As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE FOLLOWING HAS BEEN REPORTED. MAIN ROTOR HUB WAS REMOVED DURING ROUTINE MX & WATER WAS FOUND IN THE MAIN ROTOR HUB TO MAST JOINT AREA. FURTHER INSPECTION REVEALED PITTING IN THE AREA ON THE MAST LOWER CONE SEAT AREA. MAST & MAST ADAPTER ASSEMBLY PN 429-010-114-101 SEE ATTACHMENT.