As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT NOT GROUNDED: AFTER TAKEOFF BOTH CAPTAINS DISPLAY UNITS AND UPPER ECAM DISPLAYWENT BLANK, CAME BACK ON A MIN LATER. HAPPENED A FEW TIMES DURING FLIGHT. REPLACED DMC1 IAW AMM 31-63-34. C/W LAND CAT III CAP TEST IAW AMM 22-97-00. SUPPLEMENTAL ACTION: SECT 4, AIRCRAFT NOT GROUNDED.