What was found
(CAN) THE BLADE WAS SENT IN FOR A HARD LANDING INSPECTION (NOT A BLADE STRIKE). UPON INSPECTION THE ROTOR BLADE WAS FOUND CRACKED ON THE UPPER SURFACE STATION 224.0 NEAR THE TIP INERTIA WEIGHT. THE CRACK ORIGINATED AT A FASTENER HOLE AND PROGRESSED THROUGH THE BOTH UPPER SURFACE SPAR DOUBLERS AS WELL AS THE SPAR. THE UPPER SURFACE SPAR DOUBLER P/N 222-015-614-101, INTERNAL SPAR DOUBLER P/N 222-015-614-105 WERE CRACKED THROUGH THE ENTIRE CHORD OF THE PART. THE MAIN BLADE SPAR P/N 222-015-251 WAS FOUND CRACKED FROM THE SAME FASTENER HOLE.