What was found
"FMC DISAGREE" ON TAXI OUT, ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE IAW QRH. FMCS RESTORED NORMAL. MESSAGE NO LONGER DISPLAYED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
"FMC DISAGREE" ON TAXI OUT, ACFT GROUNDED. ACCOMPLISHED RESET PROCEDURE IAW QRH. FMCS RESTORED NORMAL. MESSAGE NO LONGER DISPLAYED.