2019-06-06: Turbine Engine Combustion Section

Adoption of the Amendment \n\n\n\tAccordingly, under the authority delegated to me by the Administrator, the FAA amends 14 CFR part 39 as follows: \n\nPART 39--AIRWORTHINESS DIRECTIVES \n\n0 1. The authority citation for part 39 continues to read as follows: \n\n\n\n\n\tAuthority: 49 U.S.C. 106(g), 40113, 44701. \n\n\n\nSec. 39.13 (Amended) \n\n0 2. The FAA amends Sec. 39.13 by adding the following new airworthiness directive (AD): \n\n2019-06-06 International Aero Engines AG: Amendment 39-19604; Docket No. FAA-2019-0151; Product Identifier 2019-NE-04-AD. \n\n(a) Effective Date \n\n\n\tThis AD is effective April 12, 2019. \n\n(b) Affected ADs \n\n\n\tNone. \n\n(c) Applicability \n\n\n\tThis AD applies to International Aero Engines AG (IAE) V2500-A1, V2522-A5, V2524-A5, V2525-D5, V2527-A5, V2527E-A5, V2527M-A5, V2528- D5, V2530-A5, V2533-A5 turbofan engines. \n\n(d) Subject \n\n\n\tJoint Aircraft System Component (JASC) Code 7240, Turbine Engine Combustion Section. \n\n(e) Unsafe ConditionThis AD was prompted by a crack found at the diffuser case M- flange during overhaul inspection. We are issuing this AD to prevent failure of the diffuser case. The unsafe condition, if not addressed, could result in uncontained diffuser case rupture, damage to the engine, and damage to the airplane. \n\n(f) Compliance \n\n\n\tComply with this AD within the compliance times specified, unless already done. \n\n(g) Required Actions \n\n\n\t(1) For diffuser cases with a rear outer flange that is equal to or greater than 20,000 cycles since new (CSN) on the effective date of this AD, perform an initial borescope inspection (BSI) of zones 1, 2, and 3 of the diffuser case M-flange before accumulating the BSI Within (Cycles) listed in Table 1 to paragraph (g)(1) of this AD. Use the Accomplishment Instructions, paragraphs 2.A. through 2.G. for the appropriate engine model, of IAE Alert Non-Modification Service Bulletin (NMSB) V2500-ENG-72-A0706, dated February 14, 2019, to perform the inspection. \n\n((Page 11644)) \n\n(GRAPHIC) (TIFF OMITTED) TR28MR19.000 \n\n\n\t(2) For diffuser cases with a rear outer flange that have fewer than 20,000 CSN on the effective date of this AD, perform an initial BSI of zones 1, 2, and 3 of the diffuser case M-flange within 21,300 CSN, in accordance with the Accomplishment Instructions, paragraphs 2.A. through 2.G. for the appropriate engine model, of IAE Alert NMSB V2500-ENG-72-A0706, dated February 14, 2019. \n\t(3) If no cracks are found, perform a repetitive BSI not to exceed every 2,100 cycles since the previous BSI. \n\t(4) If cracks are found, remove the diffuser case and replace with a part eligible for installation or repeat the BSI within the intervals in either Table 2: Fly on Limits or Table 4: Fly on Limits, as appropriate for the affected the engine model, of IAE Alert NMSB V2500-ENG-72-A0706, dated February 14, 2019. \n\n(h) Credit for Previous Actions \n\n\n\tYou may take credit for the actions that are required by paragraph(g)(1) and (2) of this AD, if you performed those actions before the effective date of this AD using IAE V2500 Special Instruction (SI) No. 350F-18, Rev. 1, dated December 17, 2018; IAE V2500 SI No. 356F-18, Rev. 1, dated January 9, 2019; IAE V2500 SI No. 372F-18, dated January 8, 2019; or IAE V2500 Special SI No. 04F- 19, dated January 14, 2019. \n\n(i) Alternative Methods of Compliance (AMOCs) \n\n\n\t(1) The Manager, ECO branch, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. In accordance with 14 CFR 39.19, send your request to your principal inspector or local Flight Standards District Office, as appropriate. If sending information directly to the manager of the certification office, send it to the attention of the person identified in paragraph (j) of this AD. You may email your request to: ANE-AD-AMOC@faa.gov. \n\t(2) Before using any approved AMOC, notify your appropriate principal inspector, or lacking a principal inspector, the manager of the local flight standards district office/certificate holding district office. \n\n(j) Related Information \n\n\n\tFor more information about this AD, contact Barbara Caufield, Aerospace Engineer, ECO Branch, FAA, 1200 District Avenue, Burlington, MA 01803; phone: 781-238-7146; fax: 781-238-7199; email: barbara.caufield@faa.gov. \n\n(k) Material Incorporated by Reference \n\n\n\t(1) The Director of the Federal Register approved the incorporation by reference (IBR) of the service information listed in this paragraph under 5 U.S.C. 552(a) and 1 CFR part 51. \n\t(2) You must use this service information as applicable to do the actions required by this AD, unless the AD specifies otherwise. \n\t(i) International Aero Engines (IAE) Alert Non-Modification Service Bulletin V2500-ENG-72-A0706, dated February 14, 2019. \n\t(ii) (Reserved) \n\t(3) For IAE service information identified in this AD, contact International Aero Engines AG, 400 Main Street, East Hartford, CT, 06118; phone: 800-565-0140; email: help24@pw.utc.com; internet: http://fleetcare.pw.utc.com. \n\t(4) You may view this service information at FAA, Engine & Propeller Standards Branch, 1200 District Avenue, Burlington, MA 01803. For information on the availability of this material at the FAA, call 781-238-7759. \n\t(5) You may view this service information that is incorporated by reference at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal-register/cfr/ibr-locations.html.