What was found
NR 1 ENGINE FLAG FAULT, SHORT TIME MESSAGE 73-11281, EEC CHANNEL WAS NOT ENERGIZED WITH THE ALTERNATOR VOLTAGE ACFT GROUNDED . REPLACED THE NR 1 ENGINE EEC IAW AMM 73-21-60. FADEC SYS TESTED GOOD, S/W VERSION GOOD, EEC TESTED GOOD, GROUND VERIFICATION GOOD, NO FAULTS, IAW AMM 73-21-00. ALL TEST C/W PER POWER PLANT REFERENCE TABLE FOR EEC CHANGE REF AMM 71-00-00. AIRCRAFT OK FOR SERVICE.