As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ND DISPLAY WENT OUT, IP TURNED IT BACK ON. SEVERAL MINS LATER IT FLICKERED OFF AND BACK ON, THEN WENT OFF AND WOULD NOT COME BACK ON. MAINTENANCE WAS UNABLE TO GET ND DISPLAY BACK ON WHILE ON PARKING PAD. CALLED FOR A PL OVER GROUND.