As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS - ENG2 OIL SENSOR FAULT ECAM CAME ON DURING ENGINE 2 START AND WENT AWAY JUST BEFORE COMPLETING ENGINE 2 START. DUE TO REPEAT WRITE- UP OF ENG 2 OIL SENSOR FAULT NEED TO REPLACE PHMU. FOUND INTERNAL FAULT/ SNSR INTERFACE FAIL CODE 773101. REOMVED AND REPLACED PHMU PER AMM 77-31-01. IDLE ENG RUN TEST OK.