As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER SHUT-DOWN, PILOT NOTICED ONE PROPELLER BLADE ROOT SNAP RING HAD POPPED OUT OF ITS LOCATION DURING PREVIOUS FLIGHT. IN DOING SO, IT DAMAGED THE BLADE ROOT BY SCORING SURFACE. PROPELLER REMOVED AND SENT FOR REPAIR AT PROPELLER SHOP.