As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS - #2 ENG OIL LEAKING OUT OF AIR-OIL COOLER FINS // REMOVED ENG #2 AIR-OIL HEAT EXCHANGER PER A330 AMM 79-21-51. WIP 939166. INSTALLED AIR OIL HEAT EXCHANGER AND TEST PER A330 AMM 79-21-51 TEST OK NO LEAKS NOTED COOLER, OIL-AIR OFF 43-7921-9-0001 41588 ON 43-7921-9-0001 41278