As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT CRUISE VTK AND MAP DISPLAYED ON CAPTAIN`S ND THEN RETURNED TO NORMAL SEVERAL TIMES. APPLIED QRH RETURNED FMC SWITCH BACK TO NORMAL REMAINDER OF FLIGHT WAS NORMAL. ACFT GROUNDED. INFLIGHT FAULT. LT FMC PROGRAM FAULT. COMPLETED FIM 34-61 TASK 807, NO FAULTS NOTED. NR 1 & 2 FMC SYSTEM OPS CHECKED NORMAL IAW MM 34-61-710-801.