What was found
DURING TAXI OUT OF SEA "FMC DISAGREE". MESSAGE APPEARED BOTH ND'S. ACFT GROUNDED. ACCOMPLISHED QRH PROCEDURE. MESSAGE NO LONGER DISPLAYED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING TAXI OUT OF SEA "FMC DISAGREE". MESSAGE APPEARED BOTH ND'S. ACFT GROUNDED. ACCOMPLISHED QRH PROCEDURE. MESSAGE NO LONGER DISPLAYED.