As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE AT FL350, THE FIRST OFFICER`S FMC (CDU) SCREEN BLACKED OUT. BOTH FMC'S APPEAR TO OPERATE NORMALLY. THERE WERE NO SCRATCHPAD MESSAGES. THE FLIGHT WAS CONTINUED USING THE CAPTAINS SIDE FMC, CDU. ACFT GROUNDED. PERFORMED INITIAL EVALUATION IAW FIM 34-61, TASK 804. NO DEFECTS NOTED. PERFORMED REPAIR CONFIRMATION. OPS CHECKED GOOD. NO HISTORY.