As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PROPELLER ASSEMBLY WAS REMOVED FOR EXCESSIVE VIBRATION DURING DISASSEMBLY AND INSPECTION, IT WAS DETERMINED THAT THE VIBRATION WAS DUE TO THE UNEVEN WEAR OF THE BEARING INSERT. INSERT HAD DETERIORATED FROM .100 INCH TO .0840 INCH AT THE THINEST WALL TO .098 INCH AT THE THICKEST WALL WEARING IN AN OVAL FASHION. BLADE PIN AND BEARING WERE REMOVED FROM SERVICE AND REPLACED WITH SERVICABLE UNITS. PART TOTAL CYCLES, 2,044.