What was found
N CRUISE FLIGHT RECIEVED EICAS MESSAGE HYD 3 ELECTRIC PUMP A FAIL. RAN THE CHECKLIST AND TURNED THE PUMP OFF. ON LANDING HAD A FLIGHT CONTROL NO DISPATCH MESSAGE FOLLOWED BY A HYD 3 LOW PRESS. RAN THE CHECKLIST AND THE HYD 3 LOW PRESSURE WENT AWAY. REMOVED FROM SERVICE. REF W/0 341367 N/R-00001 AND N/R-00002 FOR WORK PERFORMED. REMOVED AND REPLACED HYD SYSTEM #3 PUMP UNLOADER VALVE.. PERFORMED ASSOCIQATED OPS TEST. OPS TEST GOOD. FCND CAUSED DUE TO HYD #3 ISSUE. FCND RETURN TO SERVICE TEST PASSED. NO FURTHER DEFECTS NOTED. NO FAULTS ON EICAS PRESENT. RETURNED TO SERVICE.