As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAPTAINS FMC FAILED ON FINAL APPROACH. TRIED RESTORING DUAL FMC OPS WITH QRH SITTING ON TAXIWAY. CAPTAINS FMC REMAINED FAILED. GROUNDED - YES. REMOVED POWER FROM A/C, VERIFIED BOTH FMC SHOWED IDENT PAGE ON START UP. BOTH FMC SHOW SENSORS AS OK AND NO INFLT FAULTS. OK FOR SERVICE. REF B737-900 FIM TASK 34-61-00-810-801 AND 806.