As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE TAKEOFF, THE CREW RECEIVED A VNAV SYSTEM FAIL INDICATION AGAIN AND ABORTED TAKEOFF. FLIGHT 4092 RETURNED TO THE GATE. MAINTENANCE CONTROL THEN MEL'D THE SYSTEM. FLIGHT 4092 THEN ATTEMPTED ANOTHER TAKEOFF AND DEPARTED WITH NO FURTHER INCIDENTS.