SYS ONLINE INGEST 3 hours ago SOURCE NHTSA · TC BUILD v0.0.29
Vehicle scope Default: all classes — narrow to retail passenger anytime
Network/ Canada/ Blue Bird/ 1978005

Blue Bird · Canada · High

Blue Bird All Canadian School Bus, All Canadian Non-School Bus: Suspension

Affects Blue Bird All Canadian School Bus, All Canadian Non-School Bus · 1972–1973 — about 72 vehicles.

The hazard

BUSES EQUIPPED WITH ROCKWELL INTERNATIONAL CAS ALUMINUM FRONT WHEEL HUBS INSTALLED ON ROCKWELL FF921 FRONT AXLES. THE SUBJECT HUBS MAY CONTAIN CASTING DEFICIENCIES IN THE WHEEL MOUNTING FLANGE AND/OR THE AREA OF THE INNER BEARING THAT CAN RESULT IN CRACKS LEADINT TO FAILURE OF THE HUB. A HUB FAILURE CAN CAUSE A WHEEL AND TIRE TO SEPARATE FROM THE VEHICLE CAUSING A LOSS OF VEHICLE CONTROL.

What to do

Contact your dealer; the remedy details were not included in the filing.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational