What was found
ON TAKEOFF AT GEAR RETRACTION, NOSE GEAR DOOR REMAINED OPEN. CYCLED GEAR DOWN THEN UP AND NOSE GEAR REMAINED EXTENDED WITH DOORS CLOSED. PUT GEAR HANDLE DOWN AND LANDED NORMALLY. THE AIRCRAFT WAS GROUNDED. ACCOMPLISHED WORK CARD 32-95-01, NOSE LANDING GEAR EXTENSION AND RETRACTION SYSTEM FUNCTIONAL TEST IAW AMM 32-30-01. ALL CHECKED OK. PERFORMED LANDING GEAR CTRL SYST. OPERATIONAL TEST IAW AMM 32-31-00 AND LANDING GEAR ALTERNATE EXTENSION SYST. OPERATIONAL TEST IAW AMM 32-35-00 BOTH TEST WORKS CORRECTLY, GEAR DOORS OPEN AND CLOSED CORRECTLY. AIRCRAFT GOOD FOR SERVICE.