federal_register: 2012-21556
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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 |
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| 2012-21556 | Airworthiness Directives; The Boeing Company Airplanes | Proposed Rule | We are revising an earlier proposed airworthiness directive (AD) for certain The Boeing Company Model 737-600, -700, -700C, -800, - 900, and -900ER series airplanes. That NPRM proposed to require checking the escape slide girt for serviceability, and replacement if necessary; modifying the cable routing provision; replacing the regulator padding; modifying the aspirator orientation; and modifying the valise. That NPRM also proposed to require, for certain airplanes, modifying or replacing the Vespel piston, modifying the pilot valve regulator, installing a new firing cable and safety pin, and modifying the slide valise. That NPRM was prompted by reports of escape slides failing to deploy from the forward and aft right-hand doors during scheduled maintenance slide deployments. This action revises that NPRM by adding airplanes to the applicability of that NPRM and specifying revised service information. We are proposing this supplemental NPRM to prevent failure of an escape slide to deploy, which could result in the slide being unusable during an emergency evacuation and increased likelihood of injury to passengers or crewmembers due to the difficulty in evacuating the airplane. Since these actions impose an additional burden over that proposed in the NPRM, we are reopening the comment period to allow the public the chance to comment on these proposed changes. | 2012-08-31 | 2012 | 8 | https://www.federalregister.gov/documents/2012/08/31/2012-21556/airworthiness-directives-the-boeing-company-airplanes | https://www.govinfo.gov/content/pkg/FR-2012-08-31/pdf/2012-21556.pdf | Transportation Department; Federal Aviation Administration | 492,159 | We are revising an earlier proposed airworthiness directive (AD) for certain The Boeing Company Model 737-600, -700, -700C, -800, - 900, and -900ER series airplanes. That NPRM proposed to require checking the escape slide girt for serviceability, and... |