What was found
DURING DESCENT LEAVING FL350 APPROACHING FL330 FUEL HEAT WAS ON NR 3 ENGINE, WOULD NOT RESPOND BEYOND 65 PERCENT TO THROTTLE MOVEMENT. NO LOUD NOISES, NO EGT INCREASES. ENGINE WAS SHUTDOWN AND RESTARTED PER AOM. NO FUEL FLOW WITH START LEVER IN IDLE. PLACED START LEVER TO RICH AND ENGINE STARTED OK. PLACED START LEVER TO IDLE AND ENGINE APPEARED NORMAL. REMOVED AND INSPECTED FUEL CONTROL PRESSURE FILTER AND REINSTALLED. NO FOREIGN OBJECTS FOUND, OP CHECK GOOD PER MM 71-21-03. OP CHECK OF FUEL DEICING SYSTEM GOOD PER MM 73-14-00. GROUND TEST AT IDLE ENGINE APPEARED NORMAL.