Furlough-related appeals continue to pour into the Merit Systems Protection Board. As of this morning, the number of docketed appeals stood at 4,647, up about 50 percent  in a week. And that number doesn’t include another 4,587 cases that have been received but are not yet docketed—most of which are likely furlough-related as well, Clerk William Spencer said in an email. The surge temporarily knocked out the board’s electronic “e-Appeal” service a few times this week. It has also prompted the board to post the following message on its homepage: “Due to the unprecedented large volume of furlough appeals being…