As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON START, PILOT HEARD GRINDING NOISE. ABORTED START PROCEDURE AND PERFORMED VISUAL INSP OF VISIBLE STARTER COMPONENTS. FOUND STARTER BENDIX SEVERELY DAMAGED. MAINT INSPECTION REVEALED DAMAGE TO STARTER RING GEAR. BOTH COMPONENTS (GEAR AND STARTER) REPLACED. NO FURTHER PROBLEMS DETECTED.