Tl* the contact owns a 2007 ford f-250. the contact stated that while driving 30 mph, the vehicle failed to stop when the brakes were engaged after driving over a speed bump. the contact also stated that he was driving downhill during the failure when the vehicle failed to brake properly. the vehicle was taken to an authorized dealer, but the manufacturer was not notified. the vehicle was not repaired. the failure mileage was 1,900 and the current mileage was 111,500. the vin was unknown.