As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RETURN FLIGHT KCHO TO KFCI, PILOT ENCOUNTERED RIGHT ENGINE FIRE ANNUNCIATION. SHUT RIGHT ENGINE DOWN AND DEPLOYED FIRE EXTINGUISHER PER AIRCRAFT ENGINE FIRE EMERGENCY CHECKLIST. PILOT DECLARED INFLIGHT EMERGENCY AND LANDED WITHOUT INCIDENT AT KFCI. MAINTENANCE IDENTIFIED RUPTURED RIGHT ENGINE OUTBOARD BLEED AIR BELLOWS DUCT. FIRE DETECTION RESISTANCE CHECKS GOOD; NO BLEED AIR LEAK DAMAGE NOTED TO STRUCTURE OR SURROUNDING SYSTEMS. REPLACED FIRE EXTINGUISHER BOTTLE WITH OVERHAULED UNIT.