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Rules and Regulations Federal Register Vol. 83, No. 120

Thursday, June 21, 2018

This section of the FEDERAL REGISTER information on the availability of this Comments contains regulatory documents having general material at the FAA, call 781–238–7759. applicability and legal effect, most of which We gave the public the opportunity to It is also available on the internet at participate in developing this final rule. are keyed to and codified in the Code of http://www.regulations.gov by searching Federal Regulations, which is published under The following presents the comments 50 titles pursuant to 44 U.S.C. 1510. for and locating Docket No. FAA–2016– received on the NPRM and the FAA’s 9450. response to each comment. The Code of Federal Regulations is sold by the Superintendent of Documents. Examining the AD Docket Request To Revise Compliance Time for Resampling You may examine the AD docket on The National Agricultural Aviation DEPARTMENT OF TRANSPORTATION the internet at http:// www.regulations.gov by searching for Association (NAAA) commented that Federal Aviation Administration and locating Docket No. FAA–2016– additional compliance time may be 9450; or in person at Docket Operations required for oil filter analysis 14 CFR Part 39 between 9 a.m. and 5 p.m., Monday resampling beyond the 25 hours time- in-service proposed by the NPRM. The [Docket No. FAA–2016–9450; Product through Friday, except Federal holidays. The AD docket contains this final rule, NAAA noted that the engine may re- Identifier 2016–NE–25–AD; Amendment 39– enter service after oil sampling. the regulatory evaluation, any 19317; AD 2018–13–05] Therefore, the 25 hours time-in-service comments received, and other RIN 2120–AA64 may be exceeded prior to the operators information. The address for the Docket receiving notification from the Airworthiness Directives; Honeywell Operations (phone: 800–647–5527) is laboratory that performed the oil filter International Inc. Turboprop and Docket Operations, U.S. Department of analysis. Turboshaft Engines Transportation, Docket Operations, We agree that the proposed M–30, West Building Ground Floor, compliance time may have resulted in AGENCY: Federal Aviation Room W12–140, 1200 New Jersey operators exceeding the 25 hours time- Administration (FAA), DOT. Avenue SE, Washington, DC 20590. in-service before receiving the results of ACTION: Final rule. FOR FURTHER INFORMATION CONTACT: the oil filter analysis. We, therefore, SUMMARY: We are adopting a new Joseph Costa, Aerospace Engineer, Los revised the requirement time for airworthiness directive (AD) for certain Angeles ACO Branch, FAA, 3960 resampling in this AD to 25 hours time Honeywell International Inc. Paramount Blvd., Lakewood, CA 90712– in service after receiving notification (Honeywell) TPE331 turboprop and 4137; phone: 562–627–5246; fax: 562– from the accredited laboratory TSE331 turboshaft engines. This AD 627–5210; email: [email protected]. performing the oil filter analysis. We was prompted by recent reports of determined that allowing this additional failures of the direct drive fuel control SUPPLEMENTARY INFORMATION: time in service will improve the quality of the sample. We also clarified that if gears and bearings in the hydraulic Discussion torque sensor gear assembly, part an inspection or resample is required, number (P/N) 3101726–3. This AD We issued a notice of proposed then the inspection must occur within requires initial and repetitive engine oil rulemaking (NPRM) to amend 14 CFR 5 days after receiving notification from filter sampling and analysis of the part 39 by adding an AD that would the laboratory that performed the oil affected engines and inspections of apply to certain Honeywell filter analysis. certain hydraulic torque sensor gear International Inc. TPE331 turboprop and Request To Revise Compliance Time for assemblies. We are issuing this AD to TSE331 turboshaft engines. The NPRM Initial Sample address the unsafe condition on these published in the Federal Register on Honeywell requested that we increase products. September 13, 2017 (82 FR 42957). The the compliance time for obtaining an oil DATES: This AD is effective July 26, NPRM was prompted by recent reports filter sample from 150 to 200 hours. 2018. of failures of the direct drive fuel Honeywell commented that Honeywell The Director of the Federal Register control gears and bearings in the Service Bulletin (SB) TPE331–72–0180 approved the incorporation by reference hydraulic torque sensor gear assembly, indicates a 200-hours compliance time of a certain publication listed in this AD P/N 3101726–3. The NPRM proposed to for TPE331–10 operators with at least as of July 26, 2018. require initial and repetitive engine oil 800 operating hours per year. ADDRESSES: For service information filter sampling and analysis of the Honeywell noted that this compliance identified in this final rule, contact affected engines. The NPRM also time coincides with scheduled Honeywell International Inc., 111 S 34th proposed to require inspection of the maintenance intervals for operators. Street, Phoenix, AZ 85034–2802; phone: hydraulic torque sensor gear assemblies We disagree. We are attempting to 800–601–3099; internet: https:// that do not meet oil filter inspection detect impending torque sensor failures myaerospace.honeywell.com/wps/ requirements and improved component using set response times and reduced oil portal. You may view this service overhaul procedures that would remove filter sampling and analysis intervals. information at the FAA, Engine and from service, by attrition, certain P/N We find, therefore, that the 150-hour Propeller Standards Branch, Policy and hydraulic torque sensor gear assemblies. compliance time meets the safety Innovation Division, 1200 District We are issuing this AD to address the objectives of this AD. Further, we did Avenue, Burlington, MA. For unsafe condition on these products. not receive any comments from part 121

