As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAX - RIGHT MAIN LANDING GEAR DOWN AND LOCK INDICATION FAILED TO ILLUMINATE ON GEAR EXTENSION. MAINTENANCE CLEANED AND LUBED RIGHT MAIN LANDING GEAR DOWNLOCK MICROSWITCH. PERFORMED TEST FLIGHT. OPERATIONAL CHECK SATISFACTORY. AIRCRAFT RETURNED TO SERVICE. (M)