What was found
FLT 519 - PIT-GSO - AFTER TAKEOFF FROM PIT, WHEN CREW RAISED THE GEAR THE GEAR UNSAFE LIGHT ILLUMINATED. RECYCLED GEAR, NO HELP. NO EMERGENCY WAS DECLARED. FLIGHT RETURNED TO PIT WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED RIGHT MAIN DOOR SAFE SWITCH AS PER MM 32-61-7. OPERATIONAL CHECK GOOD. (M)