As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE FLIGHT R FMC FAIL INDICATED BY "VTK" ON FO S PFD FOR ABOUT 5 SECONDS L NAV AND V NAV DISCONNECTED THEN RECONNECTED AND OPERATED NORMAL; REST OF FLIGHT. GROUNDED - YES. RAN FIM 34-61 TASK 807 CYCLED POWER TO FMCS OPS RESTORED CHECK OK.