As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT FMC FAIL WITH "VTK" FLAG ON CAPTAINS SIDE - PLACED FMC BOTH ON RIGHT - AFTER 1 MINUTE RETURNED FMC'S TO NORMAL AND RECEIVED "VTK" FLAG AGAIN WITH LEFT FMC FAILURE - RETURNED TO FMC BOTH ON RIGHT TO FINISH FLIGHT. GROUNDED - YES. ACCOMPLISHED FMC BITE, PMG FOR LAST LEG WITH NO OTHER FAULT. NO HISTORY PAST 30 DAYS. FMC OPS NORMAL REF FIM 34-61 TASK 807.