Federal Register/Vol. 76, No. 16/Tuesday, January 25, 2011

4260 Federal Register / Vol. 76, No. 16 / Tuesday, January 25, 2011 / Proposed Rules DEPARTMENT OF TRANSPORTATION W12–140, 1200 New Jersey Avenue, SE., will also post a report summarizing each Washington, DC 20590. substantive verbal contact we receive Federal Aviation Administration • Hand Delivery: U.S. Department of about this proposed AD. Transportation, Docket Operations, M– 14 CFR Part 39 30, West Building Ground Floor, Room Discussion W12–40, 1200 New Jersey Avenue, SE., [Docket No. FAA–2011–0030; Directorate On February 6, 2007, we issued AD Identifier 2009–NM–183–AD] Washington, DC, between 9 a.m. and 5 2007–04–11, Amendment 39–14943 (72 p.m., Monday through Friday, except FR 8604, February 27, 2007). That AD RIN 2120–AA64 Federal holidays. required actions intended to address an For service information identified in unsafe condition on Airbus Model A300 Airworthiness Directives; Airbus Model this proposed AD, contact Airbus SAS— B2 and B4 series airplanes. A300 and A310 Series Airplanes, and EAW (Airworthiness Office), 1 Rond Model A300 B4–600, B4–600R, and F4– Point Maurice Bellonte, 31707 Blagnac On September 19, 2007, we issued AD 600R Series Airplanes, and Model C4– Cedex, France; telephone +33 5 61 93 36 2007–20–03, Amendment 39–15213 (72 605R Variant F Airplanes (Collectively 96; fax +33 5 61 93 44 51; e-mail FR 54536, September 26, 2007). That Called A300–600 Series Airplanes) [email protected]; AD required actions intended to address Internet http://www.airbus.com. You an unsafe condition on Airbus Model AGENCY: Federal Aviation may review copies of the referenced A300–600 series airplanes. Administration (FAA), DOT. service information at the FAA, On November 23, 2007, we issued AD ACTION: Notice of proposed rulemaking Transport Airplane Directorate, 1601 2007–25–02, Amendment 39–15283 (72 (NPRM). Lind Avenue, SW., Renton, Washington. FR 69612, December 10, 2007). That AD required actions intended to address an SUMMARY: We propose to adopt a new For information on the availability of unsafe condition on Airbus Model A310 airworthiness directive (AD) for the this material at the FAA, call 425–227– series airplanes. products listed above that would 1221. supersede three existing ADs. This Examining the AD Docket Since we issued ADs 2007–04–11, proposed AD results from mandatory 2007–20–03, and 2007–25–02, we have You may examine the AD docket on continuing airworthiness information determined that the airworthiness the Internet at http:// (MCAI) originated by an aviation limitations for these airplanes must be www.regulations.gov; or in person at the authority of another country to identify updated in order to adequately address Docket Operations office between 9 a.m. and correct an unsafe condition on an the unsafe condition. The European and 5 p.m., Monday through Friday, aviation product. The MCAI describes Aviation Safety Agency (EASA), which except Federal holidays. The AD docket the unsafe condition as: is the Technical Agent for the Member contains this proposed AD, the States of the European Community, has The airworthiness limitations applicable to regulatory evaluation, any comments the Damage Tolerant Airworthiness issued EASA Airworthiness Directive received, and other information. The 2009–0155, dated July 17, 2009 (referred Limitation Items (DT ALI) are currently listed street address for the Docket Operations in Airbus ALI Documents, which are to after this as ‘‘the MCAI’’), to correct referenced in the A300, A310, and A300–600 office (telephone (800) 647–5527) is in an unsafe condition for the specified Airworthiness Limitations Section (ALS) Part the ADDRESSES section. Comments will products. The MCAI states: 2. Airbus has recently revised the ALI be available in the AD docket shortly Documents, which have been approved by after receipt. The airworthiness limitations applicable to the Damage Tolerant Airworthiness the European Aviation Safety Agency FOR FURTHER INFORMATION CONTACT: Dan Limitation Items (DT ALI) are currently listed (EASA). Rodina, Aerospace Engineer, in Airbus ALI Documents, which are * * * * * International Branch, ANM–116, FAA, referenced in the A300, A310, and A300–600 The actions contained in these revised Transport Airplane Directorate, 1601 documents, which introduce more restrictive Airworthiness Limitations Section (ALS) Part Lind Avenue, SW., Renton, Washington 2. Airbus has recently revised the ALI maintenance requirements and/or 98057–3356; telephone (425) 227–2125; airworthiness limitations, have been Documents, which have been approved by identified as mandatory actions for continued fax (425) 227–1149. the European Aviation Safety Agency airworthiness. * * * SUPPLEMENTARY INFORMATION: (EASA). The unsafe condition is fatigue cracking, Comments Invited —Airbus A300 ALI Document issue 04. damage, or corrosion in principal —Airbus A310 ALI Document issue 07 and We invite you to send any written —Airbus A300–600 ALI Document issue 12 structural elements, which could result relevant data, views, or arguments about The actions