What was found
AFTER PUSHBACK ON GROUND, FMC DISAGREE MESSAGE APPEARED ON BOTH FMC'S. ACFT GROUNDED. PERFORMED FMC DISAGREE CHECKLIST & RESET FMC'S. MESSAGE WENT AWAY.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER PUSHBACK ON GROUND, FMC DISAGREE MESSAGE APPEARED ON BOTH FMC'S. ACFT GROUNDED. PERFORMED FMC DISAGREE CHECKLIST & RESET FMC'S. MESSAGE WENT AWAY.