What was found
CLT - AFTER TAKEOFF FROM CLT, DURING GEAR RETRACTION FROM UP TO OFF, CREW RECEIVED TWO MAIN LANDING GEAR RED LIGHTS AND A LEFT MAIN LANDING GEAR GREEN LIGHT. FLIGHT RETURNED TO FIELD AT CLT AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE LANDING GEAR LEVER LATCH SOLENOID. ALSO, REMOVED AND REPLACED THE LEFT MAIN LANDING GEAR UPLOCK ACTUATOR PER MM 32-32-41-4. PERFORMED RETRACTION TEST PER MM 32-32-00-501. OPERATIONAL TEST GOOD.