What was found
DURING APPROACH, THE PILOT SELECTED THE LG TO THE EXTEND POSITION, THE PILOT RECEIVED A THREE GREEN DOWN & LOCKED LG INDICATOR LIGHTS INITIALLY, SHORTLY AFTER THE RT LG LIGHT EXTINGUISHED. PERFORMED A PRECAUTIONARY MANUAL EXTENSION OF LG TO VERIFY LG WAS DOWN & LOCKED, LANDED WITHOUT FURTHER INCIDENT. TROUBLESHOOTING FOUND FAULTY LG POSITION INDICATOR. REPLACED INDICATOR & PERFORMED LG OPERATIONAL CHECK. SYS CHECKS WERE NORMAL.