Passing a model with string & array to MVC action

public class Service
    {
        public string name { get; set; }
        public ServiceProblem[] problems { get; set; } //this is a class array which contains data
    }

//when a user enters a query, it returns the services from DB
//the servicesList contains the class Service with all the relevant data
[HttpGet]
        public JsonResult AutoCompleteServiceProviders(string query)
        {           
            List<Object> services = GetServices();
            List<Service> servicesList = new List<Service>();
            foreach (var item in services)
            {
                servicesList.Add((item as Service));
            }

            var result = servicesList
                .Where(c => c.name.ToLower().StartsWith(query))
                .Select(c => new { Value = c.name, Label = c.name, p = c.problems });
            return Json(result, JsonRequestBehavior.AllowGet);
}

$.ajax({
                    url: requestUrl,
                    dataType: "json",
                    data: { query: request.term },
                    success: function (data) {
                        response($.map(data, function (item) {
                            return {
                                label: item.Label,
                                value: item.Label,                               
                                realValue: item.Value
                            };
                        }));
                    },
                });

[HttpPost]        
        public ActionResult Index(Service fxService)
        {
            return RedirectToAction("Select", "Create", fxService);
        }

@using (Html.BeginForm("Index", "Create"))
               {
                   <fieldset>                                         @Html.AutocompleteFor(Url.Action("AutoCompleteServiceProviders", "Create"), true, "ex. Shower", c => c.name, c => c.problems)
                       <input type="submit" id="search" value="" />
                   </fieldset>
               }