System: structure; frame and members.vehicle description: school bus chassis with a 27,000 lbs. Gross vehicle weight rating.note: if the vehicle IS presented to an authorized dealer on an agreed upon service date and the remedy IS not provided free of charge within a reasonable time, please contact transi-corp at 1-316-662-9000. Also contact the national highway traffic safety administration's auto safety hotline at 1-800-424-9393.