As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 150 FROM LAX TO MCI. GEAR DOOR OPEN LIGHT ILLUMINATED WHILE LEVELING OFF AT CRUSE. CYCLED ENGINE HYDRAULICS TO HI AND LIGHT WENT OUT. FOUND THE LEFT HAND GEAR DOOR PROX SENSOR TARGET LOOSE. RESECURED AND OP'S CHECKED GOOD PER MM 32-60-00.