As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FINAL APPROACH INTO PHKO, GEAR WAS DOWN WITH THREE GREEN LIGHTS INDICATING AND NO RED LIGHT ON THE HANDLE. AS FLAPS WERE INITIATED, GEAR WARNING HORN AND RED UNSAFE LIGHT ON GEAR HANDLE WERE ACTIVATED. ADVISED TOWER OF THE GEAR UNSAFE CONDITION AND INITIATED A GO-AROUND. CYCLED THE GEAR AND FLAPS AND ALL UNSAFE INDICATION WENT AWAY. AIRCRAFT LANDED SAFELY IN PHKO