As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS - AFTER BOTH ENG STARTS (2&1) GOT ECAM: ENG 2 EIU FAULT. DID QRH RESET PROCEDURE ECAM CLRD. OPS NORM. ACCOMPLISHED BITE TEST OF EIU 1 & 2 PER AMM 73-25-34. NO FAULTS FOUND. OK TO CONTINUE SERVICE. REMOVED AND REPLACED (6KS) SWITCH PER AWM 73-25-34 AS PRECAUTION.