As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RETURNED TO DEPARTURE DUE TO RT ENGINE FIRE WARNING DURING CLIMB. ENGINE WAS NOT SHUTDOWN. MAINTENANCE FOUND REAR RT ANTI-ICE DUCT BLOWN. ALSO FOUND UPPER COWL DAMAGED. REPLACED RT REAR ANTI-ICE TUBE. UPPER COWL REPLACED ON LP 8019864. LEAK/ENGINE RUNS NORMAL. AIRCRAFT RTS.