{"nhtsa_id":10227217,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-12-06","date":"2022-12-06","document_id":"SIL 3020","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; UNKNOWN OR OTHER","mfr_system":null,"summary":"Altec has learned that the threaded hardware between the rotary joint and slip ring could have been installed incorrectly on certain AA, AN, AN-OC, AM, and A Class aerial devices built from January 2021 to February 2022. This can cause the rotary joint restraint bracket to disengage from contact with the rotation-bearing cap screw heads, allowing the outer housing of the rotary joint to turn in the pedestal and cause damage to the attached hoses.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10227217-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2022/MC-10227217-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10227217","components":[{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"ALTEC","model":"AERIAL DEVICE","year_from":2021,"year_to":2022,"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":[]}