What was found
ON FINAL APPROCH WE SELECTED THE GEAR DOWN. WE RECEIVED 2 GREEN MAIN GEAR LIGHTS AND THE NOSE GEAR LIGHT REMAINED DARK. I PRESSED TO TEST THE NOSE GEAR LIGHT AND HALF OF IT LIT UP GREEN. THIS LED US TO THE GEAR DISAGREE CHECKLIST AND WE MANUALLY LOWERED THE GEAR. DURING THIS PROCESS WE NOTICED ADDITIONAL AIRCRAFT NOISE AND VIBRATION NEAR THE COCKPIT AS IF THE NOSE GEAR WAS STILL UP AND HAD FALLEN. WHILE RUNNING THIS CHECKLIST WE TESTED THE NOSE GEAR LIGHT AGAIN AND IT WOULD NOT ILLUMINATE. FOUND NOSE GEAR ANNUCIATOR TO BE INTERMITTANT. REMOVED AND REPLACED NOSE GEAR ANNUNCIATOR LT ASSY PERFORMED SEVERAL GEAR SWINGS OPS CHECKS GOOD. NO FAULTS FOUND IN PSEU. A/C OK FOR SERVICE