What was found
RIGHT MLG INDICATOR LIGHT: ON FINAL APPROACH WE SELECTED THE GEAR DOWN AND HAD NO RIGHT MAIN GEAR INDICATOR LIGHT TO ILLUMINATE. WE PERFORMED A GO AROUND, PERFORMED THE QRH, AND BLEW THE GEAR DOWN MANUALLY. WE DECLARED AN EMERGENCY AND LANDED UNEVENTFULLY. /// CORRECTIVE ACTION /// REMOVED AND REPLACED BULBS IN RH MLG INDICATOR LIGHT. OPS CHECK GOOD. REF CE 560XL MM 33-10-06. PERFORMED MAIN LANDING GEAR HYDRAULIC SYSTEMS-ADJUSTMENT/TEST & VERIFIED THREE GREEN LIGHTS (GEAR DOWN & LOCKED) & NORMAL OPERATION OF GEAR EXTENSION & RETRACTION CYCLE TIME DURING GEAR SWINGS. THEN SERVICED GEAR & BRAKE PNEUMATIC BOTTLE AS REQUIRED. REF CE-560XL MM 32-01-00 & 12-13-01 FOR MX PERFORMED. EMERGENCY RELEASE MECHANISM IS RESTORED TO NORMAL CONFIG. MX VENDOR SUBMITTED SDR #DXTR202204131 FOR SAME EVENT.