6Affected configurations shown1,634Potential units affected88.5%Latest completion context
What can happen
Safety consequence
Unintended spring brake application may occur, increasing the risk of a crash.
What fixes it
Official remedy
Dealers will replace the SC-3 check valves, free of charge. Owner notification letters were mailed on November 18, 2021. Owners may contact Blue Bird customer service at 1-478-822-2242. Blue Bird's number for this recall is R21BE-SB.
Recall lifecycle
Repair completion history
Campaign-level completion reporting. This does not determine whether a particular VIN has been repaired.
2021-2
0.0%
2021-3
0.0%
2021-4
0.0%
2022-1
0.0%
2022-2
0.0%
2022-3
0.0%
2022-4
0.0%
2023-1
0.0%
2023-2
0.0%
2023-3
0.0%
2023-4
0.0%
Affected vehicles
Vehicle configurations connected to 21V284000
Owner action
Campaign pages describe the public recall record. To determine whether your specific vehicle has an unrepaired recall, use your VIN and verify the current status through NHTSA.