What was found
WHILE ACCOMPLISHING T/C 78273000, FOUND A FAULT MESSAGE FOR THE NR 2 ENGINE, 73-21282, EEC CHANNEL IS NOT ENERGIZED WITH THE ALTERNATOR VOLTAGE, SHORT TIME. ACFT GROUNDED. IAWFIM 73-27, TASK 805, AN EEC CHANNEL IS NOT ENERGIZED WITH THE ALTERNATOR VOLTAGE 73-21282. EEC BITE SHOWS CH A EEC DATA NOT AVAILABLE. CONFIRMED FAULT MESSAGE IS CURRENT, FLIGHT HISTORY SHOWS FAULT ON 9 LEGS. VERIFIED ALT CH A OR J8, CHANNEL B OR J7 RESISTANCE VALUES GOOD. REMOVED AND REPLACED NR 2 ENGINE EEC, IAW AMM 73-21-60/401. OPS TESTED NORMAL.