What was found
(ETOPS) FLT #43, JFK-LGW. ENG 2 MINOR FAULT ( MINOR FAULT CAUTIONS ON ECAM EWD; PLACED ENG 2 MINOR FAULT ON CA-MEL 73-30-05, CAT C. PLACARD INSTALLED. MCC DAVID NOTIFIED. MX-4 UPDATED); R/R EEC #2 ENG IAW AMM 73-21-01. OPS CHECK GOOD. THIS CLEARS MDDR 468999. MX-4 UPDATED. MCC NOTIFIED). (ON 4/2/2022, WHEN THE DEFECT WAS DEFERRED, NO ETOPS SIGNIFICANT SYSTEM WAS DISTURBED. HOWEVER, AFTER TROUBLESHOOTING ON 4/10/ 2022, THE #2 ENG EEC WAS CHANGED, WHICH DISTURBED AN ETOPS SIGNIFICANT SYSTEM. AS SUCH, THE ITEM NOW MEETS THE ETOPS SIGNIFICANT SYSTEM REPORTABLE CRITERIA).