As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT THE TAIL ROTOR CHIP DETECTOR LIGHT TURNED ON. LANDED AT WICKENBURG AZ AIRPORT, REMOVED CHIP DETECTOR AND FOUND PASTE. REMOVED PASTE FROM CHIP DETECTOR AND FOLLOWED BHT 407 MM DMC-407-A-65-00-00-00A-310A-A (UNWANTED PARTICLES) AND DMC-407-A-65-00-00-00A-320A-A (OPERATIONAL CHECK PROCEDURES). GROUND RUN FOR 20 MINUTES SHUT DOWN VISUAL INSPECTION OF CHIP DETECTOR NO ITEMS NOTED RETURNED AIRCRAFT TO SERVICE.