As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AIRCRAFT HAD A BRIEF UNCOMMANDED RIGHT RUDDER INPUT AT CRUISE ALTITUDE. AIRCRAFT BANKED ABOUT 5 DEGREES RIGHT AND YAWED SIGNIFICANTLY RIGHT THEN RETURNED IMMEDIATELY TO LEVEL FLIGHT. EMERGENCY DECLARED, FLIGHT DIVERTED TO DFW, LANDING SAFELY.