Federal Register / Vol. 71, No. 130 / Friday, July 7, 2006 / Rules and Regulations 38515

or other weight concentrations outboard could be the origin of cracks that considered the single comment of the fuselage. For the angular developed in the fuselage skin and received. acceleration conditions, zero rolling propagated from the edge of the air vent Request To Add Revised Service velocity may be assumed in the absence hole. We are issuing this AD to prevent Information of a rational time history investigation fatigue cracking of the fuselage skin, of the maneuver. which could result in loss of the The manufacturer, Airbus, advises b. At VA, sudden movement of the structural integrity of the fuselage and that the service bulletin specified in the cockpit roll control up to the limit is consequent rapid depressurization of NPRM has been revised. Airbus notes assumed. The position of the cockpit the airplane. that Airbus Service Bulletin A300–53– roll control must be maintained, until a DATES: This AD becomes effective 6151, Revision 01, dated April 21, 2006, steady roll rate is achieved and then August 11, 2006. contains minor changes and that no must be returned suddenly to the The Director of the Federal Register additional work is required. neutral position. approved the incorporation by reference We agree with Airbus. We have reviewed Revision 01 of the service c. At VC, the cockpit roll control must of a certain publication listed in the AD be moved suddenly and maintained so as of August 11, 2006. bulletin and agree that it does not necessitate additional work. We have as to achieve a roll rate not less than ADDRESSES: You may examine the AD revised paragraphs (f) and (g) of the AD that obtained in paragraph b. above. docket on the Internet at http:// to reflect the revised service bulletin. In d. At VD, the cockpit roll control must dms.dot.gov or in person at the Docket addition, we have added a new be moved suddenly and maintained so Management Facility, U.S. Department paragraph (h) to this AD specifying that as to achieve a roll rate not less than one of Transportation, 400 Seventh Street, accomplishment of the actions specified third of that obtained in paragraph b. SW., Nassif Building, Room PL–401, in paragraph (f) of the AD in accordance above. Washington, DC. with the original issue of the service Contact Airbus, 1 Rond Point Maurice Issued in Renton, Washington, on June 29, bulletin is considered to be an 2006. Bellonte, 31707 Blagnac Cedex, France, acceptable method of compliance. for service information identified in this Ali Bahrami, Subsequent paragraphs of the AD have AD. Manager, Transport Airplane Directorate, been re-identified accordingly. Aircraft Certification Service. FOR FURTHER INFORMATION CONTACT: Tom Revision 01 also includes a reduced [FR Doc. E6–10673 Filed 7–6–06; 8:45 am] Stafford, Aerospace Engineer, cost for parts and we have revised the BILLING CODE 4910–13–P International Branch, ANM–116, Costs of Compliance section of the AD Transport Airplane Directorate, FAA, to reflect that reduced cost. 1601 Lind Avenue, SW., Renton, DEPARTMENT OF TRANSPORTATION Washington 98055–4056; telephone Explanation of Change to This Final (425) 227–1622; fax (425) 227–1149. Rule Federal Aviation Administration SUPPLEMENTARY INFORMATION: Paragraph (g) of the NPRM specifies making repairs using a method 14 CFR Part 39 Examining the Docket approved by either the FAA or the [Docket No. FAA–2006–24367; Directorate You may examine the airworthiness Direction Ge´ne´rale de l’Aviation Civile Identifier 2006–NM–041–AD; Amendment directive (AD) docket on the Internet at (or its delegated agent). The European 39–14677; AD 2006–14–06] http://dms.dot.gov or in person at the Aviation Safety Agency (EASA) has RIN 2120–AA64 Docket Management Facility office assumed responsibility for the airplane between 9 a.m. and 5 p.m., Monday models subject to this AD. Therefore, we Airworthiness Directives; Airbus Model through Friday, except Federal holidays. have revised paragraph (g) of this AD to A300 F4–600R Series Airplanes and The Docket Management Facility office specify making repairs using a method Model A300 C4–605R Variant F (telephone (800) 647–5227) is located on approved by either the FAA or the Airplanes the plaza level of the Nassif Building at EASA (or its delegated agent). the street address stated in the Conclusion AGENCY: Federal Aviation