As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) APPROXIMATELY 40 NM NORTH OF AIRPORT, SHORTLY AFTER LEVELING OFF AT CRUISE ALTITUDE, THE FLIGHT CREW OBSERVED A DECREASE IN TORQUE FROM THE NR 2 ENGINE. THE NR 2 ENGINE WAS SHUTDOWN AND THE CREW RETURNED TO DEPARTURE. VISUAL INSPECTION OF THE 1ST STAGE COMPRESSOR SHOWED 2 BLADES SEPARATED AT THE BASE AND IMPACT DAMAGE IN THE SURROUNDING AREA.