Water leak, check and find ac unit not leaking water, find water leaking bathtubs above duct system leaking. Customer need to get plumber to inspect and repair water leak. Complete ac tune up inspection for customer. Change filter 14x25x1 and check drains. Find 15 year old Trane system operating with worn/damage capacitor, pitted contactor and missing Trane starter kit per manufacturer spec. Find fan motor worn and loosing oil. Find inside system operating with no water protection, not secondary drain pan and flue pipe for furnace rusted and not up to code. Give customer estimate to repair system. Due to system age and worn conditions, suggest to upgrade system. System operating, customer declined suggestion at this time.