What was found
ON INITIAL T/O, LANDING GEAR HANDLE COULD NOT BE RAISED PAST LEVER LOCK. RAN LANDING GEAR LEVER LATCH FAIL TO RELEASE CHECKLIST TO STEP 7 AND RETRACTED GEAR USING GEAR LEVER LATCH TRIGGER. DISCONNECTED SAFETY SENSOR AT LT MAIN GEAR. DISCONNECTED NOSE GEAR. PERFORMED OPERATIONAL CHECK OF LAND GEAR HANDLE GEAR LEVER LATCH RELEASE NORMAL. OPERATIONAL CHECK NORMAL ON GROUND MEM. RECONNECTED SAFETY SENSOR AND NOSE GEAR MAINTENANCE MANUAL 32-31-0.