As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CUSTOMER REPORTED POSSIBLE OIL COMING FROM PROPELLER HUB & BLADE SOCKETS. RECEIVED PROPELLER ASSEMBLY IN, PRIOR TO DISASSEMBLY TECHNICIANS APPLIED PRESS FOR TROUBLESHOOTING PURPOSES, BUT NO DROP IN AIR PRESS WAS NOTED. THE TECHNICIANS PROCEEDED TO DISASSEMBLE THE PROPELLER ASSEMBLY. DURING A VISUAL INSPECTION OF THE ENG SIDE HUB, THE ID O RING PN C-3317-211-2 WAS REMOVED & VISUAL INSPECTION REVEALED THAT THE O RING WAS BAD. THE PROPELLER ASSEMBLY TSN IS 24327.6 TSO 1087.5