As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB, THE CREW RECEIVED A RIGHT HAND ENGINE FIRE WARNING ON THE RED WARNING PANEL AND THE CHIMES AND FIRE BELL WENT OFF. THE CREW WENT THROUGH THE CHECKLIST AND FIRED THE FIRE BOTTLES THEN SHUT OFF THE RIGHT HAND ENGINE. THE CREW DECLARED AN EMERGENCY AND RETURNED TO BOS. THE MAINTENANCE CONTROL MANAGER AND MECHANICS FROM DAY WERE DISPATCHED TO BOS. MAINTENANCE THEN INSPECTED AND REPLACED THE OVERHEAD FIRE PANEL AND THE FIRE BOTTLES IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 26-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.