As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NON-ETOPS FLT. 82, HNL-KOA - DURING DESCENT, LEFT GEAR RED LIGHT WAS ON WITH THE LANDING GEAR HANDLE IN THE DOWN POSITION. FLEW BY TOWER TO VERIFY GEAR DOWN. UNEVENTFUL LANDING AT KOA. VERIFIED LEFT DOWNLOCK SENSOR BAD. REPLACED PROXIMITY SENSOR PER AMM 32-61-31. OPS CHECK OK. OK FOR SERVICE. AIRCRAFT RETURNED TO SERVICE.