There was no fix -- it was an easy snap-in substitute of reduced spray arm assembly. The shaft Keeping the reduce spray arm set up is plastic so needless to say it broke when a utensil blocked the arm from spinning. Graphite shell and tube heat exchanger GAB Neumann features https://www.facebook.com/permalink.php?story_fbid=pfbid02qbEdrtFRmjfRm4SEW4F4fGW6bAWTfyoZjVsFB2pxNAfvPaHRjhB9z7KzYV53MRtil&id=61560512640678&__cft__[0]=AZVwKrU28BuOWSHzhKB0t52jUoeupUJ6BLYZeDG_QLOoCimxMJ7uMvZzGU_5RgHAtW6X1bsnAPUiVgK8bl9yQQdQBk5nFpf53IUAYRQdXqt0zv0VvJGtwzjI77-ggRkjGVNQHBmF5G9oQdkXhR-x2J60m6gWEBh8Bky2YWEBMrL-Zyt8ystNIOLxj1pB2zpOfvYs2a8X0QpUaYHdYe5y6Vpj&__tn__=%2CO%2CP-R