As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PRACTICE AUTOROTATION, ENGINE SHUTDOWN DUE TO THROTTLE INADVERTENTLY CLOSING INTO FUEL CUTOFF POSITION. STUDENT`S LEG CONTACTED IDLE, IDLE RELEASE BUTTON ON COLLECTIVE STICK HEAD AND THIS ALLOWED THROTTLE TO ROTATE BEYOND IDLE POSITION. HAVE CONTACTED THE AIRCRAFT MFG PREVIOUSLY DUE TO PRIOR SHUTDOWNS. (2 TIMES) (1ST SHUTDOWN TODAY) (K)