As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EQUIPMENT COOLING OVERHEAT EICAS MESSAGE DURING CLIMB . COMPLIED WITH QRH, MESSAGE EXTINGUISHED AFTER OVER RIDE SELECTION FOR 30 MIN , MESSAGE REMAINED . EXTINGUISHED DURING THE REMAINDER OF THE FLIGHT. PERFORMED FIM 21-58 FT 815, NO DEFECTS NOTED, SYSTEM OPS NORMAL.