{"database": "openregs", "table": "federal_register", "rows": [["2017-04634", "Airworthiness Directives; Safran Helicopter Engines, S.A. Turboshaft Engines", "Rule", "We are adopting a new airworthiness directive (AD) for all Safran Helicopter Engines, S.A. Arriel 2B turboshaft engines. This AD requires removing any pre-modification (mod) TU 158 hydro-mechanical metering unit (HMU) and replacing with a part eligible for installation. This AD was prompted by a report of an uncommanded in- flight shutdown (IFSD) on a single-engine helicopter, caused by a low returning spring rate of the needle of the HMU. We are issuing this AD to correct the unsafe condition on these products.", "2017-03-09", 2017, 3, "https://www.federalregister.gov/documents/2017/03/09/2017-04634/airworthiness-directives-safran-helicopter-engines-sa-turboshaft-engines", "https://www.govinfo.gov/content/pkg/FR-2017-03-09/pdf/2017-04634.pdf", "Transportation Department; Federal Aviation Administration", "492,159", "We are adopting a new airworthiness directive (AD) for all Safran Helicopter Engines, S.A. Arriel 2B turboshaft engines. This AD requires removing any pre-modification (mod) TU 158 hydro-mechanical metering unit (HMU) and replacing with a part eligible...", 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": ["2017-04634"], "units": {}, "query_ms": 0.4074759781360626, "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"}