{"nhtsa_id":10203998,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-12-07","date":"2021-11-23","document_id":"KC-129","mfr_campaign":null,"replaces":null,"component":"STRUCTURE","mfr_system":null,"summary":"Mack LR Models - FSB 810-004, Back Of Cab Crack, Repair","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10203998-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10203998-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10203998","components":[{"id":"structure-body","name":"Body and frame","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"LR","year_from":null,"year_to":null,"match":"exact","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":[]}