Airworthiness Directives; Honeywell International Inc. Turbofan Engines, 51829-51832 [2018-22009]

Download as PDF Federal Register / Vol. 83, No. 199 / Monday, October 15, 2018 / Rules and Regulations identified in paragraph (m)(2) of this AD. Information may be emailed to: 9-ANM-116AMOC-REQUESTS@faa.gov. 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. (2) Contacting the Manufacturer: For any requirement in this AD to obtain corrective actions from a manufacturer, the action must be accomplished using a method approved by the Manager, International Section, Transport Standards Branch, FAA; or the European Aviation Safety Agency (EASA); or EASA Design Organization Approval (DOA). If approved by the DOA, the approval must include the DOA-authorized signature. (3) Required for Compliance (RC): If any service information contains procedures or tests that are identified as RC, those procedures and tests must be done to comply with this AD; any procedures or tests that are not identified as RC are recommended. Those procedures and tests that are not identified as RC may be deviated from using accepted methods in accordance with the operator’s maintenance or inspection program without obtaining approval of an AMOC, provided the procedures and tests identified as RC can be done and the airplane can be put back in an airworthy condition. Any substitutions or changes to procedures or tests identified as RC require approval of an AMOC. khammond on DSK30JT082PROD with RULES (m) Related Information (1) Refer to Mandatory Continuing Airworthiness Information (MCAI) EASA AD 2017–0246R1, dated April 6, 2018, for related information. This MCAI may be found in the AD docket on the internet at https:// www.regulations.gov by searching for and locating Docket No. FAA–2018–0498. (2) For more information about this AD, contact Vladimir Ulyanov, Aerospace Engineer, International Section, Transport Standards Branch, FAA, 2200 South 216th St., Des Moines, WA 98198; telephone and fax 206–231–3229. (n) 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 this AD specifies otherwise. (i) Airbus Service Bulletin A330–27–3222, dated February 16, 2017. (ii) Airbus Service Bulletin A330–27–3223, dated June 6, 2017. (3) For service information identified in this AD, contact Airbus SAS, Airworthiness Office—EAL, Rond-Point Emile Dewoitine No: 2, 31700 Blagnac Cedex, France; telephone +33 5 61 93 36 96; fax +33 5 61 93 45 80; email airworthiness.A330-A340@ airbus.com; internet https://www.airbus.com. (4) You may view this service information at the FAA, Transport Standards Branch, 2200 South 216th St., Des Moines, WA. For information on the availability of this material at the FAA, call 206–231–3195. (5) You may view this service information that is incorporated by reference at the VerDate Sep<11>2014 16:29 Oct 12, 2018 Jkt 247001 National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202–741–6030, or go to: https:// www.archives.gov/federal-register/cfr/ibrlocations.html. Issued in Des Moines, Washington, on September 23, 2018. John P. Piccola, Acting Director, System Oversight Division, Aircraft Certification Service. [FR Doc. 2018–21967 Filed 10–12–18; 8:45 am] BILLING CODE 4910–13–P DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA–2017–1116; Product Identifier 2016–NE–32–AD; Amendment 39– 19459; AD 2018–21–01] RIN 2120–AA64 Airworthiness Directives; Honeywell International Inc. Turbofan Engines Federal Aviation Administration (FAA), DOT. ACTION: Final rule. AGENCY: We are superseding Airworthiness Directive (AD) 2017–20– 06 for certain Honeywell International Inc. (Honeywell) AS907–1–1A turbofan engines. AD 2017–20–06 required a onetime inspection of the second stage lowpressure turbine (LPT2) blades and, if the blades fail the inspection, the replacement of the blades with a part eligible for installation. This AD continues to require a one-time inspection of the LPT2 blades and, if the blades fail the inspection, the replacement of the blades with a part eligible for installation. This AD was prompted by the need to clarify the Applicability and Compliance sections of AD 2017–20–06. We are issuing this AD to address the unsafe condition on these products. DATES: This AD is effective November 19, 2018. The Director of the Federal Register approved the incorporation by reference of a certain publication listed in this AD as of November 9, 2017 (82 FR 46379, October 5, 2017). ADDRESSES: For service information identified in this final rule, contact Honeywell International Inc., 111 S 34th Street, Phoenix, AZ 85034–2802; phone: 800–601–3099; internet: https:// myaerospace2.honeywell.com/wps/ portal. You may view this service information at the FAA, Engine and Propeller Standards Branch, 1200 SUMMARY: PO 00000 Frm 00015 Fmt 4700 Sfmt 4700 51829 District Avenue, Burlington, MA 01803. For information on the availability of this material at the FAA, call 781–238– 7759. It is also available on the internet at https://www.regulations.gov