What was found
PRIOR TO TAXI AND AFTER ENGINE GENERATOR PLACED ONLINE, RECEIVED AN "FMC DISAGREE" MESSAGE. ACFT GROUNDED. COMPLIED WITH CHECKLIST, FMC MESSAGE NO LONGER DISPLAYED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PRIOR TO TAXI AND AFTER ENGINE GENERATOR PLACED ONLINE, RECEIVED AN "FMC DISAGREE" MESSAGE. ACFT GROUNDED. COMPLIED WITH CHECKLIST, FMC MESSAGE NO LONGER DISPLAYED.