As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APPROX 30 MINUTES INTO OUR FLIGHT, AMBER CAS MESSAGE "AUTO TAIL XFER" ILLUMINATED. AT THE TIME, WING FUEL WAS APPROX 3000 LBS EACH SIDE AND TAIL FUEL VARIED 30 TO 10 LBS. QRH CHECKLIST WAS FOLLOWED AND MESSAGE STAYED ON FOR THE REST OF THE FLIGHT. **SUPPLEMENTAL INFORMATION - REMOVED & REPLACED TAIL FUEL TANK LEVEL SENSOR MT23QB IAW MM 28-41-22.