As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAXI OUT AIRCRAFT PERFORMED AN UNCOMMANDED RT TURN. DURING TAKEOFF ROLL WARNING LIGHT ON MAP FLASHED A COUPLE OF TIMES & THE AIRCRAFT JERKED TO THE RT TWO TIMES, AFTER TAKEOFF AIRCRAFT JERKED TO THE RT TWICE AGAIN. FLT#6264 REPLACED RUDDER PCU & ADJUSTED ALL GCU`S IAW AMM. PN: 321100-1003 SN ON: 0010A SN OFF: 0336