As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF, THE CREW RECEIVED A RIGHT HAND ELECTRONIC CONTROL UNIT FAIL MESSAGE. THE CREW ABORTED TAKEOFF AND CONFERRED WITH MAINTENANCE CONTROL WHO INSTRUCTED THE CREW TO ATTEMPT ANOTHER TAKEOFF. THE CREW ATTEMPTED ANOTHER TAKEOFF AND FLIGHT 4024 DEPARTED PIT WITH NO FURTHER INCIDENTS.