Video inspection of underground air ducts. Ducts are PVC pipes with metal connections. Metal connections were extremely rusted and deteriorated. Homeowner needs to extend all downspouts away from house to reduce the water that is accumulating under the house. After the water issue is resolved it is recommended that the metal joints and fittings be rebuilt by spin casting a new concrete pipe in those areas. After the fittings are solid the system should be spray lined with Duct Armor duct lining material