As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) BLADE RETURNED FOR EVALUATION. AT STA 760 MM, AT ROOT END, AN AREA OF SKIN (150 MM LONG BY 2 MM WIDE) WAS MISSING FROM THE ROOT MATING FACE. THIS APPEARS TO BE A MANUFACTURING DEFECT AND HAS BEEN RETURNED TO THE MANUFACTURER FOR EVALUATION/REPAIR.