As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING RUN UP OF AIRCRAFT FOR A FLIGHT, TAIL ROTOR CHIP LIGHT ILLUMINATED. PILOT ABORTED TAKEOFF AND CALLED MECHANIC. MECHANICS INSPECTION OF TAIL ROTOR CHIP DETECTOR REVEALED A 3MM METAL CHIP IDENTIFIED AS CATEGORY E INDICATING A SIGNIFICANT FAILURE.