As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING AFTER TAKEOFF CHECK, WHEN GEAR WAS RAISED, CENTERING LIGHT CAME ON AND UNSAFE UP INDICATION - 3 GREEN AND 1 RED - DISPLAYED. GEAR LOWERED TO 3 GREEN BUT CENTERING LIGHT REMAINED ON. AT DESTINATION - ICY - MAINTENANCE VERIFIED VISUALLY THAT GEAR WAS SAFE PRIOR TO LANDING FROM HOVER. LANDING UNEVENTFUL. WORN BOLT ALLOWED TARGET TO MOVE AWAY FROM NOSE LANDING GEAR PROXIMITY SENSOR.