As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/O VTK FLAG "SINGLE FMC OPERATIONS" IN SCRATCHPAD. GROUNDED - YES. ACCOMPLISHED B737-800 FIM 34-61 TASK 801 AND FOUND (2) INTERMITTENT FAULT FOR FMC TO CDU ON LEG G. DETERMINED TO BE INTERMITTENT PER THE FIM. OK FOR SERVICE. NO HISTORY 90 DAYS.