2019-05-02: Powerplant/Engine Drains

Adoption of the Amendment Accordingly, under the authority delegated to me by the Administrator, the FAA amends part 39 of the Federal Aviation Regulations (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 removing airworthiness directive (AD) 2017-22-13, Amendment 39-19093 (82 FR 51550, November 7, 2017), and adding the following new AD: 2019-05-02 Rolls-Royce plc: Amendment 39-19584; Docket No. FAA-2019- 0056; Product Identifier 2017-NE-29-AD. (a) Effective Date This AD is effective March 27, 2019. (b) Affected ADs This AD replaces AD 2017-22-13, Amendment 39-19093 (82 FR 51550, November 7, 2017). (c) Applicability This AD applies to all Rolls-Royce plc (RR) RB211-Trent 970-84 and RB211-Trent 972-84 turbofan engines with a drains mast, part number (P/N) KH31996 or FW29847, installed. (d) Subject Joint Aircraft System Component (JASC) Code 7170, Powerplant/ Engine Drains. (e) Unsafe Condition This AD was prompted by RR in-service findings that indicated a need to include part number (P/N) FW29847 drains mast and additional RR RB211-Trent 900 turbofan engines to the affected population. We are issuing this AD to prevent failure of the drains mast. The unsafe condition, if not addressed, could result in engine fire and damage to the airplane. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Required Actions (1) For Group 1 engines, within 24 months after November 22, 2017 (the effective date of AD 2017-22-13), or within 24 months time since new, whichever occurs later, and thereafter, at intervals not to exceed 24 months since previous inspection, visually inspect the external areas of the transition duct area of the drainsmast for a crack using Accomplishment Instructions, paragraph 3.A.(1), of RR Alert Non-Modification Service Bulletin (NMSB) RB.211-71-AJ576, Revision 1, dated July 11, 2018. If a crack is found, do one of the following before further flight: (i) Remove and replace the drains mast with a part eligible for installation, or (ii) Seal the crack using the Accomplishment Instructions, paragraph 3.A.(1).(c).(ii).(2), of RR Alert NMSB RB.211-71-AJ576, Revision 1, dated July 11, 2018, and within 100 flight cycles after sealing the crack, remove and replace the drains mast with a part eligible for installation. (2) For Group 2 engines, within 24 months after the effective date of this AD, and thereafter, at intervals not to exceed 24 months since previous inspection, visually inspect the external areas of the transition duct area of the drains mast for a crack using Accomplishment Instructions, paragraph 3.A.(1), of RR Alert NMSB RB.211-71-AJ576, Revision 1, dated July 11, 2018.If a crack is found, do one of the following before further flight: (i) Remove and replace the drains mast with a part eligible for installation, or (ii) Seal the crack using the Accomplishment Instructions, paragraph 3.A.(1).(c).(ii).(2), of RR Alert NMSB RB.211-71-AJ576, Revision 1, dated July 11, 2018, and within 100 flight cycles after sealing the crack, remove and replace the drains mast with a part eligible for installation. (h) Definition (1) For the purposes of this AD, ``Group 1'' engines are those with a drains mast, P/N KH31996, installed that have installed the sub-idle ejector system introduced in RR SB RB.211-80-H632, Revision 2, dated August 11, 2015. ``Group 2'' engines are those engines with a drains mast, P/N FW29847, installed or have a drains mast, P/N KH31996, that have not installed the sub-idle ejector system introduced in RR SB RB.211-80-H632, Revision 2, dated August 11, 2015. (2) For the purposes of this AD, a part eligible for installationis a drains mast with a part number not listed in this AD or a part that has passed the inspection required by this AD. (3) For the purposes of this AD, a flight cycle is a take-off and landing. (i) Alternative Methods of Compliance (AMOCs) (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)(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 Besian Luga, Aerospace Engineer, ECO Branch, FAA, 1200 District Avenue, Burlington, MA 01803; phone: 781-238-7750; fax: 781-238-7199; email: besian.luga@faa.gov. (2) Refer to MCAI European Union Aviation Safety Agency (EASA) AD 2018-0185, dated August 29, 2018, 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-2019-0056. [[Page 8802]] (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 Alert Non-Modification Service Bulletin No. RB.211-71-AJ576, Revision 1, dated July 11, 2018. (ii) [Reserved] (3) ForRolls-Royce plc service information identified in this AD, contact Rolls-Royce plc, Corporate Communications, P.O. Box 31, Derby, DE24 8BJ, United Kingdom; phone: +44 (0)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 & Propeller Standards Branch, 1200 District Avenue, Burlington, MA 01803. For information on the availability of this material at the FAA, call 781-238-7759. (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.