2007 MACK CONVENTIONAL. TRAILER BRAKES DISCONNECTED FROM FIRST TRAILER. *BF ACCORDING TO THE POLICE REPORT, THE AIR LINE FOR THE TRAILER BRAKES DISCONNECTED CAUSING THE TRAILER BRAKES TO THE SHORT DOUBLE TRAILERS TO ENGAGE. THE TRAILER BRAKES ENGAGED CAUSING THE TRAILER TIRES TO SKID. THE DRIVER TURNED TO THE RIGHT TO GET OFF THE ROADWAY CAUSING THE REAR TRAILER TO STRIKE THE GUARDRAIL. OHIO TRAFFIC CRASH REPORT. *JB UPDATED 04/14/10 *BF