As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PROPELLER WAS LEAKING GREASE. DURING TEAR DOWN FOUND WATER IN HUB. WATER HAD CORRODED SPRING. SPRING SUBSEQUENTLY BROKE INTO FOUR PIECES. ALSO, FOUND BOTH BLADE SHANKS SERIOUSLY CORRODED IN AREA ADDRESSED BY AD 77-12-06. LAST DOCUMENTED OVERHAUL ON PROP WAS 10/85. (X)