What was found
NR 1 ENGINE AUTO SHUTDOWN. LOUD BANG, OIL WAS GOOD, NO VIBRATION. ATTEMPTED RESTART, N1 READING WHEN WINDMILLING. AFTER START, CREW HEARD NOISE, ITT FLUCTUATED 4-500, THEN PROCEEDED TO CHECKLIST FOR SHUTDOWN. DECLARED EMERGENCY, LANDED WITHOUT INCIDENT. R & R THE NR 1 ENGINE IAW 72-10-400-0001.