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Service bulletin SC-22-073

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11010723
Published by NHTSA2024-11-21
Manufacturer's numberSC-22-073
Manufacturer's date2022-06-28
Campaign id or software versionSC-22-073
NHTSA componentSEATS

NHTSA's summary

Bulletin Instructions to switch out stanchion fittings that attach the vertical rails to ceiling system on transit buses.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Seats

Vehicles listed
PROTERRA CATALYST2019 to 2021
PROTERRA ZX52019 to 2022

Listing a model year does not mean every vehicle of it is concerned: the document says which.