NHTSA campaign 21V773000 · Manufacturer campaign 21-088-AUS
Micro Bird Recall 21V-773: Wheels May Become Misaligned
NHTSA recall 21V773000 (Manufacturer campaign 21-088-AUS) was reported by Corp. Micro Bird, Inc. on October 1, 2021, with 3 vehicles potentially affected (per NHTSA). NHTSA's record lists the Micro Bird G5 School Bus for the 2022 model year. Owners were notified on November 3, 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 21V773000 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
- 21V773000 (also written 21V-773 or 21V773)
- Filed by
- Corp. Micro Bird, Inc.
- Manufacturer campaign number
- 21-088-AUS
- Report received
- Potentially affected
- 3 vehicles (per NHTSA)
- Component
- Wheels
- Owners notified
Repair completion: 33.33% (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 21V773000. 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.
Micro Bird
Micro Bird G5 School Bus
NHTSA's recall notice
As NHTSA's recall record states it for campaign 21V773000.
Defect description
Corp. Micro Bird, Inc. (Micro Bird) is recalling certain 2022 G5 school buses. During wheel alignment, the alignment ring was installed at an incorrect angle, which can cause the wheels to become misaligned.
Safety consequence
Misaligned wheels may result in uneven tire wear and stress on the suspension, increasing the risk of a crash.
Manufacturer remedy
Dealers will re-align the wheels, free of charge. Owner notification letters were mailed in November 03, 2021. Owners may contact Micro Bird's customer service at 1-819-477-2012. Micro Bird's number for this recall is 21-088-AUS.
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 21V773000
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.