2004 STERLING 825 BRAKES FAILED AND WAS UNABLE TO STOP AND REAR ENDED A 1999 OLDSMOBILE SILHOUETTE. *KB THE DRIVER OF THE OLDSMOBILE SUFFERED MINOR INJURIES. THE TRAILER WAS FOUND TO HAVE A BROKEN AIR VALVE BY THE RESERVE TANK THAT CAUSED AN AIR PRESSURE LOSS WHEN THE SERVICE BRAKES WERE APPLIED. DUE TO THE SYSTEM FAILURE ON TRAILER 1, NONE OF THE OTHER TRAILERS HAD WORKING BRAKES AT THE TIME OF THE CRASH. OHIO TRAFFIC CRASH REPORT # 10-0579-89