What was found
CLIMBING THRU FL300 F/O FELT SLIGHT VIBRATION, BUT NO INDICATIOINS OR ECAM AT FL 355, THERE WAS A YAW AND LOUD BANGING, EPR HAD DROPPED TO BELOW 1, OTHER ENGINE INSTRUMENTS LOOKED NORMAL, BUT THE LOUD BANGING CONTINUED WITH THROTTLE AT IDLE. OIL PRESSURE WAS 2 PSI AFTER ENGINE SHUTDOWN AND NR 1 AGENT WAS DISCHARGED, AFTER FIRE HANDLE WAS PULLED, IAW QRH, DUE CONTINUED BANGING AND SUSPECTED DAMAGE. CHECKED EXHAUST AREA FOUND SOME METAL DEBRIS AND FADEC REPORT FAULT CODE ON NR 2 CHANNEL A & B 350-0010. REMOVED AND REPLACED NR 2 ENGINE.