well its old and could be neglect but a well taken care of spar will last the life of the plane and if you wanted to there are aluminum spars that you can get and the structural integrity thing some ass went to the feds and got a sb into and ad to make money the factory its about the wing struts they now have to be inspected all of em now !!! sealed or not just stupid but i stand by the tcraft really good airplane out of any other plane i will always have my tcraft
