What was found
Aircraft 959 on flight 5222from Charlotte to Lexington; after takeoff the left main gear intransit light illuminated and would not go out. Pilot had cycled the gear up. Gear was cycled down and indicated safe. Aircraft returned to Charlotte and made a safe landing. No emergency was declared. Maintenance trouble shot the system, jacked aircraft, adjusted up-limit switch and cycled the gear numerous times. Could not get the gear to malfunction. Aircraft was returned to srevice