What was found
EN ROUTE DFW TO TOL UPON GEAR RETRACTION, THE LEFT MAIN GEAR DOWN AND LOCK LIGHT REMAINED ILLUMINATED. THE CREW RECYCLED THE LANDING GEAR AND THE INDICATION REMAINED THE SAME. THE FLIGHT CONTINUED TO TOL WITH THE LANDING GEAR IN THE DOWN AND LOCKED POSITION AND MADE AN UNEVENTFUL LANDING. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND THE LEFT MAIN GEAR RETRACT PIN SHEARED. MAINTENANCE REPLACED THE RETRACT PIN IN ACCORDANCE WITH DACO MAINTENANCE MANUAL PROCEDURES.