As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A TRAINING FLIGHT, THE ENGINE WAS REPORTED TO EMIT NOISES AND SMOKE FOLLOWED BY AN UNCOMMANDED POWER REDUCTION AND FLAME OUT. SUBSEQUENT INSPECTION REVEALED FRACTURED POWER TURBINE BLADES. P&WC WILL INVESTIGATE THE EVENT AND WILL ADVISE OF ROOT CAUSE ONCE ESTABLISHED.