What was found
PILOT REPORT: WHILE ON DOWNWIND FOR LANDING KBZN WE HAD THE "RUDDER AUTO REVERSION TO MANUAL MODE AND LOST ALL RUDDER HYDRAULIC PRESSURE". WE RAN THE APPROPRIATE CHECKLIST "ABNORMAL PROCEDURES" PAGE 45 OF THE 215T QRH. SYSTEM HYDRAULIC LEVELS WERE STABLE BUT RUDDER PRESSURE REMAINED ZERO. WE LANDED THE AIRCRAFT IN KBZN IN RUDDER "MANUAL" WITH NO INCIDENT. MAINTENANCE REPORT: TROUBLESHOT THE ISSUE AND DETERMINED RELAY K8CR P/N M83536/2-028M (Q SWITCHES TEST RELAY) WAS FAULTY. THE RELAY WAS REPLACED AND FUNCTION CHECKED GOOD.