As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS-MCDU#2 INOP. REPLACED #2 MCDU PART # OFF 4089740 SN OFF 36044227 PART # ON D50A000-100 SN #ON D1006228 PART EFFECTIVITY VERIFIED PER A/C IPC R/R PER A330 AMM 22-83 STANLEY BOWMAN 568951. PERFORMED AFS TEST PER A330 AMM 22-96-00 TEST PESSED OK FOR SERVICE. UNIT, DISPLAY, OFF 33-2282-9-0003 44227 ON 33-2282-9-0003 06228.