As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING INSPECTION, THE PROPELLER SPINNER WAS FOUND LOOSE. INVESTIGATION FOUND THE THREADS ON THE LOW PITCH STOP WERE STRIPPED. THE FORWARD END OF THE SPINNER IS SECURED TO THE LOW PITCH STOP. THIS LOW PITCH STOP WAS INSTALLED 24 HOURS PREVIOUSLY FOR THE SAME PROBLEM. THE THEN LOW PITCH STOP WAS ALSO FOUND STRIPPED AFTER 30 HOURS TIME SINCE NEW. THE LOW PTICH STOP WAS AGAIN REPLACED AND THE AIRCRAFT RETURNED TO SERVICE.