As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE TIP CAP ENCLOSURE ON ONE OF THE MAIN ROTOR BLADES WAS FOUND CRACKED. THERE WAS NO EVIDENCE OF DAMAGE TO THE EXTERIOR THAT WOULD HAVE CAUSED IT TO CRACK. IT IS SUSPECT THAT WATER ENTERED, FROZE AND CAUSED IT TO CRACK. MFG PRODUCT SUPPORT WAS CONTACTED, THE PART WAS CHANGED IAW THE INSTRUCTIONS AND THE BLADE RETURNED TO SERVICE.