What was found
ETOPS SIGNIFICANT SYS, LT ENGINE ELECTRONIC ENGINE CONTROL MODE, COME ON ICAS SCREEN. RAN CHECKLIST IN FLIGHT. ON ARRIVAL, NO, LT ENGINE, ELECTRONIC ENGINE CONTROL MODE, EICAS MESSAGE DISPLAYED. RESET LT AND RT EEC SWITCH TO, NORM AND RESET ELECTRONIC ENGINE CONTROL POWER. NO MESSAGE APPEARED. OK FOR SERVICE IAW AMM73-21-04.