As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE FAILS TO START, PROP WAS LOCKED SOLID. STARTER ADAPTER REMOVED TO FIND 2 GEAR TEETH MISSING. EMERGENCY AD 2011-25-51 SEEMS TO BE RELEVANT TO THIS FAILURE BUT DOES NOT COVER THIS ENGINE TYPE AND STARTER PN. UNABLE TO ASCERTAIN ENGINE HOURS, BUT BELIEVE THEM TO BE IN THE REGION OF 100-200 HOURS.