What was found
ON APPROACH AT ILN, RIGHT GEAR GREEN DOWN LIGHT FAILED TO ILLUMINATE WITH GEAR HANDLE DOWN. EICAS MESSAGE GEAR DISAGREE DISPLAYED, DOOR AMBER LIGHTS WERE EXTINGUISHED AND GEAR LIGHTS ILLUMINATED. EMERGENCY DECLARED. INDICATION NORMAL AFTER ALTERNATE GEAR EXTENSION. TESTED RIGHT MAIN LANDING GEAR POSITION INDICATION SYSTEM, LANDING GEAR MONITOR AND POSITIONER / GROUND CIRCUIT BREAKER IAW B767 AMM 32-61-00-5 PARA 3 H, K, J. NO FAULTS NOTED. REPLACED RIGHT MAIN LANDING GEAR KORRY LIGHT BULB RECEPTICAL. JACKED AIRCRAFT, CYCLED LANDING GEAR SEVERAL TIMES, NO DEFECTS NOTED. PSEU BITE CHECK OKAY, MEMORY CLEARED.