As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLT FLIGHT#3177 THE CREW REPORTED A RUDDER 1/2 FAIL MESSAGE ON CLIMBOUT.THE AIRCRAFT RETURNED TO CLT AND LANDED WITHOUT FURTHER INCIDENT.MAINTENANCE REPLACED THE #1 AND #2 RUDDER PRESSURE SWITCHES.OPERATIONAL CHECKS WERE GOOD.THE AIRCRAFT WAS RELEASED FOR SERVICES.