As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON A GROUND RUN-UP PRIOR TO A SCHEDULED INSPECTION A PARTIAL POWER LOSS WAS DETECTED. A MOTO-STAT WAS CARRIED OUT AND #6 CYL. HAD VERY LOW COMPRESSION. A FILTER CHECK WAS CARRIED OUT AND SUBSTANIAL METAL PARTS, ALM, CHROME AND STEEL WERE FOUND THAT ARE CONSISTANT WITH A PISTON FAILURE. THE ENGINE HAS BEEN REMOVED FROM SERVICE. STRIP REPORT TO FOLLOW.