{"nhtsa_id":616778,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-03-12","date":"2000-12-05","document_id":"FS200004","mfr_campaign":null,"replaces":null,"component":"STRUCTURE:FRAME AND MEMBERS","mfr_system":null,"summary":"INFORMATION ON MAINTAINING UNDERSEAL ON 29' LOW FLOOR BUSES. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/616778","components":[{"id":"structure-body","name":"Body and frame","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"GILLIG","model":"29 INCH LOW FLOOR","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":[]}