What was found
CLE - FLT 1483 - THE NOSE GEAR RED UNSAFE LIGHT REMAINED ILLUMINATED AFTER TAKEOFF FROM CLE. THE GEAR WAS EXTENDED WITH ALL INDICATIONS NORMAL AND THE AIRCRAFT WAS RETURNED TO CLE. MAINTENANCE INSPECTED THE NLG AND FOUND NO DEFECTS. ALL NLG FITTINGS WERE LUBRICATED AND SENSORS WERE CLEANED. THE NOSE GEAR WAS SWUNG THREE TIMES WITH OPERATION AND INDICATIONS CHECKING NORMAL. THE AIRCRAFT HAS COMPLETED OVER 15 FLIGHTS WITHOUT A REPEAT OF THE PROBLEM. (X)