As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND RIGHT HAND MID ENGINE MOUNT HOLE TO BE ELONGATED MEASURING .280/.286" WHEN NOMINAL HOLE SIZE IS .247/.251". THIS ABNORMAL ELONGATION OF THE HOLE RESULTED IN ENGINE SHIFTING OUT OF PROPER ALIGNMENT CAUSING THE MAIN DRIVESHAFT TO RUB AGAINST THE ROTOR BRAKE CALIPER COVER MOUNTED ON THE FIREWALL CAUSING SIGNIFICANT DAMAGE TO THE DRIVESHAFT.