What was found
ON GEAR RETRACTION, NOSE GEAR DOOR AND UNSAFE LIGHTS REPEATEDLY CYCLED. CREW FOLLOWED EMERGENCY AND ABNORMAL CHECKLISTS AND GEAR RETRACTED NORMALLY. NO EMERGENCY DECLARED. MX INSPECTED NOSE GEAR AND NOSE GEAR DOORS AND WERE UNABLE TO FIND ANYTHING OUT OF THE ORDINARY. CLEANED NOSE GEAR PROXIMITY SWITCH AND RERACKED THE PSEU. GROUND OPS CHECK PERFORMED WITH SATISFACTORY RESULTS. ACFT RETURNED TO SERVICE.