As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING A 400-HOUR INSPECTION OF THIS AIRCAFT, THE INNER RACE OF THE FLAPPING HINGE BEARING WAS FOUND BRINNELLED IN TWO AREAS BEYOND THE ACCEPTABLE LIMITS. THIS BEARING WAS NEW AT THE LAST 400-HOUR INSPECTION. SUSPECT CONTAMINATION INTRODUCED DURING MANUFACTURING OF BEARING OR DURING SERVICE. MAIN ROTOR BLADE WAS REMOVED FROM SERVICE AND RENDERED UNAIRWORTHY PER MM.