As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER LANDING WHEN TAXIING LEFT FMC FAILED ( VTK ON LEFT SIDE AND FMC MISSING ON CDU ). FMC CAME BACK ON APPROXIMATELY 30 SECONDS LATER WITH NO FAULTS DISPLAYED. GROUNDED - YES. RAN B737-900 FIM TASK 34-61- TASK 836. CYCLED POWER TO LEFT FMC, OPS RESTORED AND CHECKS OK REF SAME.