As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLIGHT WAS ON THE TAKEOFF ROLL WHEN THE FLIGHT CREW RECEIVED A FLIGHT GUIDANCE COMPUTER FAIL WARNING MESSAGE ON THE EICAS DISPLAY. THE FLIGHT CREW ABORTED THE TAKEOFF AND EXITED THE RUNWAY. ONCE CLEARING THE RUNWAY THE WARNING MESSAGE CLEARED ITSELF WITH NO ACTION FROM THE FLIGHT CREW. THE FLIGHT CREW THEN ATTEMPTED ANOTHER TAKEOFF AND WAS SUCCESSFUL WITH NO FURTHER PROBLEMS.