As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WHILE CLIMBING THROUGH FL115, A LOSS OF POWER OCCURRED WITH FLAMES VISIBLE COMING OUT OF THE EXHAUST. THE PILOT ELECTED TO SHUT THE ENGINE DOWN AND RETURN TO THE POINT OF DEPARTURE FOR A SINGLE ENGINE LANDING. MFG WILL CONTINUE INVESTIGATING THE EVENT AND ADVISE OF ROOT CAUSE ONCE ESTABLISHED.