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or part 135 operators indicating a Request To Update Service Information SIL describes procedures for conducting concern with the inspection interval of Honeywell requested that we revise the spectrometric oil and filter analysis 150 hours. We did not change this AD. our reference to the service bulletin to program to sample and analyze metal refer to the latest revision. particles in the engine lubricating Request To Revise Number of system. This service information is Resampling Tests We agree. We updated the reference in the Other Related Service Information reasonably available because the NAAA and Copperstate Turbine paragraph in this AD to Revision 38 of interested parties have access to it through their normal course of business Engine Company commented that a Honeywell SB TPE331–72–0180. or by the means identified in the single resampling allowance that may Request To Clarify Differences ADDRESSES section. lead to a gearbox inspection is too Paragraph stringent. They indicated that oil filter Other Related Service Information Honeywell requested that we clarify resampling experience has shown that We reviewed the improved multiple resampling tests may be the ‘‘Differences Between This Proposed AD and the Service Information’’ procedures and limitations in the necessary. NAAA commented that the section in the NPRM. Honeywell Torque Sensor Gear source of the contamination may not We disagree. The referenced Assembly Overhaul Manual with always be the material caused by the paragraph does not exist in the final rule Illustrated Parts List, 72–00–17, torque sensor failure. In this situation, and the compliance requirements were Revision 10, dated October 31, 2013, for NAAA indicated that another clearly defined in the NPRM. We did the TPE331 and TSE331 torque sensor resampling, without the inspection, may not change this AD. gear assemblies. We also reviewed be warranted. NAAA commented that Honeywell’s TPE331 Line Maintenance the sample analysis should guide Conclusion Training Manual which provides maintenance personnel in the proper We reviewed the relevant data, guidance for obtaining oil filter samples. direction without having to tear down considered the comments received, and In addition, we reviewed Honeywell an engine unnecessarily. determined that air safety and the SBs TPE331–72–0402, Revision 6, dated We partially agree. We agree that public interest require adopting this November 26, 1997; TPE331–72–0403, some wear elements, such as silver and final rule with the changes described Revision 5, dated January 20, 1989; aluminum, found during the initial oil previously and minor editorial changes. TPE331–72–0404, Revision 8, dated September 13, 2016; TPE331–72–0823, filter analysis could permit more than We have determined that these minor Revision 3, dated September 13, 1996; one resampling before a required changes: • TSE331–72–5003, Revision 3, dated gearbox inspection. We also agree Are consistent with the intent that was proposed in the NPRM for January 20, 1989; and TPE331–72–0180, because these elements or alloys may correcting the unsafe condition; and Revision 38, dated August 15, 2017. The not cause accelerated wear and possible • Do not add any additional burden SBs address the inspection intervals for failure of the torque sensor assembly. upon the public than was already the oil and filter analysis for the affected We disagree with changing the AD proposed in the NPRM. TPE331 and TSE331 engines. because the commenters have not We also determined that these Costs of Compliance produced evidence that the presence of changes will not increase the economic certain elements may not contribute to burden on any operator or increase the We estimate that this AD affects 3,831 the failure of the torque sensor. We will scope of this final rule. engines installed on airplanes of U.S. consider AMOC requests to allow registry. We estimate the following costs additional oil filter resamples before Related Service Information Under to comply with this AD: requiring a gearbox inspection provided 1 CFR Part 51 We estimate that 3,831 engines will we receive acceptable technical We reviewed Honeywell Service require a records review to determine if justification. We did not change this Information Letter (SIL) P331–97, they have an affected hydraulic torque AD. Revision 11, dated July 23, 2008. The sensor gear assembly installed.

