As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB AT ABOUT 5000 FT F/O PFD SHOWED AMBER LDG ALT FLAG. FOLLOWED BY MAP & VTK FLAGS ON NAV DISPLAY & SINGLE FMC OPERATION MESSAGE ON BOTH CDU'S. MESSAGES DISAPPEARED AFTER ABOUT 30 SECONDS & NORMAL OPERATION AFTER. GROUNDED - YES. PERFORMED B737-900 FIM 34-61 TASK 801 WITH NO DEFECTS NOTED. ETOPS GROUND VERIFICATION TEST OF R/H FMC GOOD.