As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE AMBER GEAR DOOR OPEN LIGHT CAME ON AND STAYED ON EVEN WITH ALL HYDRAULIC PUMPS ON. ON START OF DESCENT THE LIGHT WENT OUT. WHEN SELECTING GEAR DOWN FOR LANDING ALL LIGHTS WORKED NORMAL. REMOVED AND REPLACED RIGHT GEAR DOOR PROXIMITY SENSOR AND PERFORMED MTC CHECK REF MM 32-60-3.