What was found
FLIGHT 5137 LAX/SBA - PILOT REPORTED, THAT THE RIGHT MAIN GEAR INTRANSIT LIGHT DID NOT INDICATE INTRANSIT. WHEN THE GEAR WAS CYCLED UP THE RIGHT MAIN GREEN LIGHT REMAINED ILLUMINATED. MAINTENANCE FOUND THE RIGHT MLG DOWNLOCK RETURN SPRING BROKEN CAUSING THE MICROSWITCH TO STAY IN THE GEAR DOWN MODE. MAINTENANCE REPLACED THE RETURN SPRING AND PERFORMED GEAR SWINGS. ALL OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.