What was found
DURING APPROACH TO KCHS, GEAR SELECTED TO DOWN POSITION, LH MLG DOWN LOCK - GREEN LIGHT - DID NOT ILLUMINATE, GEAR WAS MANUALLY EXTENDED AND EMERGENCY WAS DECLARED. AIRCRAFT LANDED IN KCHS WITHOUT FURTHER ISSUE. AIRCRAFT WAS INSPECTED AND FOUND SAFE TO FERRY BACK TO KDFW FOR FURTHER TROUBLESHOOTING. KDFW MAINTENANCE TROUBLESHOT AND FOUND LANDING GEAR POSITION INDICATOR FAULTY. REMOVED AND REPLACED LANDING GEAR POSITION INDICATOR AND LANDING GEAR OPS CHECK WAS GOOD.