As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH, ALL THREE DISPLAYS (PFD 1, PFD 2, AND MFD) WENT BLANK FOR A FEW SECONDS. CREW FLEW WITH REFERENCE TO STANDBY INSTRUMENTS DURING THIS TIME. ALL CAME BACK TO NORMAL AND THEY LANDED NORMALLY. MFD HAS GONE BLANK ON 2 SUBSEQUENT LEGS AS WELL AS HALF OF PFD 1. BEING TOLD WE SHOULD REPLACE MFD.