{"database": "openregs", "table": "federal_register", "rows": [["2012-30065", "Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Turbofan Engines", "Proposed Rule", "We propose to adopt a new airworthiness directive (AD) for certain Rolls-Royce Deutschland Ltd & Co KG (RRD) models Tay 620-15 and Tay 650-15 turbofan engines. This proposed AD was prompted by RRD recalculating the Declared Safe Cyclic Life (DSCL) for certain low- pressure compressor (LPC) rotor disc assemblies operating to the Plan D Flight Mission. This proposed AD would require removing the affected LPC rotor disc assemblies at a new lower recalculated DSCL. We are proposing this AD to prevent failure of the LPC rotor disc assembly, uncontained engine failure, and damage to the airplane.", "2012-12-13", 2012, 12, "https://www.federalregister.gov/documents/2012/12/13/2012-30065/airworthiness-directives-rolls-royce-deutschland-ltd-and-co-kg-turbofan-engines", "https://www.govinfo.gov/content/pkg/FR-2012-12-13/pdf/2012-30065.pdf", "Transportation Department; Federal Aviation Administration", "492,159", "We propose to adopt a new airworthiness directive (AD) for certain Rolls-Royce Deutschland Ltd & Co KG (RRD) models Tay 620-15 and Tay 650-15 turbofan engines. This proposed AD was prompted by RRD recalculating the Declared Safe Cyclic Life (DSCL) for...", "2120-AA64"]], "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": ["2012-30065"], "units": {}, "query_ms": 0.39202001062221825, "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"}