ADDRESSES section. Administration (FAA), Department of We have carefully reviewed the Transportation (DOT). Discussion available data, including the comment ACTION: Final rule. The FAA issued a notice of proposed received, and determined that air safety rulemaking (NPRM) to amend 14 CFR and the public interest require adopting SUMMARY: The FAA is adopting a new part 39 to include an AD that would the AD with the changes described airworthiness directive (AD) for certain apply to certain Airbus Model A300 F4– previously. These changes will neither Airbus Model A300 F4–600R series 600R series airplanes and Model A300 increase the economic burden on any airplanes and Model A300 C4–605R C4–605R Variant F airplanes. That operator nor increase the scope of the Variant F airplanes. This AD requires NPRM was published in the Federal AD. modifying certain structure in the Register on April 11, 2006 (71 FR Costs of Compliance fuselage zone at the lavatory venturi 18237). That NPRM proposed to require installation in the nose section, and modifying certain structure in the This AD affects about 86 airplanes of performing a related investigative action fuselage zone at the lavatory venturi U.S. registry. The modification and corrective action if necessary. This installation in the nose section, and (including the inspection) takes about AD results from an analysis that performing a related investigative action 28 work hours per airplane, at an revealed that airplanes equipped with and corrective action if necessary. average labor rate of $80 per work hour. Airbus Modification 08909 had a Required parts cost about $399 per concentration of loads higher than Comments airplane. Based on these figures, the expected in the fuselage zone (high We provided the public the estimated cost of the AD for U.S. stress) at the lavatory venturi opportunity to participate in the operators is $226,954, or $2,639 per installation in the nose section, which development of this AD. We have airplane.

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Authority for This Rulemaking Authority: 49 U.S.C. 106(g), 40113, 44701. the effective date of this AD in accordance with Airbus Service Bulletin A300–53–6151, Title 49 of the United States Code § 39.13 [Amended] dated December 2, 2005, is acceptable for specifies the FAA’s authority to issue I 2. The Federal Aviation compliance with the requirements of rules on aviation safety. Subtitle I, Administration (FAA) amends § 39.13 paragraph (f) of this AD. section 106, describes the authority of by adding the following new Alternative Methods of Compliance the FAA Administrator. Subtitle VII, airworthiness directive (AD): (AMOCs) Aviation Programs, describes in more detail the scope of the Agency’s 2006–14–06 Airbus: Amendment 39–14677. (i)(1) The Manager, International Branch, ANM–116, has the authority to approve authority. Docket No. FAA–2006–24367; Directorate Identifier 2006–NM–041–AD. AMOCs for this AD, if requested in We are issuing this rulemaking under accordance with the procedures found in 14 the authority described in subtitle VII, Effective Date CFR 39.19. part A, subpart III, section 44701, (a) This AD becomes effective August 11, (2) Before using any AMOC approved in ‘‘General requirements.’’ Under that 2006. accordance with § 39.19 on any airplane to which the AMOC applies, notify the section, Congress charges the FAA with Affected ADs promoting safe flight of civil aircraft in appropriate principal inspector in the FAA air commerce by prescribing regulations (b) None. Flight Standards Certificate Holding District for practices, methods, and procedures Applicability Office. the Administrator finds necessary for (c) This AD applies to Airbus Model A300 Related Information safety in air commerce. This regulation F4–605R and F4–622R airplanes and Model (j) French airworthiness directive F–2006– is within the scope of that authority A300 C4–605R Variant F airplanes, 030, dated February 1, 2006, also addresses because it addresses an unsafe condition certificated in any category; on which Airbus the subject of this AD. that is likely to exist or develop on Modification 08909 has been done in production; except airplanes on which Material Incorporated by Reference products identified in this rulemaking Airbus Modification 12980 has been done in (k) You must use Airbus Service Bulletin action. production. A300–53–6151, Revision 01, dated