As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT NUMBER 208. REJECTED TAKEOFF APPROX 100 KTS DUE TO EICAS MESSAGE EQUIPMENT OVHT ILLUMINATED. AFTER SELECTING ALT EQUIP COOLING, OVHT LIGHT EXTINGUISHED BRIEFLY, THEN REILLUMINATED. RETURNED TO GATE TO INVESTIGATE OVHT. MAINTENANCE REMOVED AIR FILTER AND FLOW SENSOR TO CLEAN THEM IN ACCORDANCE WITH AMM 21-58-21, TASK 21-58-21-002-001 AND 21-58-21-142-142, NO FAULTS PRESENT AT THIS TIME. AIRCRAFT WAS RETURNED TO SERVICE.