As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NUMBER 1 FMC FAILED AND WOULD NOT RESTORE. FMC SWITCH BOTH ON 2. ACFT GROUNDED. PERFORMED FIM 34-61-00-810-801. WHILE TROUBLESHOOTING, FOUND BOTH FMC HAD STORED LAST KNOWN GPS POSITION. PERFORMED MANUAL INPUT OF CURRENT POSITION. NO OTHER FAULTS NOTED AT THIS TIME. OPS CHECKED NORMAL.