What was found
OPERATOR COMPLAINED OF HEAVY RUDDER AND OUT OF TRIM. UPON INSPECTION, FOUND RT RUDDER CENTERING SPRING BROKEN AT AFT ATTACHMENT. AIRCRAFT 4.6 HOURS SINCE 'OWNER ASSISTED ANNUAL INSPECTION' WAS COMPLETED. AREA IS AWKWARD TO INSPECT UNLESS AREA PANELS ARE REMOVED INCLUDING CENTER PANEL FORWARD OF CENTER PEDESTAL. SPRING EXHIBITS WEAR IN AREA WHERE IT BROKE. AREA SHOULD BE INSPECTED AT 100 HR AND ANNUAL INSPECTIONS. THIS WAS THE SECOND 'SAFETY OF FLIGHT' CONDITION FOUND THIS DATE.