What was found
EWR - CO2514, CREW REPORTED, ON SHORT FINAL, AUTOPILOT DISCONNECTED, YAW DAMPENER FAIL, AND RUDDER SYSTEM NR 1 AND NR 2 FAIL INDICATION, CREW DECLARED AN EMERGENCY AND LANDED UNEVENTFULLY. MAINTENANCE REMOVED AND REPLACED NR 1 AND NR 2 RUDDER PRESSURE SWITCHES. OPS CHECKED GOOD, REQUIRES SYSTEM TEST FLIGHT. FLEW AIRCRAFT AND FOUND TEST FLIGHT SATISFACTORY. AIRCRAFT RETURNED TO SERVICE.