A memorial service is scheduled on Sunday for the five-year-old Ann Arbor-area boy Chad Carr, who died this past Monday after a 15-month battle with brain cancer. Carr was the youngest of Jason and Tammi Carr’s three sons. The boys’ grandfathers were former University of Michigan football coach Lloyd Carr and Michigan all-American defensive back Tom Curtis. Visitation is scheduled from 11 a.m. until1:30 p.m. at the Saline High School Performing Arts Center. A celebration of Carr’s life will follow from 2-3 p.m. Both events are open to the public.