JavaScript - Agregar un array a un serializeArray

var data = $("#div-Stops :input").serializeArray();

data[data.length] = {"name":"accion","value":"save_stop" };

data[data.length] = {"name":"order_id","value":$("#txtOrderID").val() };

$.ajax({

    method: "POST",

    url: "Controlador/ctrl-Logistic-orders.php",

    data: data,

    success: function (data) {

{

   "accion":"save_stop",

    "order_id":"000001",

    "Choferes":[

        {

            "ID":"3030",

            "Descripcion":"Variados"

        }

    ]

}

data.push({"name":"Choferes[][ID]","value":"3030" });

data.push({"Choferes":{"ID":"3030", "Descripcion":"Variados"}});

data.push({"name":"Choferes[][ID]","value":"3030" });

{"accion":"save_stop","order_id":"000001","Choferes":[{"ID":"3030"}]}

error_log("Debug->: " . json_encode($_POST), 0);

{"accion":"save_stop","order_id":"000001","undefined":""}

valor={

        "id"   : 1,

        "Name" : "Juan Valdez",

        "def"  : 1

    }; // Si mando el puro valir si jala

Choferes.push(valor);

data.push( {name:"Choferes",value:JSON.stringify(Choferes) });

{"accion":"save_stop","order_id":"000001","Choferes":"[{\"id\":1,\"Name\":\"Juan Valdez\",\"def\":1}]"}