What was found
AIRCRAFT RETURNED, NOSE LANDING GEAR DID NOT RETRACT. DURING CHECK, TECH DETECTED THE LOCK PIN OF THE NOSE LANDING GEAR INSTALLED, SO IT WAS REMOVED AND AIRCRAFT WAS DISPATCHED. OVERWEIGHT LANDING INSPECTION WAS NOT NECESSARY, AIRCRAFT LANDED WITH 73900 POUNDS AND THE MAXIMUM LIMIT IS 139,500 POUNDS.