As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INTERMITTENT VERIFY GW AND FUEL SWITCH PAD MESSAGE WHEN MESSAGE APPEARS FUEL ON PERF INT PAGE IS DASHES. GROUNDED-YES. MULTIPLE FUEL QTY PROCESS UNIT FAULTS LAST LEG AND MULTIPLE FLIGHTS. REMOVED AND REPLACED PROCESSOR, REF B737-800 AMM 28-41-81/401. OPERATIONS CHECK OK. FQIS OPERATIONS TEST PASS, REF AMM 28-41-00-710-801. ETOPS GROUND VERIFICATION OK.