As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING TAKEOFF,M THE RT ENGINE FIRE WARNING WAS ACTIVATED AND THE PILOT SHUTDOWN THE ENGINE. THE ACFT LANDED SAFELY AT POINT OF DEPARTURE. PRELIMINARY EXAMINATION REVEALED THAT A COMBUSTION CHAMBER PIN WAS FOUND MISSING/BURNED. THE ENGINE HAS ABOUT 800 HRS SINCE HSI.