45308 Federal Register / Vol. 72, No. 156 / Tuesday, August 14, 2007 / Rules and Regulations TABLE 2.—REQUIRED MATERIAL INCORPORATED BY REFERENCE Airbus service information Date All Operators Telex A300–600–55A6032 ......................................................................................................................................... June 23, 2004. All Operators Telex A310–55A2033 ................................................................................................................................................. June 23, 2004. Service Bulletin A300–55–6039, including Appendix 01 .................................................................................................................. June 7, 2006. Service Bulletin A310–55–2040, including Appendix 01 .................................................................................................................. June 7, 2006. If you accomplish the optional actions this AD to perform those actions, unless the specified in this AD, you must use the AD specifies otherwise. service documents identified in Table 3 of TABLE 3.—OPTIONAL MATERIAL INCORPORATED BY REFERENCE Airbus service information Date Service Bulletin A300–55–6040 ....................................................................................................................................................... June 5, 2006. Service Bulletin A310–55–2041 ....................................................................................................................................................... June 5, 2006. (1) The Director of the Federal Register AD in accordance with 5 U.S.C. 552(a) and approved the incorporation by reference of 1 CFR part 51. the documents identified in Table 4 of this TABLE 4.—NEW MATERIAL INCORPORATED BY REFERENCE Airbus service information Date Service Bulletin A300–55–6039, including Appendix 01 .................................................................................................................. June 7, 2006. Service Bulletin A300–55–6040 ....................................................................................................................................................... June 5, 2006. Service Bulletin A310–55–2040, including Appendix 01 .................................................................................................................. June 7, 2006. Service Bulletin A310–55–2041 ....................................................................................................................................................... June 5, 2006. (2) On February 3, 2006 (70 FR 77301, by reference of the service documents December 30, 2005), the Director of the identified in Table 5 of this AD. Federal Register approved the incorporation TABLE 5.—MATERIAL PREVIOUSLY INCORPORATED BY REFERENCE Airbus service information Date All Operators Telex A300–600–55A6032 ......................................................................................................................................... June 23, 2004. All Operators Telex A310–55A2033 ................................................................................................................................................. June 23, 2004. (3) Contact Airbus, 1 Rond Point Maurice DEPARTMENT OF TRANSPORTATION turbofan engines. That AD currently Bellonte, 31707 Blagnac Cedex, France, for a requires removing electronic control copy of this service information. You may Federal Aviation Administration unit (ECU) software version E.1.M. or review copies at the FAA, Transport Airplane earlier installed software, and installing Directorate, 1601 Lind Avenue, SW., Renton, 14 CFR Part 39 improved software for the ECU. This AD Washington; or at the National Archives and [Docket No. FAA–2005–21238; Directorate requires removing software version Records Administration (NARA). For Identifier 2005–NE–12–AD; Amendment 39– E.1.N or earlier from the engine ECU. information on the availability of this 15159; AD 2007–17–01] Engines with the new version software material at NARA, call 202–741–6030, or go to: http://www.archives.gov/federal-register/ RIN 2120–AA64 will have increased margin to flameout. cfr/ibr-locations.html. This AD results from reports of engine Airworthiness Directives; General flameout events during flight, including Issued in Renton, Washington, on August Electric (GE) CF6–80E1 Series reports of events where all engines 2, 2007. Turbofan Engines simultaneously experienced a flameout Ali Bahrami, or other adverse operation. Although the AGENCY: Federal Aviation Manager, Transport Airplane Directorate, Administration (FAA), Department of root cause investigation is not yet Aircraft Certification Service. Transportation (DOT). complete, we