What was found
FADEC B FAULT DISPLAYED ON UPPER ECAM SCREEN. ENG 1 WITH ECAM WARNING & FAILURE MESSAGE FROM POST FLIGHT REPORT. UNABLE TO ACCESS ENG 1 FADEC B VIA CFDS, CYCLED FOLLOWING CB'S NO HELP A04, R41, F01 & Q07. ECAM REAPPEARS AS SOON AS MASTER SW IS TURNED ON. REPLACED EEC IAW MM73-22-34, TESTED OKAY.