What was found
FLT NR 0459 - IAH - THE NOSE GEAR RED LIGHT REMAINED ILLUMINATED AFTER GEAR RETRACTION LEAVING IAH. CYCLING THE GEAR DID NOT HELP. THE AIRCRAFT WAS RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. THIS WAS THE SECOND AIR RETURN FOR THE SAME INDICATION PROBLEM. MAINTENANCE FOUND THE NOSE GEAR OVERCENTER SENSOR AT FAULT. THE SENSOR WAS REMOVED AND REPLACED. NOSE GEAR OPERATION AND INDICATION CHECKED NORMAL. (W)