What was found
HEARD AN ENGINE NOISE, SOUND CHANGE FROM RT ENGINE & CKD STATUS OF ENGINE & PRIMARY INSTURMENTS. RT ENGINE TORQUE GOING PAST REDLINE & INCREASING. ITT INCREASED SLIGHTLY THEN DROPPED TO 450 & DECREASING. CAPTAIN DECREASED RT ENGINE TORQUE 200 NR'S AT FIRST & TORQUE CONTINUED TO INCREASE EVEN AFTER TORQUE REDUCTION OF 600 NR WHILE ITT STILL DECREASING. NG & PROP RPM STABLE & FUEL FLOW & OIL TEMPS NORMAL. PERFORMED VITAL ACTIONS ENGINE CHECKLIST & PERFORMED SUBSEQUENT ACTIONS CHECKLIST. A/C LANDING WITH 1 ENGINE SHUTDOWN, BUT DIDN'T DECLARE AN EMERGENCY. EMERGENCY VEHICLES ON STANDBY. A/C LANDED WITHOUT INCIDENT. MECHANIC R & R PROP GOVERNOR IAW MM. OPS CK GOOD & A/C RETURNED TO SERVICE. (M)