What was found
DAY FLIGHT 3316 CREW REPORTED THAT AFTER TAKEOFF, GOT THE LANDING GEAR LEVER DISAGREE WARNING, AND THE LANDING GEAR WOULD NOT RETRACT. RETURNED TO DAY AND LANDED WITHOUT INCIDENT. AIRCRAFT WAS FERRIED TO TYS WHERE MAINTENANCE PERFORMED A LANDING GEAR RETRACTION CHECK, AND AN AIR GROUND OPERATIONAL CHECK. ALL OPERATIONAL CHECKS WERE GOOD. NO DEFECTS WERE FOUND. AIRCRAFT WAS RETURNED TO SERVICE.