As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED A FUEL CHANNEL 1/2 CAUTION MESSAGE SHORTLY AFTR TAKEOFF. CREW ELECTED TO RETURN TO CLT AND LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE FUEL QUANTITY COMPUTER IN ACCORDANCE WITH THE AIRCRAFT MAINTENANCE MANUAL 28-41-22-400-801. OPERATIONAL CHECKS WERE GOOD. AIRCRAFT WAS RELEASED FOR SERVICE.