As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLIGHT 3426, THE CREW REPORTED MULTIPLE UNCOMMANDED RUDDER DEFLECTIONS WITH THE YAW DAMPER ENGAGED. THE AIRCRAFT LANDED AT IAH WITHOUT INCIDENT WHERE MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND PIN 12 ON CONNECTOR J0881 TO BE LOOSE. MAINTENANCE RESECURED THE PIN, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.