What was found
FLT 734 - FWA-DFW - ON CLIMB AT FL270, THE FLIGHT CREW HEARD THE NR 1 ENGINE MAKE A GRINDING NOISE. THE OIL TEMP INCREASED TO 120 AND THERE WAS A SHARP JUMP IN EPR. OIL PRESSURE DECREASED AND THE NR 1 ENGINE WAS SHUTDOWN. THE CREW DECLARED AN EMERGENCY AND RETURNED TO FWA. THE AIRCRAFT MADE A UNEVENTFUL LANDING. UPON INSPECTION OF THE NR 1 ENGINE, IT WAS DISCOVERED THAT THE T-3 AND T-4 TURBINE WAS DAMAGED. THE AIRCRAFT WAS MAINTENANCE FERRIED TO DFW FOR AN ENGINE CHANGE. THE NR 1 ENGINE WAS REMOVED, REPLACED, AND OPERATIONALLY CHECKED GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE. (M)