As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 8004 - ACY-IAD - DURING CRUISE, AIRCRAFT MADE AN UNSCHEDULED LANDING DUE TO CAPTAIN TOP EFIS SCREEN WENT BLANK. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REMOVED AND REPLACED EFIS SCREEN. OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)