After a closer inspection of my 1995 873 I have noticed both boom arms have a slight crack in them. The cracks are only about 1 inch long and you have to look really close to see them. Is this a sign the machine has been worked hard or abused? The rest of the machine looks nice for a 1995. Hours is 1800 and was used for snow removal with a snow blower and also some roofing work. Should this be welded asap?