As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) UPON REMOVAL OF PROPELLER BLADES FROM HUB INNER RACE AT #3 BLADE POSITION, DAMAGE FOUND ON BEARING SURFACE. WHEN RACE REMOVED DAMAGE FOUND ON HUB SURFACE OF RACE, AS WELL AS THE HUB. HUB REMOVED FOR OVERHAUL. INVESTIGATION UNDERWAY TO DETERMINE IF PITTING, CORROSION OR LIGHTNING STRIKE IS THE CAUSE OF THE DAMAGE.