4/30/25 Cleaned and televised all underground ductwork. Upon televised inspection discovered a leak behind bathtub. Told customer about leak in bathtub. Cleaned the rest of underground ductwork in preparation for trenchless spincast mortar. 5-27-25 Applied Trenchless spincast mortar to all underground duct work. Rebuilt all registers and plenum box with mortar. 5-28-25 Applied first application of duct armor to all underground duct work. Installed new section of galvanized metal pipe in the duct run in the bathroom where the pipe was removed. Sealed new section of pipe with hydraulic cement. 6-4-25 applied second coat of duct armor to all ducts registers and plenum.