What was found
DURING DESCENT INTO LAS, WITH IDLE THRUST LEVERS THE NR 1 ENGINE SHUTDOWN. ENGINE RESTARTED AND OPERATED NORMALLY, RECEIVED STATUS MESSAGE LT ENG LP PUMP WITH ENGINE FAILURE FRM 73-11-05-01. DECLARED EMERGENCY, AND LANDED WITH NO FURTHER DIFFICULTIES. MAINTENANCE TROUBLESHOT IAW FIM 71-05-00, REMOVED AND REPLACED THE NR 1 ENGINE FUEL FLOW GOVERNOR IAW T/C R5M73603, AND REPLACED ENGINE TRANSIENT PRESSURE UNIT IAW BMM 75-32-15-004-001. HIGH PRESSURE FUEL PUMP WAS REMOVED AND REINSTALLED IAW T/C R5M73602, OPERATIONAL CHECK WAS GOOD. PART NAME; FUEL FLOW GOVERNOR, MFG; ROLLS-ROYCE, P/N; FFG021BH, S/N; 1947551, TT; 50415, TC; 19771, TSR; 439.