As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON REMOVAL OF SPINNER DURING PHASE INSPECTION, FOUND FORWARD SPINNER BULKHEAD CRACKED. CRACK RADIATED FROM A SPINNER MOUNTING SCREW NUTPLATE RIVET, OUTBOARD TO EDGE AND INBOARD TOWARD PROPELLER BOLT HOLES. EXAMINATION OF SPINNER SCREW WASHERS FOUND ONE TOTALLY DETERIORATED WHICH MAY HAVE BEEN A CONTRIBUTING FACTOR.