What was found
JFK - DURING IDLE POWER DESCENT RIGHT HAND ENGINE BECAME INRESPONSIVE. AT LEVEL OFF ADVANCED THROTTLE AND ENGINE N1 REMAINED AT 20 PERCENT. RIGHT ENGINE GAS TEMPERATURE 200 DEGREES AND LOW FUEL FLOW. ACCOMPLISHED QRH ENGINE FAILURE INFLIGHT SHUT DOWN CHECKLIST. ENGINE WINDMILLED BUT WOULD NOT RESTART PER CHECKLIST. DURING WINDMILL N1 APPROXIMATELY 20 PERCENT AND NORMAL OIL QUANTITY AND PRESSURE. N2 WAS 30 PERCENT DURING WINDMILL. LANDED JFK WITHOUT INCIDENT. REPLACED FUEL PUMP AND FUEL CONTROL FOR RIGHT HAND ENGINE. SYSTEM GROUND CHECKED NORMAL OPERATION.