What was found
UPON GEAR RETRACTION AFTER TAKEOFF THE THREE GREEN LIGHTS WENT OUT; HOWEVER THE THREE RED LIGHTS REMAINED ON AND THE GEAR HANDLE WAS FLASHING. FOUND NOSE GEAR UPLOCK INHIBITED FROM LOCKING DUE TO NOSE GEAR EMERGENCY RELEASE HANDLE PULLED SLIGHTLY. STOWED NOSE GEAR EMERGENCY RELEASE HANDLE, LUBED SLIDING ROD ON NOSE GEAR UPLOCK. CYCLED LANDING GEAR SEVERAL TIMES. NO DEFECTS NOTED. WORK DONE IAW MM WC 32-305.