As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING A 500 HR INSPECTION, PERFORMED A TAIL ROTOR SPAR INSP WITH DISASSEMBLY AS REQUIRED BY AD.1D(3). FOUND A LARGE PIECE OF SPAR SEPARATED ON EDGE IN LONGITUDINAL DIRECTION APPROX. 8 MM IN WIDTH AND 2 MM THICK. SEPARATION EXTENDS FROM REINFORCED ATTACHMENT SECTION DOWN TO THE BLADE ROOT. THE TAIL ROTOR WAS REPLACED.