contained in these revised in reduced structural integrity of the this proposed AD. Send your comments airplane. The proposed AD would documents, which introduce more restrictive to an address listed under the maintenance requirements and/or require actions that are intended to ADDRESSES section. Include ‘‘Docket No. airworthiness limitations, have been address the unsafe condition described FAA–2011–0030; Directorate Identifier in the MCAI. identified as mandatory actions for continued 2009–NM–183–AD’’ at the beginning of airworthiness. EASA issued ADs 2006–0071, DATES: We must receive comments on your comments. We specifically invite 2006–0260, and 2006–0374 [which this proposed AD by March 11, 2011. comments on the overall regulatory, correspond to FAA ADs 2007–04–11, 2007– ADDRESSES: You may send comments by economic, environmental, and energy 25–02, and 2007–20–03] to require any of the following methods: aspects of this proposed AD. We will compliance with the maintenance • Federal eRulemaking Portal: Go to consider all comments received by the requirements and associated airworthiness http://www.regulations.gov. Follow the closing date and may amend this limitations defined in previous issues of instructions for submitting comments. proposed AD based on those comments. these Airbus ALI documents. • Fax: (202) 493–2251. We will post all comments we For the reason described above, [the] EASA • Mail: U.S. Department of receive, without change, to http:// AD supersedes existing ADs 2006–0071, Transportation, Docket Operations, M– www.regulations.gov, including any 2006–0260, and 2006–0374 and requires an 30, West Building Ground Floor, Room personal information you provide. We update to the approved aircraft maintenance VerDate Mar<15>2010 18:06 Jan 24, 2011 Jkt 223001 PO 00000 Frm 00007 Fmt 4702 Sfmt 4702 E:\FR\FM\25JAP1.SGM 25JAP1 srobinson on DSKHWCL6B1PROD with PROPOSALS Federal Register / Vol. 76, No. 16 / Tuesday, January 25, 2011 / Proposed Rules 4261 programme and compliance with the Costs of Compliance on a substantial number of small entities maintenance requirements and associated Based on the service information, we under the criteria of the Regulatory airworthiness limitations defined in the estimate that this proposed AD would Flexibility Act. Airbus ALI Documents listed above. We prepared a regulatory evaluation affect about 206 products of U.S. of the estimated costs to comply with registry. The unsafe condition is fatigue cracking, this proposed AD and placed it in the The actions that are required by AD damage, or corrosion in principal AD docket. structural elements, which could result 2007–04–11, AD 2007–20–03, and AD in reduced structural integrity of the 2007–25–02, and retained in this List of Subjects in 14 CFR Part 39 airplane. The required actions include proposed AD, take about 1 work hour Air transportation, Aircraft, Aviation revising the Airworthiness Limitations per product. The average labor rate is safety, Incorporation by reference, section of the Instructions for Continued $85 per work-hour. Based on these Safety. Airworthiness to incorporate new and figures, we estimate the cost of those revised structural inspections and actions on U.S. operators to be $85 per The Proposed Amendment inspection intervals. You may obtain product. Accordingly, under the authority further information by examining the We estimate that it would take about delegated to me by the Administrator, MCAI in the AD docket. 1 work-hour per product to comply with the FAA proposes to amend 14 CFR part the new requirements of this proposed 39 as follows: Relevant Service Information AD. The average labor rate is $85 per work-hour. Based on these figures, we PART 39—AIRWORTHINESS Airbus has issued A300–600 estimate the cost of the proposed AD on DIRECTIVES Airworthiness Limitation Items (ALI) U.S. operators to be $17,510, or $85 per 1. The authority citation for part 39 Document AI/SE–M2/95A.1310/07, product. Issue 12, dated June 2008; A300 ALI continues to read as follows: Document AI/SE–M2/95A.1308/07, Authority for This Rulemaking Authority: 49 U.S.C. 106(g), 40113, 44701. Issue 4, dated June 2008; and A310 ALI Title 49 of the United States Code § 39.13 [Amended] Document, AI/SE–M2/95A.1309/07, specifies the FAA’s authority to issue Issue 7, dated June 2008. The actions rules on aviation safety. Subtitle I, 2. The FAA amends § 39.13 by described in this service information are section 106, describes the authority of removing Amendment 39–14943 (72 FR intended to correct the unsafe condition the FAA Administrator. ‘‘Subtitle VII: 8604, February 27, 2007); Amendment identified in the MCAI. Aviation Programs,’’ describes in more 39–15213 (72 FR 54536, September 26, detail the scope of the Agency’s 2007); and Amendment 39–15283 (72 FAA’s Determination and Requirements FR 69612, December 10, 2007); and of This Proposed AD authority. We are issuing this rulemaking under adding the following new AD: This product has been approved by the authority described in ‘‘Subtitle VII, Airbus: Docket No.

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