As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SUBJECT BLADE RECEIVED WITH SCORING DAMAGE AROUND THE O.D. OF THE BUTT AREA. DAMAGE EXITS 360 DEGREES AROUND THE BUTT AND IS APPROXIMATELY .010 INCH DEEP BY .025 INCH HIGH. DAMAGE APPEARS TO HAVE BEEN CAUSED BY RESIDUAL SHOT PEEN BALLS WHICH WERE TRAPPED INSIDE BLADE PIN.