federal_register: 2012-2004

All Federal Register documents (rules, proposed rules, notices, presidential documents) from 1994 to present. Nearly 1M documents with full-text search.

Data license: Public Domain (U.S. Government data) · Data source: Federal Register API & Regulations.gov API

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document_number title type abstract publication_date pub_year pub_month html_url pdf_url agency_names agency_ids excerpts regulation_id_numbers
2012-2004 Airworthiness Directives; The Boeing Company Airplanes Rule We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 737-100, -200, -200C, and -300 series airplanes. This AD was prompted by a report from the airplane manufacturer that airplanes were assembled with air distribution ducts in the environmental control system (ECS) wrapped with Boeing Material Specification (BMS) 8-39 or Aeronautical Materials Specifications (AMS) 3570 polyurethane foam insulation, a material with fire-retardant properties that deteriorate with age. This AD requires reworking certain air distribution ducts in the ECS. We are issuing this AD to prevent ignition of the BMS 8-39 or AMS 3570 polyurethane foam insulation on the duct assemblies of the ECS due to a potential electrical arc, which could start a small fire and lead to a larger fire that may spread throughout the airplane through the ECS. 2012-02-07 2012 2 https://www.federalregister.gov/documents/2012/02/07/2012-2004/airworthiness-directives-the-boeing-company-airplanes https://www.govinfo.gov/content/pkg/FR-2012-02-07/pdf/2012-2004.pdf Transportation Department; Federal Aviation Administration 492,159 We are adopting a new airworthiness directive (AD) for certain The Boeing Company Model 737-100, -200, -200C, and -300 series airplanes. This AD was prompted by a report from the airplane manufacturer that airplanes were assembled with air distribution...  

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