As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW RECEIVED A FIRE WARNING INDICATION FROM THE RT ENGINE DURING CLIMBOUT OF IAH. THE THROTTLE WAS RETARDED AND THE FIRE WARNING INDICATION WENT OUT. THE AIRCRAFT WAS RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE NR 2 ENGINE 8TH STAGE ANTI-ICE DUCT BLOWN AND WIRING HARNESS DAMAGE. THE ANTI-ICE DUCT WAS REPLACED IAW MM 75-10-02 AND THE WIRING WAS REPAIRED. THE ENGINE WAS RUN WITH NO LEAKS NOTED AND OPERATION CHECKED GOOD.