What was found
DURING TAXIOUT "FMC DISAGREE" APPEARED ON BOTH MAP DISPLAYS AND BOTH FMC SCRATCH PADS. ACFT GROUNDED. ACCOMPLISHED QRH "FMC DISAGREE" PROCEDURE. OPS NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING TAXIOUT "FMC DISAGREE" APPEARED ON BOTH MAP DISPLAYS AND BOTH FMC SCRATCH PADS. ACFT GROUNDED. ACCOMPLISHED QRH "FMC DISAGREE" PROCEDURE. OPS NORMAL.