by searching for and locating Docket No. FAA–2017–1116. Examining the AD Docket You may examine the AD docket on the internet at https:// www.regulations.gov by searching for and locating Docket No. FAA–2017– 1116; or in person at Docket Operations between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD docket contains this final rule, the regulatory evaluation, any comments received, and other information. The address for Docket Operations (phone: 800–647–5527) is U.S. Department of Transportation, Docket Operations, M–30, West Building Ground Floor, Room W12–140, 1200 New Jersey Avenue SE, Washington, DC 20590. FOR FURTHER INFORMATION CONTACT: Joseph Costa, Aerospace Engineer, Los Angeles ACO Branch, FAA, 3960 Paramount Blvd., Lakewood, CA 90712– 4137; phone: 562–627–5246; fax: 562– 627–5210; email: joseph.costa@faa.gov. SUPPLEMENTARY INFORMATION: Discussion We issued a notice of proposed rulemaking (NPRM) to amend 14 CFR part 39 to supersede AD 2017–20–06, Amendment 39–19063 (82 FR 46379, October 5, 2017), (‘‘AD 2017–20–06’’). AD 2017–20–06 applied to certain Honeywell International Inc. (Honeywell) AS907–1–1A turbofan engines. The NPRM published in the Federal Register on January 30, 2018 (83 FR 4167). The NPRM was prompted by the need to clarify the Applicability and Compliance sections of AD 2017– 20–06. The NPRM proposed to continue to require one-time inspection of the LPT2 blades and, if the blades fail the inspection, the replacement of the blades with a part eligible for installation. We are issuing this AD to address the unsafe condition on these products. Comments We gave the public the opportunity to participate in developing this AD. The following presents the comments received on the NPRM and the FAA’s response to each comment. Request To Align the Compliance Requirements With the Service Bulletin (SB) Bombardier Aerospace (Bombardier) requested that the compliance E:\FR\FM\15OCR1.SGM 15OCR1 51830 Federal Register / Vol. 83, No. 199 / Monday, October 15, 2018 / Rules and Regulations requirements of the AD be aligned with Honeywell SB AS907–72–9067, Revision 1, dated March 20, 2017. Bombardier asked that we remove the requirements for measured wear requirements for recording of wear. Bombardier noted that Honeywell SB AS907–72–9067 requires contact between the LPT2 rotor blade Z-gap. We disagree. Honeywell SB AS907– 72–9067, Revision 1, dated March 20, 2017 and the compliance section of this AD provide the same guidance for measuring and recording wear with a borescope at the LPT2 blade shroud Zgap. Reported borescope inspections of high-time engines show that blade-toblade contact at the Z-gap is difficult to measure with a borescope. The FAA and Honeywell agree that the measured wear limit of 0.005″, as defined by the Honeywell Light Maintenance Manual (LMM) AS907–1–1A, 72–00–00, is acceptable for this AD. Additionally, the FAA disagrees with the request to remove the requirement for recordings of the borescope inspection. We find that making these recordings with a clean digital image helps us to identify wear characteristics, severity, and cumulative damage of LPT2 blade assembly and to provide future borescope requirements for LPT blade maintenance. We did not change this AD. Request To Revise Costs of Compliance Bombardier Aerospace requested that we align the cost estimates in this AD with the cost estimates in Honeywell’s SB. We disagree. The slight differences in costs between the NPRM and Honeywell’s SB reflect the additional recording requirements in this AD. We did not change this AD. Revision to Applicability The intent of the NPRM was to limit the applicability of this AD to affected blades that have more than 8,000 hours since new on November 9, 2017 (the effective date of AD 2017–20–06). We therefore revised the applicability to refer to ‘‘November 9, 2017,’’ instead of ‘‘the effective date of this AD.’’ Conclusion We reviewed the relevant data, considered the comments received, and determined that air safety and the public interest require adopting this AD as proposed. Related Service Information Under 1 CFR Part 51 We reviewed Honeywell SB AS907– 72–9067, Revision 1, dated March 20, 2017. This SB describes procedures for inspecting the LPT2 blades. This service information is reasonably available because the interested parties have access to it through their normal course of business or by the means identified in the ADDRESSES section. Other Related Service Information We reviewed Honeywell SB AS907– 72–9067, Revision 0, dated December 12, 2016, which also describes procedures for inspecting the LPT2 blades. We also reviewed the Honeywell LMM AS907–1–1A, 72–00–00, Section 72–05–12, dated May 25, 2016, and Section 72–55–03, dated September 27, 2011, which provide additional guidance for performing borescope inspections. Costs of Compliance We estimate that this AD affects 40 engines installed on airplanes of U.S. registry. We estimate the following costs to comply with this AD: ESTIMATED COSTS Action Labor cost Borescope inspection ...................................... Report results of inspection ............................ 