As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE THROTTLE LAY SHAFT ASSEMBLY MUST HAVE CORRECTED FROM THE INSIDE OUT & CAUSED STRESS CRACKS TO APPEAR IN THE SHAFT. IF THIS HAD CONTINUED UNATTENDED IT COULD HAVE BROKEN & CAUSED THE THROTTLE TO GET STUCK ON THAT POWER SETTING.