What was found
PDX - FLIGHT 2457, ON TAKEOFF, MAIN GEAR DOOR AMBER LIGHTS REMAINED ILLUMINATED. CYCLED THE GEAR PER THE CHECKLIST. THE LIGHT WENT OUT. DIVERTED TO PDX AND ACCOMPLISHED A UNEVENTFUL LANDING. MAINTENANCE REMOVED THE L/R MLG RETRACT ACTUATOR AND ADJUSTED THE ROD ENDS AND RE-INSTALLED THE SAME ACTUATOR. PERFORMED EXTENSION AND RETRACTION IAW AMM 32-31-00-710-801. NO DEFECTS NOTED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.