As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
((QR9R)) MAIN ROTOR BLADE MID SPAR WEIGHT CAME LOOSE DURING OPERATION CAUSING THE WEIGHT TO BLOW OUT THE END CAP. DEFECT WAS NOTICED ON POST FLIGHT INSP. PILOT DID NOT REPORT ANY UNUSUAL VIBRATIONS. THIS IS NOT THE FIRST BLADE THAT THE MID WEIGHT HAS COME LOOSE AT THIS FACILITY. THE REMAINING TIME LEFT ON THIS BLADE WAS 764 HOURS BEFORE REPLACEMENT WAS DUE. MFG HAS REQUESTED THAT THE ARMY SEND THE BLADE TO THEM FOR EVALUATION.