10 work-hours × $85 per hour = $850 ........... 1 work-hour × $85 per hour = $85 ................. We estimate the following costs to do any necessary replacements that would be required based on the results of the Cost per product Parts cost $0 0 Cost on U.S. operators $850 85 $34,000 3,400 inspection. We estimate that 40 engines will need this replacement. ON-CONDITION COSTS Action Labor cost Replacement of the LPT2 blade set ............................ 50 work-hours × $85 per hour = $4,250 ...................... khammond on DSK30JT082PROD with RULES Paperwork Reduction Act A federal agency may not conduct or sponsor, and a person is not required to respond to, nor shall a person be subject to a penalty for failure to comply with a collection of information subject to the requirements of the Paperwork Reduction Act unless that collection of information displays a currently valid OMB Control Number. The OMB Control Number for this information collection is 2120–0056. Public reporting for this collection of information is estimated to be approximately 1 hour per response, VerDate Sep<11>2014 16:29 Oct 12, 2018 Jkt 247001 including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, completing and reviewing the collection of information. All responses to this collection of information are mandatory. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden to: Information Collection Clearance Officer, Federal Aviation Administration, 10101 Hillwood Parkway, Fort Worth, TX 76177–1524. PO 00000 Frm 00016 Fmt 4700 Sfmt 4700 Parts cost Cost per product $50,000 $54,250 Authority for This Rulemaking Title 49 of the United States Code specifies the FAA’s authority to issue rules on aviation safety. Subtitle I, Section 106, describes the authority of the FAA Administrator. Subtitle VII, Aviation Programs, describes in more detail the scope of the Agency’s authority. We are issuing this rulemaking under the authority described in Subtitle VII, Part A, Subpart III, Section 44701, ‘‘General requirements.’’ Under that section, Congress charges the FAA with promoting safe flight of civil aircraft in E:\FR\FM\15OCR1.SGM 15OCR1 Federal Register / Vol. 83, No. 199 / Monday, October 15, 2018 / Rules and Regulations air commerce by prescribing regulations for practices, methods, and procedures the Administrator finds necessary for safety in air commerce. This regulation is within the scope of that authority because it addresses an unsafe condition that is likely to exist or develop on products identified in this rulemaking action. This AD is issued in accordance with authority delegated by the Executive Director, Aircraft Certification Service, as authorized by FAA Order 8000.51C. In accordance with that order, issuance of ADs is normally a function of the Compliance and Airworthiness Division, but during this transition period, the Executive Director has delegated the authority to issue ADs applicable to engines, propellers, and associated appliances to the Manager, Engine and Propeller Standards Branch, Policy and Innovation Division. Regulatory Findings We have determined that this AD will not have federalism implications under Executive Order 13132. This AD will not have a substantial direct effect on the States, on the relationship between the national government and the States, or on the distribution of power and responsibilities among the various levels of government. For the reasons discussed above, I certify that this AD: (1) Is not a ‘‘significant regulatory action’’ under Executive Order 12866, (2) Is not a ‘‘significant rule’’ under DOT Regulatory Policies and Procedures (44 FR 11034, February 26, 1979), (3) Will not affect intrastate aviation in Alaska, and (4) Will not have a significant economic impact, positive or negative, on a substantial number of small entities under the criteria of the Regulatory Flexibility Act. List of Subjects in 14 CFR Part 39 Air transportation, Aircraft, Aviation safety, Incorporation by reference, Safety. Adoption of the Amendment Accordingly, under the authority delegated to me by the Administrator, the FAA amends 14 CFR part 39 as follows: khammond on DSK30JT082PROD with RULES PART 39—AIRWORTHINESS DIRECTIVES 1. 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 removing Airworthiness Directive (AD) ■ VerDate Sep<11>2014 16:29 Oct 12, 2018 Jkt 247001 2017–20–06, Amendment 39–19063 (82 FR 46379, October 5, 2017), and adding the following new AD: 2018–21–01 Honeywell International Inc.: Amendment 39–19459; Docket No. FAA–2017–1116; Product Identifier 2016–NE–32–AD. (a) Effective Date This AD is effective November 19, 2018. (b) Affected ADs This AD replaces AD 2017–20–06, Amendment 39–19063 (82 FR 46379, October 5, 2017). (c) Applicability This AD applies to Honeywell International Inc. (Honeywell) AS907–1–1A turbofan engines with second stage lowpressure turbine (LPT2) rotor blades, part number 3035602–1, installed, that have more than 8,000 hours since new on November 9, 2017 (the effective date of AD 2017–20–06). (d) Subject Joint Aircraft System Component (JASC) Code 7250, Turbine Section. (e) Unsafe Condition This AD was prompted by reports of loss of power due to failure of the LPT2 blade. We are issuing this AD to prevent failure of the LPT2 blades. The unsafe condition, if not corrected, could result in failure of one or more engines and loss of the airplane. