As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOS - FLT 2176 - NR 2 ENGINE OVERHEAT CAME ON DURING CLIMB-OUT. RETARDED THROTTLE, LIGHT WENT OUT. FLIGHT RETURNED TO BOS WHERE LANDING WAS WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND RIGHT ENGINE COWL ANTI-ICE SUPPLY DUCT BLOWN BETWEEN CROSS OVER DUCT AND COWL ANTI-ICE VALVE. REPLACED ANTI-ICE DUCT. RUN UP AND LEAK CHECK OK. (W)