What was found
DURING PREFLIGHT POWER WAS INTERUPTED. AFTER PUSHBACK "FMC DISAGREE" ANNUNCIATED. ACCOMPLISHED QRH. SYSTEM RESTORED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING PREFLIGHT POWER WAS INTERUPTED. AFTER PUSHBACK "FMC DISAGREE" ANNUNCIATED. ACCOMPLISHED QRH. SYSTEM RESTORED.