What was found
FLIGHT 5223 - EN ROUTE BOS - BNA RECEIVED AN ANIT-ICE DUCT WARNING MESSAGE, FLIGHT DIVERTED TO GSO. REPLACED THE LEFT WING OUTBOARD PICCOLO TUBE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLIGHT 5223 - EN ROUTE BOS - BNA RECEIVED AN ANIT-ICE DUCT WARNING MESSAGE, FLIGHT DIVERTED TO GSO. REPLACED THE LEFT WING OUTBOARD PICCOLO TUBE.