What was found
DURING CRUISE, THE CREW RECEIVED AN ECAM MESSAGE MESSAGE FOR A NR 1 ENGINE FIRE, HOWEVER NO MASTER WARNING OR BELLS OPERATED. SHORLY AFTERWARDS, RECEIVED ECAM MESSAGES FOR DUAL ENGINE FLAMEOUT AND AVIONICS SMOKE. ALL OTHER INDICATIONS WERE NORMAL, BUT A SMOKE ODOR WAS PRESENT. FOLLOWED ECAM PROCEDURES FOR AVIONICS SMOKE AND RAT DEPLOYED FLT DIVERTED TO IND AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE NR 2 FLIGHT WARNING COMPUTER. OPERATIONALLY CHECKS, OK. ALSO STOWED THE RAT. OK FOR SERVICE.