As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING AIRWORTHINESS CK, MECHANIC FOUND CRACK IN OB LOWER END OF MAIN ROTOR BLADE CUFF (BLADE FITTING 0 DEGREE - NEW STYLE) EXTENDING FROM THE BLADE ROOT OPENING TO THE ATTACHMENT BOLT THAT HOLDS THE UPPER AND LOWER CUFF HALVES TOGETHER ON THE SECONDARY BOLT SIDE OF THE CUFF.