What was found
ON TAXI OUT, FMC DISAGREE LIGHT CAME ON. ACFT GROUNDED. ACCOMPLISHED QRH FMS RESET WITH NO LIGHTS.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ON TAXI OUT, FMC DISAGREE LIGHT CAME ON. ACFT GROUNDED. ACCOMPLISHED QRH FMS RESET WITH NO LIGHTS.