id,agency_id,docket_id,title,document_type,subtype,posted_date,posted_year,posted_month,comment_start_date,comment_end_date,last_modified,fr_doc_num,open_for_comment,withdrawn,object_id FAA-2021-0834-0001,FAA,FAA-2021-0834,Airworthiness Directives: Leonardo S.p.a. Helicopters,Proposed Rule,Notice of Proposed Rulemaking (NPRM),2021-09-30T04:00:00Z,2021,9,2021-09-30T04:00:00Z,2021-11-16T04:59:59Z,2024-11-06T23:51:12Z,2021-21102,1,0,0900006484db3d14