As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT 50 KTS TAKEOFF ROLL FIRE OVHT SYSTEM FAIL EICAS MESSAGE CAME ON RIGHT ENGINE FIRE LP 1 CAME ON. ABORTED TAKEOFF. RTB AT THE GATE FAIL LIGHT WENT OUT. REPLACED FIRE LOOP NB1 FOR RIGHT ENGINE AND REPAIRED DAMAGE TO LP-2 SHIELDED WIRING ON J SIDE OF FIREWALL CONNECTOR D1280 AND REPAIRED.