As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE NR 1 ENGINE HAD A FIRE WARNING WHILE EN ROUTE. THE NR 1 ENGINE WAS SHUTDOWN AND THE AIRCRAFT WAS DIVERTED TO CLE WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND A NR 1 ENGINE PNEUMATIC DUCT RUPTURED. THE DUCT WAS REMOVED AND REPLACED, LEAK AND OPERATIONAL CHECKS WERE GOOD.