Vehicle report
Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
SM1601
Blue Bird Troubleshooting Guides: Blue Bird announcement of the addition of troubleshooting guides for assisting in the service of the Blue Bird products. These troubleshooting guides are available on the Vantage website.
SB-S-70-LJ
BLUE BIRD: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. INFORMATION ON EXCESSIVE CYCLING OF ENGINE COOLING FAN AND SHUTTER AND HOW TO INSTALL THERMO SWITCHES FOR COOLING SYSTEM AND CHARGE AIR SYSTEM. *PE
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.