Federal Register / Vol. 74, No. 55 / Tuesday, March 24, 2009 / Rules and Regulations 12245 Effective Date (425) 917–6421; fax (425) 917–6590; has the DEPARTMENT OF TRANSPORTATION (a) This airworthiness directive (AD) is authority to approve AMOCs for this AD, if effective April 28, 2009. requested using the procedures found in 14 Federal Aviation Administration CFR 39.19. Affected ADs (2) To request a different method of 14 CFR Part 39 (b) None. compliance or a different compliance time [Docket No. FAA–2008–1361; Directorate Applicability for this AD, follow the procedures in 14 CFR Identifier 2008–NM–140–AD; Amendment (c) This AD applies to Boeing Model 767– 39.19. Before using any approved AMOC on 39–15858; AD 2009–06–21] 200 and 767–300 series airplanes, certificated any airplane to which the AMOC applies, in any category; as identified in Boeing Alert notify your appropriate principal inspector RIN 2120–AA64 Service Bulletin 767–53A0147, dated August (PI) in the FAA Flight Standards District 16, 2007. Office (FSDO), or lacking a PI, your local Airworthiness Directives; Bombardier Model DHC–8–102, –103, and –106 Unsafe Condition FSDO. (3) An AMOC that provides an acceptable Airplanes, and Model DHC–8–200, (d) This AD results from analysis that level of safety may be used for any repair –300, and –400 Series Airplanes indicates fatigue cracks of the web lap splice, tear strap splice, or super tear strap splice of required by this AD, if it is approved by an AGENCY: Federal Aviation the aft bulkhead are expected to occur on Authorized Representative for the Boeing Administration (FAA), Department of certain Boeing Model 767–200 and 767–300 Commercial Airplanes Delegation Option Transportation (DOT). Authorization Organization who has been series airplanes. We are proposing this AD to ACTION: Final rule. detect and correct fatigue cracks of the aft authorized by the Manager, Seattle ACO, to pressure bulkhead, which could result in make those findings. For a repair method to SUMMARY: We are adopting a new rapid decompression of the passenger be approved, the repair must meet the airworthiness directive (AD) for the compartment and possible damage or certification basis of the airplane and the products listed above. This AD results interference with airplane control systems approval must specifically refer to this AD. that penetrate the bulkhead, and consequent from mandatory continuing (4) Inspections of repaired areas approved loss of controllability of the airplane. airworthiness information (MCAI) as an AMOC for the inspection requirements originated by an aviation authority of Compliance of this AD are also approved as an AMOC to another country to identify and correct (e) Comply with this AD within the the inspections for the repaired areas only as an unsafe condition on an aviation compliance times specified, unless already required by paragraph (d) of AD 2003–18–10. product. The MCAI describes the unsafe done. Material Incorporated by Reference condition as: Inspections and Applicable Related A fuselage spoiler cable disconnect sensing Investigative and Corrective Actions (h) You must use Boeing Alert Service Bulletin 767–53A0147, dated August 16, device was installed in production on later (f) Except as provided by paragraphs (f)(1) 2007, to do the actions required by this AD, DHC–8 Series 100/200/300 aircraft, and on and (f)(2) of this AD: At the applicable all DHC–8 Series 400 aircraft. On earlier unless the AD specifies otherwise. compliance time and repeat intervals listed DHC–8 Series 100/200/300 aircraft, its in Tables 1 and 2 of paragraph 1.E., (1) The Director of the Federal Register installation was mandated by [Canadian] ‘‘Compliance,’’ of Boeing Alert Service approved the incorporation by reference of Airworthiness Directive CF–2006–13 [which Bulletin 767–53A0147, dated August 16, this service information under 5 U.S.C. corresponds to FAA AD 2007–21–16]. 2007, do detailed inspections of the aft 552(a) and 1 CFR part 51. However, several incorrectly assembled pressure bulkhead for damage, mid- (2) For service information identified in spoiler cable disconnect sensing devices have frequency eddy current (MFEC) and low this AD, contact Boeing Commercial recently been discovered on in-service frequency eddy current (LFEC) inspections of Airplanes, Attention: Data & Services aircraft. A pulley and plastic spacer had been radial web lap splices, tear strap splices, and Management, P.O. Box 3707, MC 2H–65, inadvertently interchanged during assembly super tear strap splices for cracking, and Seattle, Washington 98124–2207; telephone of the device in production, resulting in the applicable corrective actions, by 206–544–5000, extension 1, fax 206–766– spoiler cable sliding on the spacer rather than accomplishing all the applicable actions on the pulley, as designed. 