What was found
AIRCRAFT RETURNED AFTER TAKEOFF , IT WAS NOT POSSIBLE TO RETRACT THE NOSE LANDING GEAR WITH STRONG NOISE IN SUCH AREA. THREE FULL EXTENSION AND RETRACTION CYCLES WERE PERFORMED BUT NOSE LANDING GEAR DID NOT RETRACT. DURING CHECK, FORWARD DOOR WAS DETECTED DOWN, TESTS WERE PERFORMED AND THE ACTUATOR DID NOT SECURE THE DOOR. ACTUATOR WAS REPLACED AND NOSE LANDING GEAR TESTS WERE PERFORMED IAW MM 32-22-01, ALL CORRECT. ADDITIONALLY OVERWEIGHT LANDING INSPECTION WAS PERFORMED IAW MM 05-51-4, ALL CORRECT.