What was found
GATE RETURN, ENGINE AUTO SHUT-DOWN, AFTER ENG START, PUSHBACK, AND COMPLETING AFTER START FLOW, ENG 2 ECAM FAILURE MESSAGE CAME UP AND NR 2 SPOOLED-DOWN. REMOVED AND REPLACED NR 2 STATOR, ENG DEDICATED ALTENATOR (EDA). OPS CK NML. ENG SHUT DOWN ON TAXI OUT, NO FAULT FOUND. NR 2 ENG FAIL MSG AFTER START. STARTED 4X, NO FAULT FOUND. A/C ON CRITICAL ALERT, EEC REPLACED. ONLY NR2 ENG SHUTDOWN, SECOND ATTEMPT OPS NML.