5680; e-mail [email protected]; specified in the Accomplishment Continued operation with an incorrectly Internet https://www.myboeingfleet.com. Instructions of the service bulletin. assembled spoiler cable disconnect sensing (1) Where Table 1 of paragraph 1.E., (3) You may review copies of the service device could result in impaired operation of ‘‘Compliance,’’ of Boeing Alert Service information at the FAA, Transport Airplane the sensing device and/or an eventual Bulletin 767–53A0147, dated August 16, Directorate, 1601 Lind Avenue, SW., Renton, fuselage spoiler cable disconnect, with 2007, specifies a compliance time after the Washington. For information on the possible reduced controllability of the date on that service bulletin, this AD requires availability of this material at the FAA, call aircraft. compliance within the specified compliance 425–227–1221 or 425–227–1152. We are issuing this AD to require time after the effective date of this AD. (4) You may also review copies of the (2) Where Boeing Alert Service Bulletin actions to correct the unsafe condition service information that is incorporated by 767–53A0147, dated August 16, 2007, on these products. reference at the National Archives and specifies a compliance time of ‘‘As given by DATES: This AD becomes effective April Boeing’’ or to contact Boeing for the Records Administration (NARA). For information on the availability of this 28, 2009. appropriate action, this AD requires, before The Director of the Federal Register further flight, inspections of the area of repair material at NARA, call 202–741–6030, or go and repair of any damaged/cracked part, as to: http://www.archives.gov/federal_register/ approved the incorporation by reference applicable, using a method approved in code_of_federal_regulations/ibr of certain publications listed in this AD accordance with the procedures specified in _locations.html. as of April 28, 2009. paragraph (g) of this AD. ADDRESSES: You may examine the AD Issued in Renton, Washington, on March docket on the Internet at http:// Alternative Methods of Compliance 12, 2009. (AMOCs) www.regulations.gov or in person at the Ali Bahrami, U.S. Department of Transportation, (g)(1) The Manager, Seattle Aircraft Manager, Transport Airplane Directorate, Certification Office (ACO), FAA, ATTN: Docket Operations, M–30, West Aircraft Certification Service. Tamara L. Anderson, Aerospace Engineer, Building Ground Floor, Room W12–140, Airframe Branch, ANM–120S, 1601 Lind [FR Doc. E9–5961 Filed 3–23–09; 8:45 am] 1200 New Jersey Avenue, SE., Avenue, SW., Renton, Washington telephone BILLING CODE 4910–13–P Washington, DC. VerDate Nov<24>2008 01:02 Mar 24, 2009 Jkt 217001 PO 00000 Frm 00021 Fmt 4700 Sfmt 4700 E:\FR\FM\24MRR1.SGM 24MRR1 mstockstill on PROD1PC66 with RULES 12246 Federal Register / Vol. 74, No. 55 / Tuesday, March 24, 2009 / Rules and Regulations FOR FURTHER INFORMATION CONTACT: Dan We determined that this change will not For the reasons discussed above, I Parrillo, Aerospace Engineer, Airframe increase the economic burden on any certify this AD: and Propulsion Branch, ANE–171, FAA, operator or increase the scope of the AD. 1. Is not a ‘‘significant regulatory New York Aircraft Certification Office, action’’ under Executive Order 12866; Differences Between This AD and the 1600 Stewart Avenue, Suite 410, 2. Is not a ‘‘significant rule’’ under the MCAI or Service Information Westbury, New York 11590; telephone DOT Regulatory Policies and Procedures (516) 228–7305; fax (516) 794–5531. We have reviewed the MCAI and (44 FR 11034, February 26, 1979); and SUPPLEMENTARY INFORMATION: related service information and, in 3. Will not have a significant general, agree with their substance. But economic impact, positive or negative, Discussion we might have found it necessary to use on a substantial number of small entities We issued a notice of proposed different words from those in the MCAI under the criteria of the Regulatory rulemaking (NPRM) to amend 14 CFR to ensure the AD is clear for U.S. Flexibility Act. part 39 to include an AD that would operators and is enforceable. In making We prepared a regulatory evaluation apply to the specified products. That these changes, we do not intend to differ of the estimated costs to comply with NPRM was published in the Federal substantively from the information this AD and placed it in the AD docket. Register on January 12, 2009 (74 FR provided in the MCAI and related Examining the AD Docket 1164). That NPRM proposed to correct service information. You may examine the AD docket on an unsafe condition for the specified We might also have required different the Internet at http:// products. The MCAI states: actions in this AD from those in the MCAI in order to follow our FAA www.regulations.gov; or in person at the A fuselage spoiler cable disconnect sensing policies. Any such differences are Docket Operations office between 9 a.m. device was installed in production on later highlighted in a NOTE within the AD. and 5 p.m., Monday through Friday, DHC–8 Series 100/200/300 aircraft, and on except Federal holidays.