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.
PS-13-8
THOMAS BUILT BUS: ALL MODELS OF THOMAS BUSES USING AUTOMATIC SLACK ADJUSTERS. THE AUTOMATIC SLACK ADJUSTERS ARE ROUTINELY BEING ADJUSTED BY SOME OPERATORS AND SERVICE TECHNICIANS TO MAKE BRAKE PUSHROD STROKE APPEAR TO BE WITH LEGAL BRAKE ADJUSTMENT LIMITS, OR TO COMPENSATE FOR MIS-DIAGNOSED OUT OF ADJUSTMENT CONDITIONS CAUSED BY WORN OR DAMAGED FOUNDATION BRAKE COMPONENTS. *PE
PSD-302B
THOMAS BUILT: IT HAS BEEN DETERMINED THAT CERTAIN MODEL BUSES, ER-HD, HDX AND MVP-EF UNITS, HAVE THE VON #70 S-CAM BRACKETS THAT COULD DEVELOP CRACKS IN THE LOWER PORTION. *PE
51R3
THOMAS BUILT BUSES: THERE HAVE BEEN REPORTS OF THE FORWARD DOOR LEAF HEX SHAFT BREAKING. *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.