What was found
ETOPS- ATB DUE TO ENG 2 EGT OVERTEMP MESSAGE ON ECAM. DURING PERFORMING TSM 77-21-00-810-855-A, FOUND LOOSE FASTENER ON TERMINAL BLOCK 3019VC. RE-SECURED LOOSE FASTENER. BITE CHECK EEC CHANNEL A&B, CHECKED OK. ENGINE IDLE RUN 3 TIMES. NO DEFECTS NOTED. OK FOR SERVICE.