April 21, Regulatory Findings Unsafe Condition 2006, to perform the actions that are required by this AD, unless the AD specifies We have determined that this AD will (d) This AD results from an analysis that otherwise. The Director of the Federal not have federalism implications under revealed that airplanes equipped with Airbus Register approved the incorporation by Executive Order 13132. This AD will Modification 08909 had a concentration of reference of this document in accordance not have a substantial direct effect on loads higher than expected in the fuselage with 5 U.S.C. 552(a) and 1 CFR part 51. zone (high stress) at the lavatory venturi Contact Airbus, 1 Rond Point Maurice the States, on the relationship between installation in the nose section, which could the national government and the States, Bellonte, 31707 Blagnac Cedex, France, for a be the origin of cracks that developed in the copy of this service information. You may or on the distribution of power and fuselage skin and propagated from the edge review copies at the Docket Management responsibilities among the various of the air vent hole. We are issuing this AD Facility, U.S. Department of Transportation, levels of government. to prevent fatigue cracking of the fuselage 400 Seventh Street, SW., Room PL–401, For the reasons discussed above, I skin, which could result in loss of the Nassif Building, Washington, DC; on the certify that this AD: structural integrity of the fuselage and Internet at http://dms.dot.gov; or at the (1) Is not a ‘‘significant regulatory consequent rapid depressurization of the National Archives and Records airplane. action’’ under Executive Order 12866; Administration (NARA). For information on (2) Is not a ‘‘significant rule’’ under Compliance the availability of this material at the NARA, call (202) 741–6030, or go to http:// DOT Regulatory Policies and Procedures (e) You are responsible for having the www.archives.gov/federal_register/ (44 FR 11034, February 26, 1979); and actions required by this AD performed within code_of_federal_regulations/ the compliance times specified, unless the (3) Will not have a significant ibr_locations.html. economic impact, positive or negative, actions have already been done. Issued in Renton, Washington, on June 28, on a substantial number of small entities Modification/Investigative Action under the criteria of the Regulatory 2006. (f) Before the accumulation of 16,900 total Kalene C. Yanamura, Flexibility Act. flight cycles since first flight of the airplane: We prepared a regulatory evaluation Modify the fuselage zone at the lavatory Acting Manager, Transport Airplane of the estimated costs to comply with venturi installation area between frame (FR) Directorate, Aircraft Certification Service. this AD and placed it in the AD docket. 12 and FR 12A on the left-hand side of the [FR Doc. 06–6003 Filed 7–6–06; 8:45 am] See the ADDRESSES section for a location nose section and do the related investigative BILLING CODE 4910–13–P to examine the regulatory evaluation. action by accomplishing all the actions specified in the Accomplishment List of Subjects in 14 CFR Part 39 Instructions of Airbus Service Bulletin A300– DEPARTMENT OF TRANSPORTATION 53–6151, Revision 01, dated April 21, 2006. Air transportation, Aircraft, Aviation safety, Incorporation by reference, Corrective Action Federal Aviation Administration Safety. (g) If any crack is found during the inspection required by this AD and Airbus 14 CFR Part 71 Adoption of the Amendment Service Bulletin A300–53–6151, Revision 01, [Docket No. FAA–2005–20551; Airspace I Accordingly, under the authority dated April 21, 2006, specifies to contact Docket No. 06–AAL–18] Airbus for crack repair: Before further flight, delegated to me by the Administrator, repair the crack using a method approved by RIN 2120–AA66 the FAA amends 14 CFR part 39 as either the Manager, International Branch, follows: ANM–116, Transport Airplane Directorate, Re-Designation of VOR Federal Airway FAA; or the European Aviation Safety V–431; Alaska PART 39—AIRWORTHINESS Agency (or its delegated agent). DIRECTIVES AGENCY: Federal Aviation Acceptable for Compliance Administration (FAA), DOT. I 1. The authority citation for part 39 (h) Accomplishment of the actions ACTION: Final rule. continues to read as follows: required by paragraph (f) of this AD before

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