE NOT RESET. THIS CAUSED THE EQUIPMENT TO OVERHEAT DUE TO LACK OF COOLING AIR. THIS WAS A HUMAN ERROR - NO MECHANICAL SYSTEMS WERE DESCREPANT.