As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE TAKEOFF ROLL, FLIGHT 4021 LOST REFERENCE DATA AND ABORTED TAKEOFF. WHILE DEPARTING THE RUNWAY AND ENTERING THE TAXI WAY THE REFERENCE DATA RE-APPEARED. FLIGHT 4021 WAS APPROVED FOR ANOTHER TAKEOFF ATTEMPT AND DEPARTED WITHOUT ANY FURTHER INCIDENTS.