What was found
FLT 2010, LAX-LAX (ETOPS). ENG 2 FADEC SYS FAULT ECAM ONCE ENG 1 START WAS INITIATED. REMOVED AND REPLACED NR 2 ENGINE EEC IAW AMM 73-21-01-400-801-A. PENDING OPS CHECK AND CAT III CHECK. REMOVED AND REPLACED NR 2 ENG EEC IAW AMM 73-21-01-000-801 AND 73-21-01-400-801. PERFORMED NR 2 ENG IDLE RUN TWICE PER AMM 71-00-00, NO FAULTS, NO MESSAGES NOTED. ACFT OK FOR SERVICE.MEL CLEARED,