What was found
STATUS MSG RT ENG EEC C1. PERFORMED FIN PROG TASK 71-01. FAULT TREE 803. EICAS MSG CLEARED, NO FAULTS NOTED, UNABLE TO RUN ENGINE TO VERIFY FAULT. TRANSFERRED TO DMI 129093, MEL 73-21-01-04, CAT 'A'. DUE FAULT LEVEL B DUE 21JUNE 20. REMOVED AND REPLACED EEC PER AMM 73-21-04/401. OPS CHECKED GOOD IAW AMM 71-00-00-995.