As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SINGLE FMC OPERATION IN SCRATCH PAD NEAR TOP OF DESCENT SELECTED FMC BOTH ON 1 AFTER F/OS DU SHOWED MAP FLAG. FMC DID NOT RESTORE TO DUAL FMC BEFORE SHUTDOWN. ACFT GROUNDED. OPS NORMAL ON GROUND WITH NO DEFECTS NOTED BITE OK WITH NO CURRENT FAULTS REF FIM 34-61-00-810-801. VERIFICATION FLIGHT SATISFACTORY.