WHEELCHAIR-ACCESSIBLE CONVERSION BY FR CONVERSIONS INCLUDES A REPOSITIONED REAR SUSPENSION PANHARD ROD, THE SOLE LATERAL STABILITY LINK FOR THE AXLE. THE REPOSITIONED CHASSIS MOUNTING BRACKET FOR THE PANHARD ROD SEPARATED FROM THE VAN IN A STRAIGHT-ROAD SINGLE VEHICLE HIGHWAY ROLLOVER CRASH. EVIDENCE CURRENTLY SUPPORTS THAT THIS BRACKET MOUNTING (WELDED TO THE CONVERSION'S SHEET METAL) MAY HAVE PARTIALLY FAILED PRIOR TO THE ROLLOVER CRASH. THE LOSS OF FUNCTION OF A PANHARD ROD REDUCES VEHICLE CONTROLLABILITY. THIS COMPLAINT SUBMITTED BY A THIRD PARTY NOT INVOLVED WITH THE INCIDENT.