System: emergency parking brake; mechanical.vehicle description: buses equipped with foot applied parking brakes. (Air brakeunits are not involved.)note: if the replacement parts are not received in a reasonable time and freeof charge or the remedy does not correct the defect or noncompliance, pleasecontact blue bird service center at 1-912-825-9608. Also, contact the nationalhighway traffic safety administration's auto safety hotline at 1-800-424-9393.