Technical Service Bulletin S20AT — 2021 BLUE BIRD BBCV

Overview: Certain buses built with SmartTrac Hydraulic Anti-lock Brakes (ABS) may have dual fuse block 10041668 assembled incorrectly, causing the ABS fault lamp to illuminate. The Dealer is to inspect and verify the correct assembly of dual fuse block 10041668, per the enclosed instructions and correct as required. Affected Units: Certain model year 2021 Blue Bird Vision School Buses Manufactured from December 12, 2019 through March 7, 2020 The buses in your fleet that are affected by this Service Bulletin S20AT, are identified by Blue Bird Body Serial Number(s) on the enclosed cover sheet. Service Bulletin S20AT will be mailed to all owners on record. Be sure to review your list and advise of any incorrect owner names and/or addresses. Repair Parts: No additional parts/items are required to perform Service Bulletin S20AT. Time Allowance: Time allowed to inspect and install the lock washer under the nut as designed is 0.1 hours (6 minutes). Completion Notification: If you perform this service bulletin yourself or have an outside repair facility perform this bulletin, please notify your Blue Bird Dealer, when the repair is completed. Send the body number, repair date, and odometer reading to your Blue Bird Dealer. If you request reimbursement for labor, also send a copy of the work order/invoice to your Blue Bird Dealer. If the modification directed by this notification was performed on your unit prior to the receipt of this notification, you may be eligible to receive reimbursement for the cost of obtaining a pre-notification remedy of the subject matter of the campaign. Please provide a copy of all receipts to [email protected] Bulletin Duration: This Service Bulletin ends one (1) year from date of issue. Repair Facility: We encourage you to contact your Blue Bird Dealer to arrange to have this Service Bulletin performed.