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Required Actions Within 200 hours time in service after the effective date of this AD, do the following: (1) Perform a one-time borescope inspection for wear of the Z gap contact area at the blade tip shroud for each of the 62 LPT2 rotor blades. Use the Accomplishment Instructions, Paragraph 3.B.(1), of Honeywell Service Bulletin (SB) AS907–72–9067, Revision 1, dated March 20, 2017, to do the inspection. (2) If the measured wear and/or fretting of any Z gap contact area is greater than 0.005 inch, replace the LPT2 rotor assembly with a part eligible for installation before further flight. (3) Using a borescope, make a clear digital image of the Z gap contact area at the blade tip shroud of the 62 LPT2 rotor blades, and do the following: (i) Identify the three Z gap contact areas with the greatest amount of wear and/or fretting. (ii) Record the blade position on the LPT2 rotor assembly and the measured wear of the three Z gap contact areas with the greatest amount of wear and/or fretting. (iii) Send the results to Honeywell at engine.reliability@honeywell.com within 30 days after completing these actions. (h) Credit for Previous Actions You may take credit for the actions required by paragraphs (g)(1) and (2) of this PO 00000 Frm 00017 Fmt 4700 Sfmt 4700 51831 AD if you performed these actions before the effective date of this AD using Honeywell SB AS907–72–9067, Revision 0, dated December 12, 2016. (i) Paperwork Reduction Act Burden Statement A federal agency may not conduct or sponsor, and a person is not required to respond to, nor shall a person be subject to a penalty for failure to comply with a collection of information subject to the requirements of the Paperwork Reduction Act unless that collection of information displays a currently valid OMB Control Number. The OMB Control Number for this information collection is 2120–0056. Public reporting for this collection of information is estimated to be approximately 1 hour per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, completing and reviewing the collection of information. All responses to this collection of information are mandatory. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden to: Information Collection Clearance Officer, Federal Aviation Administration, 10101 Hillwood Parkway, Fort Worth, TX 76177–1524. (j) Alternative Methods of Compliance (AMOCs) (1) The Manager, Los Angeles ACO Branch, FAA, may 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 Los Angeles ACO Branch, send it to the attention of the person identified in paragraph (k) of this AD. You may email your request to: 9-ANM-LAACOAMOC-REQUESTS@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. (k) Related Information For more information about this AD, contact Joseph Costa, Aerospace Engineer, Los Angeles ACO Branch, FAA, 3960 Paramount Blvd., 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 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. (3) The following service information was approved for IBR on November 9, 2017 (82 FR 46379, October 5, 2017). (i) Honeywell Service Bulletin AS907–72– 9067, Revision 1, dated March 20, 2017. (ii) Reserved. E:\FR\FM\15OCR1.SGM 15OCR1 51832 Federal Register / Vol. 83, No. 199 / Monday, October 15, 2018 / Rules and Regulations (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; internet: https:// myaerospace2.honeywell.com/wps/portal. (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: https:// www.archives.gov/federal-register/cfr/ibrlocations.html. Issued in Burlington, Massachusetts, on October 3, 2018. Robert J. Ganley, Manager, Engine and Propeller Standards Branch, Aircraft Certification Service. DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 71 [Docket No. FAA–2017–1200; Airspace Docket No. 17–AWP–23] RIN 2120–AA66 Establishment of Class E Airspace; Reedley, CA Federal Aviation Administration (FAA), DOT. ACTION: Final rule. AGENCY: This action establishes Class E airspace extending upward from 700 feet above the surface at Reedley Municipal Airport, Reedley, CA, to accommodate new area navigation (RNAV) procedures at the airport. This action ensures the safety and management of instrument flight rules (IFR) operations at this airport. DATES: Effective 0901 UTC, January 3, 2019. The Director of the Federal Register approves this incorporation by reference action under Title 1, Code of Federal