believe that exposure to [FR Doc. E7–15589 Filed 8–13–07; 8:45 am] ice crystals during flight is associated ACTION: Final rule; request for BILLING CODE 4910–13–P comments. with these flameout events. We are issuing this AD to minimize the SUMMARY: The FAA is superseding an potential of an all-engine flameout event existing airworthiness directive (AD) for caused by ice accretion and shedding General Electric (GE) CF6–80E1 series during flight. VerDate Aug<31>2005 15:59 Aug 13, 2007 Jkt 211001 PO 00000 Frm 00004 Fmt 4700 Sfmt 4700 E:\FR\FM\14AUR1.SGM 14AUR1 sroberts on PROD1PC70 with RULES Federal Register / Vol. 72, No. 156 / Tuesday, August 14, 2007 / Rules and Regulations 45309 DATES: Effective August 29, 2007. simultaneously experienced a flameout. minimize the potential of an all-engine We must receive any comments on Some of these events had high pressure flameout event caused by ice accretion this AD by October 15, 2007. compressor blade damage that may have and shedding during flight. This AD ADDRESSES: Use one of the following been caused by impact with shedding requires removing certain software addresses to comment on this AD. ice. In all events, the engines restarted versions from the engine ECU. • DOT Docket Web site: Go to and continued to operate normally for the remainder of the flight. FAA’s Determination of the Effective http://dms.dot.gov and follow the Date instructions for sending your comments This AD addresses only the CF6–80E1 electronically. series turbofan engines, installed on Since there are currently no domestic • Government-wide rulemaking Web Airbus Industrie A330 series airplanes. operators of this engine model, notice site: Go to http://www.regulations.gov We believe the CF6–80E1 series and opportunity for public comment and follow the instructions for sending turbofan engines are susceptible to before issuing this AD are unnecessary. your comments electronically. flameouts caused by ice accretion and A situation exists that allows the • Mail: U.S. Department of shedding into the engine during flight. immediate adoption of this regulation. Similar AD actions for CF6–80C2 series Transportation, Docket Operations, M– Interim Action 30, West Building Ground Floor, Room engines may be forthcoming. W12–140, 1200 New Jersey Avenue, SE., We view an all-engine flameout event These actions are interim actions due Washington, DC 20590. as an unsafe condition particularly for to the on-going investigation. We may • Hand Delivery: Deliver to Mail low-altitude events, or other factors that take further rulemaking actions in the address above between 9 a.m. and 5 might result in the inability to restart future, based on the results of the p.m., Monday through Friday, except the engines and regain control of the investigation and field experience. airplane. Since some aspects of this Federal holidays. Comments Invited • Fax: (202) 493–2251. problem are not completely understood, This AD is a final rule that involves Contact General Electric Company via this proposed AD is considered an requirements affecting flight safety and Lockheed Martin Technology Services, interim action due to GE’s on-going was not preceded by notice and an 10525 Chester Road, Suite C, Cincinnati, investigation. Future AD action might opportunity for public comment; Ohio 45215, telephone (513) 672–8400, become necessary based on the results however, we invite you to send us any fax (513) 672–8422, for the service of the investigation and field written relevant data, views, or information identified in this AD. experience. This condition of insufficient margin to engine flameout arguments regarding this AD. Send your FOR FURTHER INFORMATION CONTACT: John due to ice accretion and shedding comments to an address listed under Golinski, Aerospace Engineer, Engine during flight, if not addressed, could ADDRESSES. Include ‘‘AD Docket No. Certification Office, FAA, Engine and result in an all-engine flameout event FAA–2005–21238; Directorate Identifier Propeller Directorate, 12 New England during flight. 2005–NE–12–AD’’ in the subject line of Executive Park, Burlington, MA 01803; your comments. We specifically invite e-mail: [email protected]; Relevant Service Information comments on the overall regulatory, telephone: (781) 238–7135, fax: (781) We have reviewed and approved the economic, environmental, and energy 238–7199. technical contents of GE Service aspects of the rule that might suggest a SUPPLEMENTARY INFORMATION: The FAA Bulletin (SB) No. CF6–80E1 S/B 73– need to modify it. amends 14 CFR part 39 by superseding 0091, Revision 1, dated June 26, 2007. We will post all comments we AD 2005–10–16, Amendment 39–14093 That SB describes procedures for receive, without change, to http:// (70 FR 28806, May 19, 2005). That