As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED FUEL CHANNEL 1/2 FAIL CAUTION MESSAGE IN FLIGHT FOR A FEW MINUTES, THEN MESSAGE DISAPPEARED. CREW RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT AIRCRAFT, REMOVED AND REPLACED FUEL QUANTITY GAUGE COMPUTER AND PERFORMED CHECKS USING AIRCRAFT MAINTENANCE MANUAL. AIRCRAFT RELEASED FOR SERVICE.