Regulations, part 51, subject to the annual revision of FAA Order 7400.11 and publication of conforming amendments. ADDRESSES: FAA Order 7400.11C, Airspace Designations and Reporting Points, and subsequent amendments can be viewed online at https://www.faa.gov/ air_traffic/publications/. For further information, you can contact the Airspace Policy Group, Federal Aviation Administration, 800 Independence khammond on DSK30JT082PROD with RULES 16:29 Oct 12, 2018 Jkt 247001 FOR FURTHER INFORMATION CONTACT: The Rule Richard Farnsworth, Federal Aviation Administration, Operations Support Group, Western Service Center, 2200 S 216th Street, Des Moines, WA 98198– 6547; telephone (206) 231–2244. SUPPLEMENTARY INFORMATION: BILLING CODE 4910–13–P VerDate Sep<11>2014 Availability and Summary of Documents for Incorporation by Reference Authority for This Rulemaking [FR Doc. 2018–22009 Filed 10–12–18; 8:45 am] SUMMARY: Avenue SW, Washington DC 20591; telephone: (202) 267–8783. The Order is also available for inspection 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 https://www.archives.gov/ federal-register/cfr/ibr-locations.html. FAA Order 7400.11, Airspace Designations and Reporting Points, is published yearly and effective on September 15. The FAA’s authority to issue rules regarding aviation safety is found in Title 49 of the United States Code. Subtitle I, Section 106 describes the authority of the FAA Administrator. Subtitle VII, Aviation Programs, describes in more detail the scope of the agency’s authority. This rulemaking is promulgated under the authority described in Subtitle VII, Part A, Subpart I, Section 40103. Under that section, the FAA is charged with prescribing regulations to assign the use of airspace necessary to ensure the safety of aircraft and the efficient use of airspace. This regulation is within the scope of that authority as it establishes Class E airspace extending upward from 700 feet above the surface at Reedley Municipal Airport, Reedley, CA, to support new area navigation (RNAV) procedures at the airport. History The FAA published a notice of proposed rulemaking in the Federal Register (82 FR 16258; April 16, 2018) for Docket No. FAA–2017–1200 to establish Class E airspace extending upward from 700 feet above the surface at Reedley Municipal Airport, Reedley, CA. Interested parties were invited to participate in this rulemaking effort by submitting written comments on the proposal to the FAA. No comments were received. Class E airspace designations are published in paragraph 6005 of FAA Order 7400.11C, dated August 13, 2018, and effective September 15, 2018, which is incorporated by reference in 14 CFR 71.1. The Class E airspace designation listed in this document will be published subsequently in the Order. PO 00000 Frm 00018 Fmt 4700 Sfmt 4700 This document amends FAA Order 7400.11C, Airspace Designations and Reporting Points, dated August 13, 2018, and effective September 15, 2018. FAA Order 7400.11C is publicly available as listed in the ADDRESSES section of this document. FAA Order 7400.11C lists Class A, B, C, D, and E airspace areas, air traffic service routes, and reporting points. This amendment to Title 14, Code of Federal Regulations (14 CFR) part 71 establishes Class E airspace extending upward from 700 feet above the surface within 2 miles east and 4 miles west of the 168° and 348° bearings from the airport extending to 6.1 miles south and 6.5 miles north of the airport, respectively, to accommodate new RNAV standard instrument approach procedures for instrument flight rules (IFR) operations at Reedley Municipal Airport, Reedley, CA. Regulatory Notices and Analyses The FAA has determined that this regulation only involves an established body of technical regulations for which frequent and routine amendments are necessary to keep them operationally current, is non-controversial and unlikely to result in adverse or negative comments. It, therefore: (1) Is not a ‘‘significant regulatory action’’ under Executive Order 12866; (2) is not a ‘‘significant rule’’ under DOT Regulatory Policies and Procedures (44 FR 11034; February 26, 1979); and (3) does not warrant preparation of a Regulatory Evaluation as the anticipated impact is so minimal. Since this is a routine matter that only affects air traffic procedures and air navigation, it is certified that this rule, when promulgated, will not have a significant economic impact on a substantial number of small entities under the criteria of the Regulatory Flexibility Act. Environmental Review The FAA has determined that this action qualifies for categorical exclusion under the National Environmental Policy Act in accordance with FAA Order 1050.1F, ‘‘Environmental Impacts: Policies and Procedures,’’ paragraph 5–6.5a. This airspace action is not expected to cause any potentially significant environmental impacts, and no extraordinary circumstances exist that warrant preparation of an environmental assessment. E:\FR\FM\15OCR1.SGM 15OCR1

