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.
SIL-3156
Altec has learned that the welds on the turntable between the side and base plate(s) were not completed as required by production on certain LS87 aerial units built from June 2016 to January 2024. This could result in cracks forming in the turntable weld.
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.