{"nhtsa_id":11014712,"type":"service_campaign","type_name":"Service campaign","date_added":"2025-03-03","date":"2025-02-28","document_id":"S4373-202502","mfr_campaign":null,"replaces":null,"component":"STRUCTURE:BODY; UNKNOWN OR OTHER","mfr_system":null,"summary":"Mack Trucks has determined that certain Mack sleeper cab assemblies were possibly manufactured with an insufficient number of welds across the rear flange of the upper header. The reduced number of welds could lower the designed cab integrity.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11014712-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11014712-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11014712","components":[{"id":"structure-body","name":"Body and frame","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"ANTHEM (AN)","year_from":2025,"year_to":2025,"match":"base","vehicle_ids":["2025_mack_anthem"]},{"make":"MACK","model":"PIONEER PR (4)","year_from":2025,"year_to":2025,"match":"base","vehicle_ids":["2025_mack_pioneer"]}],"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":[]}