As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAXI IN VTK FLAG ON LEFT ND AND FMC OPTION NOT AVAIALBLE ON EITHER MCDU. CAME BACK ON THEN DISAPPEARED MULTIPLE TIMES. ALL ONLY ON THE GROUND DURING TAXI IN. GROUNDED - YES. FMC BITE TEST ACCOMPLISHED PER AMM 34-61-00. FMC OPS GOOD. FMC AVAILABLE ON MCDU.