What was found
PILOT COMPLAINED OF STUCK THROTTLE ON GROUND. FOUND ALTERNATE AIR DOOR BROKEN OFF AND WEDGED IN THROTTLE BODY. HINGE APPEARED TO HAVE WORN COMPLETELY THROUGH.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PILOT COMPLAINED OF STUCK THROTTLE ON GROUND. FOUND ALTERNATE AIR DOOR BROKEN OFF AND WEDGED IN THROTTLE BODY. HINGE APPEARED TO HAVE WORN COMPLETELY THROUGH.