2017-19-19: Turbine Engine Compressor Section

Adoption of the Amendment Accordingly, under the authority delegated to me by the Administrator, the FAA amends 14 CFR part 39 as follows: PART 39--AIRWORTHINESS DIRECTIVES 0 1. The authority citation for part 39 continues to read as follows: Authority: 49 U.S.C. 106(g), 40113, 44701. Sec. 39.13 [Amended] 0 2. The FAA amends Sec. 39.13 by adding the following new airworthiness directive (AD): 2017-19-19 Rolls-Royce plc: Amendment 39-19049; Docket No. FAA-2017- 0767; Product Identifier 2017-NE-26-AD. (a) Effective Date This AD is effective October 11, 2017. (b) Affected ADs None. (c) Applicability This AD applies to Rolls-Royce plc (RR) Trent XWB-75, Trent XWB- 79, Trent XWB-79B, and Trent XWB-84 turbofan engines with an engine serial number (ESN) listed in Appendix 1 of RR Alert Non Modification Service Bulletin (NMSB) Trent XWB 72-AJ443, Revision 1, dated December 21, 2016. (d) Subject Joint AircraftSystem Component (JASC) Code 7230, Turbine Engine Compressor Section. (e) Reason This AD was prompted by low-pressure compressor (LPC) case support inboard pins that may have reduced integrity due to incorrect heat treatment. We are issuing this AD to prevent failure of the LPC case support inboard pins, loss of core to fan case concentricity, LPC blade rubs and possible blade release, or an engine under cowl fire. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Required Actions (1) Before exceeding 1,500 flight cycles since new, or within 4 months after the effective date of this AD, whichever occurs later, inspect each LPC case support inboard pin to identify the serial number (S/N) using Section 3, the Accomplishment Instructions, of RR Alert NMSB Trent XWB 72-AJ443, Revision 1, dated December 21, 2016. (i) If a pin having a S/N that begins with 235338 is installed, replace the LPC case support inboard pin, and outboard hollow dowels, nuts and bolts using Section 3, the Accomplishment Instructions of RR Alert NMSB Trent XWB 72-AJ443, Revision 1, dated December 21, 2016. (ii) If a pin having a S/N that begins with 237746 or 204520 is installed, replace the LPC case support outboard hollow dowel, nuts and bolts, using Section 3, the Accomplishment Instructions of RR Alert NMSB Trent XWB 72-AJ443, Revision 1, dated December 21, 2016. (h) Installation Prohibition After the effective date of this AD, do not install an engine affected by this AD, unless it has been inspected in accordance with the Accomplishment Instructions of RR Alert NMSB Trent XWB 72-AJ443, Revision 1, dated December 21, 2016. (i) Alternative Methods of Compliance (AMOCs) (1) The Manager, FAA, ECO Branch, Compliance and Airworthiness Division, 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 ECO Branch, send it to the attention of the person identified in paragraph (j)(1) of this AD. You may email your request to: ANE-AD-AMOC@faa.gov. (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. (j) Related Information (1) For more information about this AD, contact Robert Green, Aerospace Engineer, FAA, ECO Branch, Compliance and Airworthiness Division, 1200 District Avenue, Burlington, MA 01803; phone: 781- 238-7754; fax: 781-238-7199; email: Robert.Green@faa.gov. (2) Refer to MCAI European Aviation Safety Agency (EASA) AD 2017-0242, dated December 7, 2016, for more information. You may examine the MCAI in the AD docket on the Internet at http://www.regulations.gov by searching for and locating it in Docket No. FAA-2017-0767. (k) Material Incorporated by Reference (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. (2) You must use this service information as applicable to do the actions required by this AD, unless the AD specifies otherwise. (i) Rolls-Royce plc (RR) Alert Non-Modification Service Bulletin Trent XWB 72-AJ443, Revision 1, dated December 21, 2016. (ii) Reserved. (3) For RR service information identified in this AD, contact Rolls-Royce plc, Corporate Communications, P.O. Box 31, Derby, England, DE24 8BJ; phone: 011-44-1332-242424; fax: 011-44-1332- 249936; email: http://www.rolls-royce.com/contact/civil_team.jsp; Internet: https://customers.rolls-royce.com/public/rollsroycecare. (4) You may view this service information at FAA, Engine and Propeller Standards Branch, Policy andInnovation Division, 1200 District Avenue, Burlington, MA 01803. For information on the availability of this material at the FAA, call 781-238-7125. (5) You may view this service information 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.