NHTSA campaign 21V778000 · Blue Bird campaign R21BN-SB
Blue Bird Recall 21V-778: Brake Line Retaining Clamp May Not Be Installed
NHTSA recall 21V778000 (Blue Bird campaign R21BN-SB) was reported by Blue Bird Body Company on October 6, 2021, with 135 vehicles potentially affected (per NHTSA). NHTSA's record lists the Blue Bird Vision School Bus for the 2022 model year. Owners were notified on November 30, 2021, per NHTSA.
Updated daily from NHTSA's recall files
Is my vehicle included?
This page lists, by model year, the vehicles NHTSA's recall record names for campaign 21V778000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.
To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.
Free VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 21V778000 (also written 21V-778 or 21V778)
- Filed by
- Blue Bird Body Company
- Blue Bird campaign number
- R21BN-SB
- Report received
- Potentially affected
- 135 vehicles (per NHTSA)
- Component
- Service Brakes, Hydraulic — Critical Fasteners
- Owners notified
Repair completion: 84.44% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)
NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.
Vehicles listed for this recall
NHTSA's recall record lists these vehicles for recall 21V778000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.
Blue Bird
Blue Bird Vision School Bus
- 2022 · Vehicles built May 3, 2021 – June 14, 2021 (per NHTSA)
NHTSA's recall notice
As NHTSA's recall record states it for campaign 21V778000.
Defect description
Blue Bird Body Company (Blue Bird) is recalling certain 2022 Vision school buses equipped with Ford 7.3L engines. The retaining clamp used to secure the hydraulic brake line near the engine may not have been installed, which could cause the brake line to rub which could cause a brake fluid leak and result in a loss of brake function.
Safety consequence
Loss of braking ability increases the risk of a crash.
Manufacturer remedy
Dealers will inspect the hydraulic brakes lines, and install any missing hardware, free of charge. Owners letters were mailed on November 30, 2021. Owners may contact Blue Bird's customer service at 1-478-822-2242. Blue Bird's number for this recall is R21BN-SB.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Sources
Official NHTSA notice for recall 21V778000
Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.