As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN ROTOR BLADE CRACKED. DURING POST-FLIGHT INSPECTION, AND REQUIRED COMPLIANCE WITH SB, (BLADE INSPECTION METHOD) INDICATION WAS FOUND ON BLADE (SN 64M-6547-5926) BLADE WAS REMOVED. CRACK WAS DETECTED ON TOP SIDE BETWEEN POCKET NR8 AND NR9. CRACK LENGTH APPROXIMATELY 1.750 INCH. CORROSION, PITTING.