{"nhtsa_id":617450,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-03-15","date":"2000-10-26","document_id":"261000","mfr_campaign":null,"replaces":null,"component":"STRUCTURE:FRAME AND MEMBERS","mfr_system":null,"summary":"SOME MEDIUM DUTY CONVENTIONAL CAB, TILT CAB, AND SCHOOL BUS VEHICLES THE VISIBLE APPEARANCE OF THE FRAME RAIL INNER EDGES HAVE A NOTCHED OR GOUGED APPEARANCE. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/617450","components":[{"id":"structure-body","name":"Body and frame","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"CONVENTIONAL","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"CONVENTIONAL","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"as_of":"2026-10-19","note":"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.","attribution":[]}