What was found
DURING LANDING, THE PILOT HEARD A LOUD POP IN THE NOSE GEAR BAY AND THE NLG WOULD NOT EXTEND , AFTER TRYING SEVERAL TIMES TO EXTEND THE GEAR INCLUDING EMERGENCY EXTENSION THE PILOT DECIDED TO LAND WITH THE NOSE GEAR UP AND THE MAIN GEAR DOWN , JUST BEFORE TOUCHDOWN THE PILOT FEATHERED BOTH PROPS AND SHUTDOWN BOTH ENGINES, HE KEPT THE NOSE UP AS LONG AS POSSIBLE AND FINALLY TOUCHED THE NOSE DOWN VERIFYING THAT NEITHER PROP WAS TURNING AT TIME OF TOUCHDOWN, AFTER EXAMINING THE ACFT AFTER LANDING, IT WAS DETERMINED THAT THE NOSE GEAR ACTUATOR HAD FAILED INTERNALLY.