What was found
DURING TAXI OUT, FMC LIGHTS ILLUMINATED. ACFT GROUNDED. FOLLOWED QRH GUIDANCE OPS RESTORED TO NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING TAXI OUT, FMC LIGHTS ILLUMINATED. ACFT GROUNDED. FOLLOWED QRH GUIDANCE OPS RESTORED TO NORMAL.