What was found
NR 2 ENGINE FAULT 73-11282. EEC CHANNEL IS NOT ENERGIZED WITH THE ALTERNATOR VOLTAGE. FAULT FOUND ON LEGS 4 & 10. ACFT GROUNDED. TSR 908615 ACCOMPLISHED, T/C 78273000. FOUND RECENT FAULTS FOR THE NR 2 ENGINE. DUE TO MULTIPLE INTERNAL EEC FAULT CODES AND FIM 73-27 TASK 805, REMOVED AND REPLACED THE NR 2 ENGINE EEC IAW AMM 73-21-60/401. VERIFIED NR 2 ENGINE EEC SOFTWARE AND COMPATIBILITY WITH NR 1 ENGINE EEC SOFTWARE. ALL TESTS PASSED, ETOPS GROUND VERIFICATION SUCCESSFUL, AND REPAIR CONFIRMATION SUCCESSFUL IAW FIM 73-27 TASK 805. REMOVED DRIVE-PAD COVER IAW AMM 72-63-01-000-801-F00. REINSTALLED DRIVE-PAD COVER IAW AMM 71-00-00-700-801-F00. LEAK CHECKED GOOD. REMOVED & REPLACED THE EEC ALTERNATOR IAW AMM 73-21-08-400-801-F00. ACCOMP ENGINE RUNS, EEC BITE CHECKED IAW AMM 71-00-00-700-808-F00.