As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
Aircraft 883 on flight 5078 from OAJ to CLT. During cruise flight the autopilot and both yaw-damp became inoperative. Flight continued to CLT with no other problems and no emergency declared. Maintenance removed and replaced the flight guidance controller. System ops checked good. Aircraft returned to service.