ESTIMATED COSTS

Cost per Cost on U.S. Action Labor cost Parts cost product operators

Records review ...... 1 work-hour × $85 per hour = $85 ...... $0 $85 $325,635

We estimate that 2,542 engines be required to perform oil filter operating under Parts 121 or 135 and sampling and analysis. 544 engines operating under Part 91 will

ESTIMATED COSTS

Cost per Cost on U.S. Action Labor cost Parts cost product operators

Oil filter sampling and analysis: Part 91 op- 4 work-hours × $85 per hour = $340 ...... $844 $1,184 $644,096 per year. erators. Oil filter sampling and analysis: Part 121 1 work-hour × $85 per hour = $85 ...... 211 296 $752,432 per year. and 135 operators.

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We estimate that 242 engines will gear assembly be overhauled during the require that the hydraulic torque sensor first year of inspection.

ESTIMATED OVERHAUL COSTS

Cost per Action Labor cost Parts cost product

Replace or overhaul hydraulic torque sensor gear assembly ...... 10 work-hours × $85 per hour = $850 $10,000 $10,850

We estimate that 217 engines will unacceptable oil filter analysis during require hydraulic torque sensor gear the first year of inspection. assembly inspection after an

ON-CONDITION COSTS

Cost per Action Labor cost Parts cost product

Inspect and reassemble hydraulic torque sensor gear assembly ...... 5 work-hours × $85 per hour = $425 $3,000 $3,425

Paperwork Reduction Act is within the scope of that authority List of Subjects in 14 CFR Part 39 because it addresses an unsafe condition A federal agency may not conduct or Air transportation, Aircraft, Aviation sponsor, and a person is not required to that is likely to exist or develop on products identified in this rulemaking safety, Incorporation by reference, respond to, nor shall a person be subject Safety. to penalty for failure to comply with a action. collection of information subject to the This AD is issued in accordance with Adoption of the Amendment requirements of the Paperwork authority delegated by the Executive Reduction Act unless that collection of Director, Aircraft Certification Service, Accordingly, under the authority information displays a current valid as authorized by FAA Order 8000.51C. delegated to me by the Administrator, OMB control number. The control In accordance with that order, issuance the FAA amends 14 CFR part 39 as number for the collection of information of ADs is normally a function of the follows: required by this AD is 2120–0056. The Compliance and Airworthiness PART 39—AIRWORTHINESS paperwork cost associated with this AD Division, but during this transition DIRECTIVES has been detailed in the Costs of period, the Executive Director has Compliance section of this document delegated the authority to issue ADs ■ 1. The authority citation for part 39 and includes time for reviewing applicable to engines, propellers, and continues to read as follows: instructions, as well as completing and associated appliances to the Manager, reviewing the collection of information. Engine and Propeller Standards Branch, Authority: 49 U.S.C. 106(g), 40113, 44701. Policy and Innovation Division. Therefore, all reporting associated with § 39.13 [Amended] this AD is mandatory. Comments Regulatory Findings concerning the accuracy of this burden ■ 2. The FAA amends § 39.13 by adding and suggestions for reducing the burden This AD will not have federalism the following new airworthiness should be directed to the FAA at 800 implications under Executive Order directive (AD): Independence Ave. SW, Washington, 13132. This AD will not have a 2018–13–05 Honeywell International Inc. DC 20591. ATTN: Information substantial direct effect on the States, on (Type Certificate previously held by Collection Clearance Officer, AES–200. the relationship between the national AlliedSignal, Garrett Engine Division; Authority for This Rulemaking government and the States, or on the Garrett Turbine Engine Company; and distribution of power and AiResearch Manufacturing Company of Title 49 of the United States Code responsibilities among the various Arizona): Amendment 39–19317; Docket specifies the FAA’s authority to issue levels of government. No. FAA–2016–9450; Product Identifier rules on aviation safety. Subtitle I, 2016–NE–25–AD. For the reasons discussed above, I section 106, describes the authority of (a) Effective Date the FAA Administrator. Subtitle VII: certify that this AD: Aviation Programs, describes in more (1) Is not a ‘‘significant regulatory This AD is effective July 26, 2018. detail the scope of the Agency’s action’’ under Executive Order 12866, (b) Affected ADs authority. (2) Is not a ‘‘significant rule’’ under None. We are issuing this rulemaking under DOT Regulatory Policies and Procedures (c) Applicability the authority described in Subtitle VII, (44 FR 11034, February 26, 1979), Part A, Subpart III, Section 44701: This AD applies to Honeywell ‘‘General requirements.’’ Under that (3) Will not affect intrastate aviation International Inc. (Honeywell) TPE331–1, –2, section, Congress charges the FAA with in Alaska, and –2UA, –3U, –3UW, –5, –5B, –6, –6A, –8, –10, –10AV, –10N, –10P, –10R, –10T, –10U, promoting safe flight of civil aircraft in (4) Will not have a significant –10UA, –10UF, –10UR model turboprop and air commerce by prescribing regulations economic impact, positive or negative, TSE331–3U turboshaft engines with for practices, methods, and procedures on a substantial number of small entities hydraulic torque sensor gear assemblies, part the Administrator finds necessary for under the criteria of the Regulatory numbers (P/Ns) 3101726–1, –2, or –3, safety in air commerce. This regulation Flexibility Act. installed.

