What was found
WHILE EN ROUTE, AN EMERGENCY LANDING WAS REQUIRED FOR FUEL STOP (DUE TO A COMBINATION OF LONG TAXI TIME IN EWR AND WEATHER EN ROUTE). THE AIRCRAFT WAS DIVERTED TO JAX AND WHILE ON FINAL APPROACH THE NR 1 ENGINE FAILED. THE AIRCRAFT LANDED AT JAX WITHOUT INCIDENT. MAINTENANCE FOUND INTERNAL DAMAGE TO THE NR 1 ENGINE NOSE COWL, BELIEVED TO BE CAUSED BY SEPARATION OF A FAN BLADE. THE NR 1 ENGINE WILL BE REMOVED AND REPLACED. *S/D* INVESTIGATION CONCLUDED THAT THE PRIMARY CAUSE OF ENGINE FAILURE WAS DUE TO SEPARATION OF A FAN BLADE CAUSED BY FOD.