{"nhtsa_id":10110382,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-08-04","date":"2017-04-20","document_id":"FSB 728-003","mfr_campaign":null,"replaces":null,"component":"SUSPENSION","mfr_system":null,"summary":"Some MACK CXU612/CHU612 trucks built from October 4, 2010 to February 6, 2017 with single rear axle Hendrickson air suspension (RAD-A2H) and short tapered frame rail (RFL830, RF-TAP28/RF-TA28T) could have the level arm rise above the frame rail when suspension is lowered completely.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10110382-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10110382-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10110382","components":[{"id":"suspension","name":"Suspension","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"CHU","year_from":2011,"year_to":2018,"match":null,"vehicle_ids":[]},{"make":"MACK","model":"CXU","year_from":2011,"year_to":2018,"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":[]}