As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN ROTOR BLADE DAMAGE. DURING CLIMB EXPERIENCED LOUD THUD PERFORMED PER-CAUTIONARY TO BASE LANDING FOUND HOLE THROUGH BLUE MAIN ROTOR BLADE AND LEADING EDGE DAMAGE. NO FLIGHT CONTROL DEFICIENCIES NOTED. HOLE AND DAMAGE IS LOCATED AT APROX 165 MM FROM ROOT OF BLADE.