What was found
(CAN) INPUT QUILL IN-FLIGHT FAILURE, FREEWHEEL UNIT FAILURE, INPUT DRIVESHAFT FAILURE, ENGINE OVERSPEED, AUTOROTATIVE LANDING.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) INPUT QUILL IN-FLIGHT FAILURE, FREEWHEEL UNIT FAILURE, INPUT DRIVESHAFT FAILURE, ENGINE OVERSPEED, AUTOROTATIVE LANDING.