As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING A MAINTENANCE FLIGHT, THE ENGINE EXPERIENCED AN UNCOMMANDED POWER REDUCTION. THE PILOT WAS UNABLE TO MODULATE POWER AND SUBSEQUENTLY SUCCESSFULLY EJECTED FROM THE AIRCRAFT. MFG WILL MONITOR THE INVESTIGATION OF THIS INCIDENT AND WILL ADVISE OF ROOT CAUSE, ONCE DETERMINED.