As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FMC DISAGREE ON GROUND FOLLOWED QRH. THE GROUND POWER CART HAD DROPPED OFF A COUPLE OF TIMES BEFORE THIS HAPPENED. GROUNDED YES. COULD NOT DUPLICATE. PERFORMED FIM: 34 61 00/835 FMC RT & LT BITE CK NML & NO FAULTS LOGGED. NO HISTORY 60 DAYS & SEAMC ROB NOTIFIED GROUND VERIFICATION SUCCESSFUL.