As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
VTK DISPLAYED CN CAPTAINS NAV DISPLAY FOR 10 SECONDS FMC DISAPPEARED FOR A COUPLE OF SECONDS ON F/O FMC. NO OTHER SYSTEM CHANGES. ALL SYSTEMS NORMAL. GROUNDED - YES. PERFORMED B737-9 IFIM 34-61-00-810-846. CYCLED BOTH FMCS C/BS NO DEFECTS NOTED.