As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKE OFF ROLL, THE AIRCRAFT BEGAN PULLING TO THE RIGHT AND WAS NOT CORRECTABLE WITH RUDDER OR STEERING. TAKE OFF ABORTED AT APPROXIMATELY 30 KNOTS. NO ADVERSE INDICATIONS OR WARNINGS WERE OBSERVED ON INSTRUMENTS. CREW REVIEWED EICAS SYSTEM PAGES WITH NO ANOMALIES NOTED. SUBSEQUENT TAKE OFF WAS UNEVENTFUL.