{"nhtsa_id":10142536,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-07-02","date":"2018-05-01","document_id":"L809, Rev. R","mfr_campaign":null,"replaces":null,"component":"SERVICE BRAKES, AIR","mfr_system":null,"summary":"Operation Name: Hendrickson Trailer Commercial Vehical Systems Document Name: Brake Certifications - Certifications for Air Actuated Brakes Summary: This document provides certifications for various makes and types of brakes offered by Hendrickson with its trailer suspension and axle systems.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10142536-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10142536-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10142536","components":[{"id":"brakes","name":"Brakes","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"HENDRICKSON","model":"HENDRICKSON","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":[]}