As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PROPELLER REMOVED FROM AIRCRAFT FOR 10 YR O/H. UPON VISUAL INSPECTION OF HUB, CORROSION BEYOND REPAIRABLE LIMITS WAS FOUND IN THE BLADE 'O' RING GROOVES. MANUFACTURERS RECOMMENDED TBO IS 2000 HRS OR 72 MONTHS. THIS PROPELLER HAS EXCEEDED THE CALENDAR TBO BY 48 MONTHS.