{"nhtsa_id":10022856,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2007-10-01","date":"2007-08-31","document_id":"121039","mfr_campaign":null,"replaces":null,"component":"SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:HANGER,BRACKET","mfr_system":null,"summary":"LOWER FRAME FLANGE CRACKS - MRU AND MR MODELS. CRACKS MAY DEVELOP IN THE LOWER FRAME FLANGE OF THE RIGHT-HAND FRAME RAIL ON MR MODEL CHASSIS. *NJ","document":null,"url":"https://open.wenmarpro.com/bulletins/10022856","components":[{"id":"suspension","name":"Suspension","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"MR","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":[]}