As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT APPROX 20 TO 30 KIAS DURING TAKEOFF ACFT STARTED AN UNCONTROLLED TURN TO THE RT. ABORTED TAKEOFF. INSPECTED NLG TIRES FOR WEAR AND LIKE TREAD PATTERN. ALL OK. CHECKED RUDDER TRIM FOR PROPER SETTINGS AND OPERATES OK. CHECKED BRAKE METERING VALVES FOR CLEARANCE AND ALL WITHIN LIMITS, AMM 32-51-00, SYS TEST OK.