What was found
FLIGHT 5380 - EN ROUTE TYS-CHS RECEIVED A LEFT COWL ANTI-ICE CAUTION MESSAGE, FLIGHT RETURNED TO TYS. RESET THE LEFT ENGINE COWL ANTI-ICE VALVE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLIGHT 5380 - EN ROUTE TYS-CHS RECEIVED A LEFT COWL ANTI-ICE CAUTION MESSAGE, FLIGHT RETURNED TO TYS. RESET THE LEFT ENGINE COWL ANTI-ICE VALVE.