{"database": "openregs", "table": "federal_register", "rows": [["2019-04528", "Airworthiness Directives; MD Helicopters, Inc. (MDHI), Helicopters", "Rule", "We are adopting a new airworthiness directive (AD) for MDHI Model 369A, 369D, 369E, 369FF, 369H, 369HE, 369HM, 369HS, 500N, and 600N helicopters. This AD requires inspecting each main rotor blade (MRB) for a crack. This AD was prompted by reports of cracked MRBs. The actions of this AD are intended to address an unsafe condition on these helicopters.", "2019-03-13", 2019, 3, "https://www.federalregister.gov/documents/2019/03/13/2019-04528/airworthiness-directives-md-helicopters-inc-mdhi-helicopters", "https://www.govinfo.gov/content/pkg/FR-2019-03-13/pdf/2019-04528.pdf", "Transportation Department; Federal Aviation Administration", "492,159", "We are adopting a new airworthiness directive (AD) for MDHI Model 369A, 369D, 369E, 369FF, 369H, 369HE, 369HM, 369HS, 500N, and 600N helicopters. This AD requires inspecting each main rotor blade (MRB) for a crack. This AD was prompted by reports of...", null]], "columns": ["document_number", "title", "type", "abstract", "publication_date", "pub_year", "pub_month", "html_url", "pdf_url", "agency_names", "agency_ids", "excerpts", "regulation_id_numbers"], "primary_keys": ["document_number"], "primary_key_values": ["2019-04528"], "units": {}, "query_ms": 14.452836941927671, "source": "Federal Register API & Regulations.gov API", "source_url": "https://www.federalregister.gov/developers/api/v1", "license": "Public Domain (U.S. Government data)", "license_url": "https://www.regulations.gov/faq"}