As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT THEY RECEIVED RUDDER SYSTEM 1 AND 2 INOPERATIVE MESSAGES ON CLIMBOUT. THE ASSOCIATED MESSAGES OF YAW DAMPER FAIL AND AUTO-PILOT FAIL WERE ALSO PRESENT. THE CREW RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE RUDDER SYSTEM 1 AND 2 PRESSURE SWITCHES. OPERATIONAL CHECKS WERE GOOD WITH NO FURTHER DEFECTS NOTED.