As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON ACFT RETURN FROM REVENUE FLIGHT & DURING PM SHIFT CHANGE PILOT FOUND 2 INCH, 45 DGREE ANGLE CRACK ON UPPER AFT PROFILE AREA 6 INCHES OUT FROM ROOT END & 2' FWD OF TE OF THE GREEN MAIN ROTOR BLADE. REPLACED THIS MRB & RETURNED THE ACFT TO SERVICE.