Agencies

[Federal Register Volume 83, Number 199 (Monday, October 15, 2018)]
[Rules and Regulations]
[Pages 51829-51832]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2018-22009]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2017-1116; Product Identifier 2016-NE-32-AD; Amendment 
39-19459; AD 2018-21-01]
RIN 2120-AA64


Airworthiness Directives; Honeywell International Inc. Turbofan 
Engines

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule.

-----------------------------------------------------------------------

SUMMARY: We are superseding Airworthiness Directive (AD) 2017-20-06 for 
certain Honeywell International Inc. (Honeywell) AS907-1-1A turbofan 
engines. AD 2017-20-06 required a one-time inspection of the second 
stage low-pressure turbine (LPT2) blades and, if the blades fail the 
inspection, the replacement of the blades with a part eligible for 
installation. This AD continues to require a one-time inspection of the 
LPT2 blades and, if the blades fail the inspection, the replacement of 
the blades with a part eligible for installation. This AD was prompted 
by the need to clarify the Applicability and Compliance sections of AD 
2017-20-06. We are issuing this AD to address the unsafe condition on 
these products.

DATES: This AD is effective November 19, 2018.
    The Director of the Federal Register approved the incorporation by 
reference of a certain publication listed in this AD as of November 9, 
2017 (82 FR 46379, October 5, 2017).

ADDRESSES: For service information identified in this final rule, 
contact Honeywell International Inc., 111 S 34th Street, Phoenix, AZ 
85034-2802; phone: 800-601-3099; internet: https://myaerospace2.honeywell.com/wps/portal. You may view this service 
information at the 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. It is also 
available on the internet at https://www.regulations.gov by searching 
for and locating Docket No. FAA-2017-1116.

Examining the AD Docket

    You may examine the AD docket on the internet at https://www.regulations.gov by searching for and locating Docket No. FAA-2017-
1116; or in person at Docket Operations between 9 a.m. and 5 p.m., 
Monday through Friday, except Federal holidays. The AD docket contains 
this final rule, the regulatory evaluation, any comments received, and 
other information. The address for Docket Operations (phone: 800-647-
5527) is U.S. Department of Transportation, Docket Operations, M-30, 
West Building Ground Floor, Room W12-140, 1200 New Jersey Avenue SE, 
Washington, DC 20590.

FOR FURTHER INFORMATION CONTACT: Joseph Costa, Aerospace Engineer, Los 
Angeles ACO Branch, FAA, 3960 Paramount Blvd., Lakewood, CA 90712-4137; 
phone: 562-627-5246; fax: 562-627-5210; email: [email protected].

SUPPLEMENTARY INFORMATION:

Discussion

    We issued a notice of proposed rulemaking (NPRM) to amend 14 CFR 
part 39 to supersede AD 2017-20-06, Amendment 39-19063 (82 FR 46379, 
October 5, 2017), (``AD 2017-20-06''). AD 2017-20-06 applied to certain 
Honeywell International Inc. (Honeywell) AS907-1-1A turbofan engines. 
The NPRM published in the Federal Register on January 30, 2018 (83 FR 
4167). The NPRM was prompted by the need to clarify the Applicability 
and Compliance sections of AD 2017-20-06. The NPRM proposed to continue 
to require one-time inspection of the LPT2 blades and, if the blades 
fail the inspection, the replacement of the blades with a part eligible 
for installation. We are issuing this AD to address the unsafe 
condition on these products.

Comments

    We gave the public the opportunity to participate in developing 
this AD. The following presents the comments received on the NPRM and 
the FAA's response to each comment.

Request To Align the Compliance Requirements With the Service Bulletin 
(SB)

    Bombardier Aerospace (Bombardier) requested that the compliance

[[Page 51830]]

requirements of the AD be aligned with Honeywell SB AS907-72-9067, 
Revision 1, dated March 20, 2017. Bombardier asked that we remove the 
requirements for measured wear requirements for recording of wear. 
Bombardier noted that Honeywell SB AS907-72-9067 requires contact 
between the LPT2 rotor blade Z-gap.
    We disagree. Honeywell SB AS907-72-9067, Revision 1, dated March 
20, 2017 and the compliance section of this AD provide the same 
guidance for measuring and recording wear with a borescope at the LPT2 
blade shroud Z-gap. Reported borescope inspections of high-time engines 
show that blade-to-blade contact at the Z-gap is difficult to measure 
with a borescope. The FAA and Honeywell agree that the measured wear 
limit of 0.005'', as defined by the Honeywell Light Maintenance Manual 
(LMM) AS907-1-1A, 72-00-00, is acceptable for this AD.
    Additionally, the FAA disagrees with the request to remove the 
requirement for recordings of the borescope inspection. We find that 
making these recordings with a clean digital image helps us to identify 
wear characteristics, severity, and cumulative damage of LPT2 blade 
assembly and to provide future borescope requirements for LPT blade 
maintenance. We did not change this AD.

Request To Revise Costs of Compliance

    Bombardier Aerospace requested that we align the cost estimates in 
this AD with the cost estimates in Honeywell's SB.
    We disagree. The slight differences in costs between the NPRM and 
Honeywell's SB reflect the additional recording requirements in this 
AD. We did not change this AD.

Revision to Applicability

    The intent of the NPRM was to limit the applicability of this AD to 
affected blades that have more than 8,000 hours since new on November 
9, 2017 (the effective date of AD 2017-20-06). We therefore revised the 
applicability to refer to ``November 9, 2017,'' instead of ``the 
effective date of this AD.''

Conclusion

    We reviewed the relevant data, considered the comments received, 
and determined that air safety and the public interest require adopting 
this AD as proposed.

