What was found
MAIN ROTOR BLADE FACTORY INSTALLED WEIGHT DISLODGED DURING OPERATION STRIKING MAIN ROTOR BLADE TIP CAP. TIP CAP TRAILING EDGE WAS BENT OUTBOARD APPROXIMATELY 30 DEGREES AND APPROXIMATELY ONE INCH OF WEIGHT PROTRUDED THROUGH OUTBOARD END OF SPAR. UPPER AND LOWER MAIN ROTOR BLADE SKIN BALLOONED OUT FROM FORCE OF WEIGHT IMPACT. MAIN ROTOR BLADE WAS RETURNED TO BELL HELICOPTER FOR INVESTIGATION.