What was found
UPON APPROACH, CREW NOTICED NO RT GEAR DOWN INDICATION AFTER GEAR EXTENSION. CREW FOLLOWED AFM ABNORMAL PROCEDURES. NO RT GEAR DOWN IN TEST. CREW ELECTED TO DECLARE EMERGENCY. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE PERSONNEL FOUND BULB OUT FOR RT GEAR DOWN. REPLACED BULB, RESET EMERGENCY CONTROL, SERVICED GEAR BLOWDOWN BOTTLE AND CYCLED GEAR. OPS CHECK SATISFACTORY.