2019-05-07: 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 removing Airworthiness Directive (AD) 2017-20-01, Amendment 39-19058 (82 FR 45173, September 28, 2017), and adding the following new AD: 2019-05-07 Honeywell International Inc. (Type Certificate previously held by AlliedSignal Inc.): Amendment 39-19589; Docket No. FAA-2018- 0719; Product Identifier 2016-NE-24-AD. (a) Effective Date This AD is effective April 25, 2019. (b) Affected ADs This AD replaces AD 2017-20-01, Amendment 39-19058 (82 FR 45173, September 28, 2017). (c) Applicability This AD applies to all Honeywell International Inc. (Honeywell) TFE731-20R, -20AR, -20BR, andTFE731-40, -40AR, -40BR, and -40R turbofan engines with a fan disk part number (P/N) 3060287-2 and with a serial number (S/N) listed in Table 9 of Honeywell Service Bulletin (SB) TFE731-72-5256, Revision 0, dated October 7, 2016, that do not have ``T43374'' marked adjacent to the fan disk P/N or S/N. (d) Subject Joint Aircraft System Component (JASC) Code 7230, Turbine Engine Compressor Section. (e) Unsafe Condition This AD was prompted by a report of two fan disks found with surface rollovers in the dovetail slot area. We are issuing this AD to prevent uncontained failure of the fan disks. The unsafe condition, if not addressed, could result in uncontained fan disk release, damage to the engine, and damage to the airplane. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Required Actions Remove the affected fan disk using the following criteria: (1) Remove fan disks with 9,000 cycles since new (CSN) or more as of the effective date of this AD, within 100 cycles-in-service (CIS), or at the next engine shop visit, or at next access, whichever occurs first, after the effective date of this AD. (2) Remove fan disks with between 8,000 and 8,999 CSN, inclusive, as of the effective date of this AD, within 9,100 CSN or within 1,000 CIS, or at the next engine shop visit, or at next access, whichever occurs first, after the effective date of this AD. (3) Remove fan disks with fewer than 8,000 CSN as of the effective date of this AD, before exceeding 9,000 CSN, or at the next engine shop visit, or at next access, whichever occurs first, after the effective date of this AD. (4) Replace any removed fan disk with a part eligible for installation. (h) Installation Prohibition Do not install an affected fan disk, P/N 3060287-2, unless ``T43374'' is marked adjacent to the fan disk P/N or S/N onto any engine identified in the Applicability paragraph of this AD. (i) Definitions (1) For the purposes of this AD, an ``engine shop visit'' is defined as the removal of the tie-shaft nut from the engine. (2) For the purposes of this AD, ``access'' is defined as the removal of the fan rotor assembly from the engine. (3) For the purposes of this AD, a ``part eligible for installation'' is: (i) A fan disk not listed in the Accomplishment Instructions, Table 9, in Honeywell SB TFE731-72-5256, Revision 0, dated October 7, 2016; or (ii) a fan disk listed in the Accomplishment Instructions, Table 9, in Honeywell SB TFE731-72-5256, Revision 0, dated October 7, 2016, that has been inspected, reworked, and marked with ``T43374'' adjacent to the fan disk P/N or S/N. Guidance on returning affected parts to Honeywell for inspection and rework is found in the Accomplishment Instructions, paragraph 3.D., of Honeywell SB TFE731- 72-5256, Revision 0, dated October 7, 2016. (j) Alternative Methods of Compliance (AMOCs) (1) The Manager, LosAngeles ACO 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 (k) of this AD. (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. (k) Related Information For more information about this AD, contact Joseph Costa, Los Angeles ACO Branch, FAA, 3960 Paramount Boulevard, Lakewood, CA, 90712-4137; phone: 562-627-5246; fax: 562-627-5210; email: joseph.costa@faa.gov. (l) Material Incorporated by Reference (1) The Director of the Federal Register approved the incorporation byreference (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. (3) The following service information was approved for IBR on November 2, 2017. (i) Honeywell Service Bulletin TFE731-72-5256, Revision 0, dated October 7, 2016. (ii) [Reserved]. (4) For Honeywell service information identified in this AD, contact Honeywell International Inc., 111 S 34th Street, Phoenix, AZ 85034-2802; phone: 800-601-3099 (Toll-Free U.S.A./Canada); 602-365- 3099 (International Direct); website: www.myaerospace.com; email: engine.reliability@honeywell.com. (5) You may view this service information at FAA, Engine and Propeller Standards Branch, 1200 District Avenue, Burlington, MA 01803. For information on the availability of this material at the FAA, call 781-238-7759. (6) 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.