What was found
NORMAL APPROACH AND LANDING, THREE GREEN GEAR DOWN AND LOCKED INDICATION. DURING FINAL, RT MAIN GEAR INDICATION WENT DARK, NO GREEN, MISSED NORMAL APPROACH. LAMP TESTED TO CHECK BULB, BULB FLICKERS GREEN TO DARK, PUSH ON LIGHT FIXTURE BULB STAYS STEADY GREEN. RETURN FOR NORMAL LANDING WITH THREE GREEN INDICATIONS ON HANDLE PANEL AS WELL AS FLOOR PANEL. NO ALTERNATE EXTENSION. LANDING UNEVENTFUL. REPLACED LANDING GEAR CONTROL PANEL IAW AMM TASKS 32-31-01-000-801 AND 32-31-01-400-801. OPS CHECKED GOOD. RETURNED TO SERVICE.