TL* THE CONTACT OWNS A 2013 HARLEY-DAVIDSON FLHX STREET GLIDE. WHILE MERGING TO THE RIGHT LANE AT 45 MPH, THE REAR BRAKES FAILED TO RESPOND. THE CONTACT MENTIONED THAT THE REAR BRAKE HANDLE BECAME DIFFICULT TO DEPRESS AND CAUSED THE MOTORCYCLE TO SKID. THE CONTACT FELL OFF THE MOTORCYCLE, RESULTING IN A FRACTURED LEFT ARM AND LACERATION TO THE RIGHT ARM THAT REQUIRED MEDICAL ATTENTION. A POLICE REPORT WAS FILED. THE MOTORCYCLE WAS TOWED TO A DEALER, BUT WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 10,911.