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 OUTSIDE DIAMETER OF THE BUTT AREA. DAMAGE EXISTS 360 DEGREES AROUND THE BUTT AND IS APPROXIMATELY .015 INCH DEEP BY .020 INCH HIGH. DAMAGE APPEARS TO HAVE BEEN CAUSED BY RESIDUAL SHOT PEEN BALLS WHICH WERE TRAPPED INSIDE THE BLADE PIN.