What was found
(REVISED) AT ABOUT 13,000 FEET, DESCENDING INTO SEA, NR 2 ENGINE GOT VERY LOUD, FOLLOWED BY AN AIRCRAFT VIBRATION. NR 2 ENGINE TORQUE INDICATION PEGGED AND ITT INDICATED 1000 DEGREES CELSIUS. PLACED NR 2 ENGINE CONTROL TO START/FEATHER AND SHUT DOWN NR 2 ENGINE. DECLARED AN EMERGENCY, AND AIRCRAFT LANDED WITHOUT INCIDENT. SUBMITTER STATES, NR 2 ENGINE MANUAL FUEL CONTROL UNIT (MFCU). MAINTENANCE REPLACED ENGINE AND PROPELLER. AWAITING SHOP FINDINGS ON ENGINE AND PROPELLER.