1 [Federal Register: September 27, 2005 (Volume 70, Number 186 ...
1 [Federal Register: September 27, 2005 (Volume 70, Number 186 ... 1 [Federal Register: September 27, 2005 (Volume 70, Number 186 ...
Adoption of the AmendmentAccordingly, under the authority delegated to me by the Administrator, the FAA amends 14 CFR part39 as follows:PART 39–AIRWORTHINESS DIRECTIVES1. The authority citation for part 39 continues to read as follows:Authority: 49 U.S.C. 106(g), 40113, 44701.§ 39.13 [Amended]2. The FAA amends § 39.13 by adding the following new airworthiness directive (AD):6
AIRWORTHINESS DIRECTIVEAircraft Certification ServiceWashington, DCWe post ADs on the internet at www.faa.gov/aircraft/safety/alerts/U.S. Departmentof TransportationFederal AviationAdministrationThe following Airworthiness Directive issued by the Federal Aviation Administration in accordance with the provisions of Title 14 of the Code of Federal Regulations (14 CFR) part 39,applies to an aircraft model of which our records indicate you may be the registered owner. Airworthiness Directives affect aviation safety and are regulations which require immediateattention. You are cautioned that no person may operate an aircraft to which an Airworthiness Directive applies, except in accordance with the requirements of the AirworthinessDirective (reference 14 CFR part 39, subpart 39.3).2005-20-01 Boeing: Amendment 39-14294. Docket No. FAA-2005-20356; Directorate Identifier2004-NM-115-AD.Effective Date(a) This AD becomes effective November 1, 2005.Affected ADs(b) None.Applicability(c) This AD applies to all Boeing Model 737-100, -200, -200C, -300, -400, and -500 seriesairplanes, certificated in any category.Unsafe Condition(d) This AD was prompted by cracks in the stiffeners at left buttock line (LBL) and right buttockline (RBL) 6.15 on the rear spar of the wing center section. We are issuing this AD to detect andcorrect cracks in the stiffeners at LBL and RBL 6.15, which could result in damage to the keel beamstructure and consequently reduce the capability of the airplane to sustain flight loads.Compliance(e) You are responsible for having the actions required by this AD performed within thecompliance times specified, unless the actions have already been done.Service Bulletin Reference(f) The term ''service bulletin,'' as used in this AD, means the Accomplishment Instructions ofBoeing Alert Service Bulletin 737-57A1269, Revision 1, dated September 16, 2004.Initial and Repetitive Inspections(g) Before accumulating 15,000 total flight cycles, or within 180 days after the effective date ofthis AD, whichever occurs later: Do a detailed inspection of the stiffeners at LBL and RBL 6.15 forcracks, in accordance with Part I of the service bulletin. Thereafter at intervals not to exceed 4,5007
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Adoption of the AmendmentAccordingly, under the authority delegated to me by the Administrator, the FAA amends 14 CFR part39 as follows:PART 39–AIRWORTHINESS DIRECTIVES1. The authority citation for part 39 continues to read as follows:Authority: 49 U.S.C. 106(g), 40113, 44<strong>70</strong>1.§ 39.13 [Amended]2. The FAA amends § 39.13 by adding the following new airworthiness directive (AD):6
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