http://boatbuildercentral.com/howto/repair.php
here's a good tutorial with pictures on bedding and tabbing and glassing.....but basically it goes, raise the stringer and bed it in and underneath with resin putty.....make nice wide transition fillets and tab it in with 2 or 3 layers of 6 inch wide 12 oz tape first, then cover the whole thing with 2 or 3 layers of 17oz biax