As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MOTOR IS LOOSE ON STARTER OF RIGHT ENGINE. STARTER REMOVED FROM ENGINE ON FURTHER INVESTIGATION. THIS IS HIGH TORQUE STARTER, THEY HAVE TWO BOLTS JOINING THE TWO COMPONENTS THAT MAKE UP THE STARTED THE MOTOR AND GEARBOX THE STARTER ONLY HAS 990.8 HOURS ON IT. THE STARTER MOTOR IS LOOSE BETWEEN IT AND THE GEAR DRIVE SECTION, THE 2 BOLTS USED TO ATTACH THE TWO UNITS HAVE LOCKING TABS AND THE BOLTS ARE TIGHT AND THE LOCK TABS ARE IN PLACE. THE MOTOR APPEARS TO BE FRETTING AGAINST THE GEAR DRIVE.