Related Service Information Under 1 CFR Part 51

    We reviewed Honeywell SB AS907-72-9067, Revision 1, dated March 20, 
2017. This SB describes procedures for inspecting the LPT2 blades. This 
service information is reasonably available because the interested 
parties have access to it through their normal course of business or by 
the means identified in the ADDRESSES section.

Other Related Service Information

    We reviewed Honeywell SB AS907-72-9067, Revision 0, dated December 
12, 2016, which also describes procedures for inspecting the LPT2 
blades. We also reviewed the Honeywell LMM AS907-1-1A, 72-00-00, 
Section 72-05-12, dated May 25, 2016, and Section 72-55-03, dated 
September 27, 2011, which provide additional guidance for performing 
borescope inspections.

Costs of Compliance

    We estimate that this AD affects 40 engines installed on airplanes 
of U.S. registry.
    We estimate the following costs to comply with this AD:

                                                 Estimated Costs
----------------------------------------------------------------------------------------------------------------
                                                                                     Cost per      Cost on U.S.
               Action                         Labor cost            Parts cost        product        operators
----------------------------------------------------------------------------------------------------------------
Borescope inspection...............  10 work-hours x $85 per                  $0            $850         $34,000
                                      hour = $850.
Report results of inspection.......  1 work-hour x $85 per hour                0              85           3,400
                                      = $85.
----------------------------------------------------------------------------------------------------------------

    We estimate the following costs to do any necessary replacements 
that would be required based on the results of the inspection. We 
estimate that 40 engines will need this replacement.

                                               On-Condition Costs
----------------------------------------------------------------------------------------------------------------
                                                                                                     Cost per
                   Action                                 Labor cost                Parts cost        product
----------------------------------------------------------------------------------------------------------------
Replacement of the LPT2 blade set..........  50 work-hours x $85 per hour =              $50,000         $54,250
                                              $4,250.
----------------------------------------------------------------------------------------------------------------

Paperwork Reduction Act

    A federal agency may not conduct or sponsor, and a person is not 
required to respond to, nor shall a person be subject to a penalty for 
failure to comply with a collection of information subject to the 
requirements of the Paperwork Reduction Act unless that collection of 
information displays a currently valid OMB Control Number. The OMB 
Control Number for this information collection is 2120-0056. Public 
reporting for this collection of information is estimated to be 
approximately 1 hour per response, including the time for reviewing 
instructions, searching existing data sources, gathering and 
maintaining the data needed, completing and reviewing the collection of 
information. All responses to this collection of information are 
mandatory. Send comments regarding this burden estimate or any other 
aspect of this collection of information, including suggestions for 
reducing this burden to: Information Collection Clearance Officer, 
Federal Aviation Administration, 10101 Hillwood Parkway, Fort Worth, TX 
76177-1524.

Authority for This Rulemaking

    Title 49 of the United States Code specifies the FAA's authority to 
issue rules on aviation safety. Subtitle I, Section 106, describes the 
authority of the FAA Administrator. Subtitle VII, Aviation Programs, 
describes in more detail the scope of the Agency's authority.
    We are issuing this rulemaking under the authority described in 
Subtitle VII, Part A, Subpart III, Section 44701, ``General 
requirements.'' Under that section, Congress charges the FAA with 
promoting safe flight of civil aircraft in

[[Page 51831]]

air commerce by prescribing regulations for practices, methods, and 
procedures the Administrator finds necessary for safety in air 
commerce. This regulation is within the scope of that authority because 
it addresses an unsafe condition that is likely to exist or develop on 
products identified in this rulemaking action.
    This AD is issued in accordance with authority delegated by the 
Executive Director, Aircraft Certification Service, as authorized by 
FAA Order 8000.51C. In accordance with that order, issuance of ADs is 
normally a function of the Compliance and Airworthiness Division, but 
during this transition period, the Executive Director has delegated the 
authority to issue ADs applicable to engines, propellers, and 
associated appliances to the Manager, Engine and Propeller Standards 
Branch, Policy and Innovation Division.

Regulatory Findings

    We have determined that this AD will not have federalism 
implications under Executive Order 13132. This AD will not have a 
substantial direct effect on the States, on the relationship between 
the national government and the States, or on the distribution of power 
and responsibilities among the various levels of government.
    For the reasons discussed above, I certify that this AD:
    (1) Is not a ``significant regulatory action'' under Executive 
Order 12866,
    (2) Is not a ``significant rule'' under DOT Regulatory Policies and 
Procedures (44 FR 11034, February 26, 1979),
    (3) Will not affect intrastate aviation in Alaska, and
    (4) Will not have a significant economic impact, positive or 
negative, on a substantial number of small entities under the criteria 
of the Regulatory Flexibility Act.

List of Subjects in 14 CFR Part 39

    Air transportation, Aircraft, Aviation safety, Incorporation by 
reference, Safety.

