As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE THE RIGHT FMC FAILED WITH VTK ON THE FO'S ND. AFTER A COUPLE OF MINUTES THE SYSTEM SELF CORRECTED, WITH NO ISSUES FOR THE REMAINDER OF THE FLIGHT. GROUNDED - YES. PERFORMED B737-800 FIM 34-61-TASK 836. CYCLED FMC C/B. NO DEFECT NOTED.