As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) TAP TEST OF MAIN ROTOR BLADE PERFORMED AT 100 HR INSPECTION REVEALED AREA OF DELAMINATION ON UPPER SKIN. DELAMINATION CENTER OF MASS IS 77.5" FROM BLADE TIP AND 4.5" FROM T/E. DELAMINATION AREA IS 1.5" X 3.5". NO SIGNS OF IMPACT DAMAGE TO UPPER SKIN IN THE DELAMINATED AREA.