What was found
NR 1 ENG ANTI-ICE VALVE POPPING C/B, N1, INOP, ENG POWER LEVER HAS A BUZZ AND VIBRATION. NR 1 ENG SHUTDOWN AT 2319Z DUE TO VIBRATION AND FIRE WARNING. BOTH FIRE BOTTLES DISCHARGED N1=0 N2 35 PERCENT, 10 PSI OIL PRESS FLT. CONTINUED TO MIAMI WITHOUT FURTHER INCIDENT. ENG WITH HEAVY C1 DAMAGE, FRONT COMPRESSOR ROTOR NR 1 BEARING FAILURE. REMOVED NR 1 ENG, STRUCTURAL INSP OF PYLON AND WING FRONT SPAR. ENGINE CHANGE IN PROGRESS, CAUSE OF BEARING FAILURE UNDER INVESTIGATION.