As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) M/R TRANSMISSION NOISE. CHIP DETECTOR LIGHT WAS NOTICED AND SUBSEQUENT INSPECTION OF CHIP DETECTOR PLUG REVEALED SEVERAL METAL FLAKES. TRANSMISSION WAS REMOVED, DISASSEMBLED AND OUTPUT RING GEAR TOOTH WAS FOUND TO BE COMPLETELY BROKEN OFF. TOOTH AND LARGE AMOUNTS OF METAL FOUND AT BOTTOM OF CASE.