federal_register: 2012-31588
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2012-31588 | Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Turbofan Engines | Rule | We are adopting a new airworthiness directive (AD) for all Rolls-Royce Deutschland Ltd & Co KG BR700-715A1-30, BR700-715B1-30, and BR700-715C1-30 turbofan engines. This AD requires a one-time removal from service of the high-pressure (HP) compressor stages 1 to 6 rotor disc assembly before exceeding certain thresholds. This AD was prompted by a report of silver chloride-induced stress corrosion cracking of the HP compressor stages 1 to 6 rotor disc assembly, identified during overhaul. We are issuing this AD to prevent failure of the HP compressor stages 1 to 6 rotor disc assembly, which could result in uncontained failure of the engine and damage to the airplane. | 2013-01-10 | 2013 | 1 | https://www.federalregister.gov/documents/2013/01/10/2012-31588/airworthiness-directives-rolls-royce-deutschland-ltd-and-co-kg-turbofan-engines | https://www.govinfo.gov/content/pkg/FR-2013-01-10/pdf/2012-31588.pdf | Transportation Department; Federal Aviation Administration | 492,159 | We are adopting a new airworthiness directive (AD) for all Rolls-Royce Deutschland Ltd & Co KG BR700-715A1-30, BR700-715B1-30, and BR700-715C1-30 turbofan engines. This AD requires a one-time removal from service of the high-pressure (HP) compressor... |