As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TRANSMISSION ARRIVED TO OUR FACILITY FOR REPAIR DUE TO METAL PARTICLES FOUND IN FREEWHEEL AND ON TRANSMISSION OIL FILTER MAGNETIC PLUG. DURING OUR INSPECTION, WE FOUND THAT NUT PN 206-040-045-001 WAS INSTALLED INCORRECT, THE RESULT OF THIS WAS 2 BROKEN TANGS ON THE NUT. THE 2 BROKEN TANGS WERE LATER FOUND INSIDE THE TRANSMISSION.