What was found
IN FLIGHT LEVEL 41,000, HEARD AND FELT A THUNK NOISE FROM THE FRONT OF THE PLANE. THE RED LANDING GEAR UNLOCK LIGHT ILLUMINATED BUT THERE WERE NO UNUSUAL RUMBLE NOISES OR DRAG INDICATIONS AS IF A GEAR EXTENDED. SUSPECT THE NOSE GEAR DOORS HELD THE GEAR FROM EXTENDING. WHEN IT CAME TIME TO LAND, THE LANDING GEAR EXTENDED AND LOCKED DOWN NORMALLY. JACKED A/C, INSPECTED LANDING GEAR WELLS, UPLOCKS, AND ACTUATORS. FOUND NLG UPLOCK SWITCH OUT OF RIG , RIGGED SWITCH IAW CE 680 MM 32-60-00. FOUND NLG OLEO UNDER PRESSURIZED, SERVICED IAW MM 32-20-00, FOUND LT MLG CONNECTOR NOT FULLY SEATED, RESEATED. PERFORMED LANDING GEAR OPS CHECK AND UPLOCK SWITCH OPS CHECK, SYSTEM CHECK GOOD. IAW MM 32-00-00, DOWN JACKED A/C.