Photo by slack13 The Examiner’s Kyjta Weir shares a new report that sheds light on a problem with which most Metrobus riders are already familiar: Bus fareboxes are often broken, and it’s costing the cash-strapped transit authority money.Metro logged 924 work orders to fix or maintain fareboxes in the month of May, out of 1,479 buses, the report said. That would mean 62 percent of fareboxes needed repairs, unless some broke down more than…