As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB-OUT, ENGINE BEGAN TO VIBRATE AND COMPRESSOR STALL. OIL PRESSURE WENT TO ZERO. PILOT PERFORMED SHUTDOWN AND RETURNED TO AIRPORT. POST FLIGHT INSPECTION OF ENGINE REVEALED METAL ON CHIP COLLECTORS AND THE SPOOLS DID NOT TURN FREELY (BEARING NOISE). THE MANUFACTURER WILL PROVIDE A TEARDOWN REPORT SOON.