{"nhtsa_id":613541,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2000-07-21","date":"2000-04-07","document_id":"SB644003","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:RECREATIONAL VEHICLE/TRAILER","mfr_system":null,"summary":"SERVICE BULLETIN INDICATING THAT THE LEFT- AND RIGHT-HAND SLEEPER SHELF AND SHELF MOUNTING BRACKET ARRANGEMENTS USED ON CERTAIN CHASIS EQUIPPED WITH 56 INCH AND 70 INCH FLAT-TOP AND MID-RISE SLEEPERS HAVE BEEN REDESIGNED. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/613541","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MACK","model":"CX","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":[]}