As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THROUGH REVIEW OF ENGINE PERFORMANCE DATA IT WAS DISCOVERED THE RIGHT ENGINE WAS OVER SPED BY MORE THAN 10% DURING FLIGHT TRAINING DOING BACK-TO-BACK PRACTICES OF SIMULATED ENGINE OUT OPERATIONS. PER MANUFACTURE'S GUIDANCE THE ENGINE WILL BE REPLACED.