What was found
ON THE TAXI, THE PILOTS EFIS SCREEN WENT BLANK, THE AIRCRAFT RETURN TO THE BLOCKS AND THE UNIT WAS EXCHANGED WITHOUT INCIDENT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ON THE TAXI, THE PILOTS EFIS SCREEN WENT BLANK, THE AIRCRAFT RETURN TO THE BLOCKS AND THE UNIT WAS EXCHANGED WITHOUT INCIDENT.