What was found
DURING TAXI OUT, FMC DISAGREE MESSAGE. ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE IAW QRH AND IT RESTORED DUAL FMC OPERATIONS.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING TAXI OUT, FMC DISAGREE MESSAGE. ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE IAW QRH AND IT RESTORED DUAL FMC OPERATIONS.