What was found
UNSAFE GEAR INDICATION ON FINAL, LEFT MAIN NOT DOWN AND LOCKED, NO EICAS MESSAGES. WENT AROUND AND REFERENCED QRH, FLEW VISUAL LOW APPROACH AND TOWER CONFIRMED ALL GEAR SHOWED DOWN. DECLARED EMERGENCY AND LANDED UNEVENTFULLY AND STOPPED CLEAR OF RUNWAY. MX AND FIRE DEPT INSPECTED AIRCRAFT, SWAPPED LIGHT BULBS AND CONFIRMED SAFE GEAR INDICATION. TAXIED TO PARK UNEVENTFULLY. EMERGENCY DECLARED NOTED BY MAINTENANCE. ACCOMPLISHED LANDING GEAR POSITION INDICATING AND WARNING SYSTEM TEST PER AMM 32-61-00-5-0 PRECAUTIONARILY. SYSTEM OPS CKS NORMAL