What was found
AFTER TAKEOFF, TRIED TO RETRACT THE GEAR. ALL GEAR WOULD COME UP. AND LIGHTS EXTINGUISH. AFTER ABOUT 10 SECONDS THE GEAR UNSAFE AND GREEN NOSE GEAR LIGHT WOULD ILLUMINATE. TRIED RECYCLING TWICE BUT DID NOT FIX THE PROBLEM. SOUNDED LIKE NOSE GEAR WOULD RETRACT THEN FALLBACK OUT. CYCLED LANDING GEAR ON JACKS 30 TIMES WITH NO ANOMALIES NOTED. INSPECTED NLG ACTUATOR UPLOCK SWITCH AND ACTUATOR AS POSSIBLE. NO DISCREPANCIES NOTED IAW MM 32-31-03 SEC 5 TABLE 201. NLG ACTUATOR DOWNLOCK SWITCH REPLACEMENT IS REQUIRED. REMOVED AND REPLACED NOSE GEAR ACTUATOR WITH A REPAIRED UNIT. TORQUED AND SAFETIED HARDWARE. FUNCTION CHECK GOOD DONE IAW MM 32-31-03.