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) 
2017-20-06, Amendment 39-19063 (82 FR 46379, October 5, 2017), and 
adding the following new AD:

2018-21-01 Honeywell International Inc.: Amendment 39-19459; Docket 
No. FAA-2017-1116; Product Identifier 2016-NE-32-AD.

(a) Effective Date

    This AD is effective November 19, 2018.

(b) Affected ADs

    This AD replaces AD 2017-20-06, Amendment 39-19063 (82 FR 46379, 
October 5, 2017).

(c) Applicability

    This AD applies to Honeywell International Inc. (Honeywell) 
AS907-1-1A turbofan engines with second stage low-pressure turbine 
(LPT2) rotor blades, part number 3035602-1, installed, that have 
more than 8,000 hours since new on November 9, 2017 (the effective 
date of AD 2017-20-06).

(d) Subject

    Joint Aircraft System Component (JASC) Code 7250, Turbine 
Section.

(e) Unsafe Condition

    This AD was prompted by reports of loss of power due to failure 
of the LPT2 blade. We are issuing this AD to prevent failure of the 
LPT2 blades. The unsafe condition, if not corrected, could result in 
failure of one or more engines and loss of the airplane.

(f) Compliance

    Comply with this AD within the compliance times specified, 
unless already done.

(g) Required Actions

    Within 200 hours time in service after the effective date of 
this AD, do the following:
    (1) Perform a one-time borescope inspection for wear of the Z 
gap contact area at the blade tip shroud for each of the 62 LPT2 
rotor blades. Use the Accomplishment Instructions, Paragraph 
3.B.(1), of Honeywell Service Bulletin (SB) AS907-72-9067, Revision 
1, dated March 20, 2017, to do the inspection.
    (2) If the measured wear and/or fretting of any Z gap contact 
area is greater than 0.005 inch, replace the LPT2 rotor assembly 
with a part eligible for installation before further flight.
    (3) Using a borescope, make a clear digital image of the Z gap 
contact area at the blade tip shroud of the 62 LPT2 rotor blades, 
and do the following:
    (i) Identify the three Z gap contact areas with the greatest 
amount of wear and/or fretting.
    (ii) Record the blade position on the LPT2 rotor assembly and 
the measured wear of the three Z gap contact areas with the greatest 
amount of wear and/or fretting.
    (iii) Send the results to Honeywell at 
[email protected] within 30 days after completing 
these actions.

(h) Credit for Previous Actions

    You may take credit for the actions required by paragraphs 
(g)(1) and (2) of this AD if you performed these actions before the 
effective date of this AD using Honeywell SB AS907-72-9067, Revision 
0, dated December 12, 2016.

(i) Paperwork Reduction Act Burden Statement

    A federal agency may not conduct or sponsor, and a person is not 
required to respond to, nor shall a person be subject to a penalty 
for failure to comply with a collection of information subject to 
the requirements of the Paperwork Reduction Act unless that 
collection of information displays a currently valid OMB Control 
Number. The OMB Control Number for this information collection is 
2120-0056. Public reporting for this collection of information is 
estimated to be approximately 1 hour per response, including the 
time for reviewing instructions, searching existing data sources, 
gathering and maintaining the data needed, completing and reviewing 
the collection of information. All responses to this collection of 
information are mandatory. Send comments regarding this burden 
estimate or any other aspect of this collection of information, 
including suggestions for reducing this burden to: Information 
Collection Clearance Officer, Federal Aviation Administration, 10101 
Hillwood Parkway, Fort Worth, TX 76177-1524.

(j) Alternative Methods of Compliance (AMOCs)

    (1) The Manager, Los Angeles ACO Branch, FAA, may 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 
Los Angeles ACO Branch, send it to the attention of the person 
identified in paragraph (k) of this AD. You may email your request 
to: [email protected].
    (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, 
Aerospace Engineer, Los Angeles ACO Branch, FAA, 3960 Paramount 
Blvd., Lakewood, CA 90712-4137; phone: 562-627-5246; fax: 562-627-
5210; email: [email protected].

(l) 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.
    (3) The following service information was approved for IBR on 
November 9, 2017 (82 FR 46379, October 5, 2017).
    (i) Honeywell Service Bulletin AS907-72-9067, Revision 1, dated 
March 20, 2017.
    (ii) Reserved.

[[Page 51832]]

    (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; internet: https://myaerospace2.honeywell.com/wps/portal.
    (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: https://www.archives.gov/federal-register/cfr/ibr-locations.html.

    Issued in Burlington, Massachusetts, on October 3, 2018.
Robert J. Ganley,
Manager, Engine and Propeller Standards Branch, Aircraft Certification 
Service.
[FR Doc. 2018-22009 Filed 10-12-18; 8:45 am]
 BILLING CODE 4910-13-P
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