What was found
CREW REPORTED UNCOMMANDED RUDDER INPUTS AT 34,000 FT. CREW DECLARED AN EMERGENCY AND DIVERTED. BEGAN DESCENT AND PROBLEM PERSISTED. COMING THROUGH APPROXIMATELY 10,000 FT, YD2 INOPERATIVE WHITE STATUS MESSAGE APPEARED. UNCOMMANDED RUDDER INPUTS CONTINUED TO SHORT FINAL, ALTHOUGH LESS PRONOUNCED. MAINTENANCE TROUBLESHOT, R & R NR 2 YAW DAMP ACTUATOR AND PERFORMED CHECKS IAW AMM. ACFT RELEASED FOR SERVICE.