As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT AFTER LANDING LEFT FMC FAILED, VTK DISPLAYED ON CA MAP DISPLAY AND NO FMC DATA OR SCREENS WAS DISPLAYED ON MCDU CA SIDE. GROUNDED - YES. PERFORMED T/S PER B737-900 FIM 34-61 TASK 836. FMC PROMPT PRESENT ON MCDU. FURTHER T/S SHOWED LEFT FMC HAD A "PGM FAULT" ON GRD. PER FIM 34-61 TASK 807, FMC PROMPT NOW SHOWS, FAULT WAS INTERMITTENT. CK'S GOOD FOR SERVICE.