As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 80 - HNL-KOA - RIGHT MAIN GEAR UNSAFE. RED LIGHT REMAINED ILLUMINATED AFTER GEAR UP. RETURNED TO HNL. PERFORMED LANDING GEAR EXTENSION/RETRACTION TEST. NO DISCREPANCIES. MEASURED AND FOUND UPLOCK SENSOR GAP TO BE WITHIN TOLERANCES IN MM CHAPTER 32-61-21. REPLACED RT MLG UPLOCK PROXIMITY SWITCH AND MLG RED LIGHT PC CARD FOR T/S PURPOSES AND PRECAUTIONARY REASONS. (M)