What was found
MAP DISPLAY ON CAPTAIN'S NAV DISPLAY. GROUNDED - YES. CYCLED POWER TO THE AIRCRAFT, FMC FAULT MESSAGE CLEARED. A/C OK TO RETURN TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MAP DISPLAY ON CAPTAIN'S NAV DISPLAY. GROUNDED - YES. CYCLED POWER TO THE AIRCRAFT, FMC FAULT MESSAGE CLEARED. A/C OK TO RETURN TO SERVICE.