As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - CREW REPORTED BOTH CAPTAINS AND FIRST OFFICERS NAVIGATIONAL DISPLAYS WENT BLANK FOR SEVERAL SECONDS THEN CAME BACK AND OPERATED NORMALLY. EMERGENCY DECLARED FLIGHT RETURNED DFW LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED TCAS PROCESSOR AND NUMBER TWO DISPLAY ELECTRONIC UNIT. SYSTEM GROUND CHECK NORMAL OPERATION.