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(d) Subject (B) Reserved. (2) You must use this service information Joint Aircraft System Component (JASC) (iii) Inspect the hydraulic torque sensor as applicable to do the actions required by Code 7210, Turbine Engine Reduction Gear. gear assembly using the following steps: this AD, unless the AD specifies otherwise. (A) Remove bearings, P/Ns 358893–1, (i) Honeywell Service Information Letter (e) Unsafe Condition 3103035–1, 3103585–1 or 70100168–1, from P331–97, Revision 11, dated July 23, 2008. This AD was prompted by recent reports of the assembled spur gear and fuel control (ii) Reserved. failures of the direct drive fuel control gears drive gearshaft and inspect or replace. (3) For Honeywell service information and bearings in the hydraulic torque sensor Guidance for performing the inspection can identified in this AD, contact Honeywell gear assembly, P/N 3101726–3. We are be found in Section 70–00–00, Standard International Inc., 111 S 34th Street, Phoenix, issuing this AD to prevent failure of the Practices of the applicable TPE331 engine AZ 85034–2802; phone: 800–601–3099; hydraulic torque sensor gear assembly. The maintenance manual. For example, see internet: https:// unsafe condition, if not addressed, could paragraph 5., ‘‘Bearing Inspection,’’ on pages myaerospace.honeywell.com/wps/portal. result in failure of the hydraulic torque 11–12 of Honeywell Maintenance Manual (4) You may view this service information sensor gear assembly, in-flight shutdown, 70–00–00, TPE331–10 (Report No. 72–00– at FAA, Engine and Propeller Standards and reduced control of the airplane. 27), dated February 29, 2000. Branch, Policy and Innovation Division, 1200 District Avenue, Burlington, MA. For (f) Compliance (B) Visually inspect the gearshaft teeth for scoring, pitting, chipping, metal deposits or information on the availability of this Comply with this AD within the corner breakage. Visual defects on gear teeth material at the FAA, call 781–238–7759. compliance times specified, unless already are acceptable if defects cannot be felt using (5) You may view this service information done. a 0.031 inch diameter stylus. No corner that is incorporated by reference at the National Archives and Records (g) Oil Filter Sampling and Analysis breakage is allowed. Administration (NARA). For information on (5) Thereafter, repeat the steps identified in (1) Obtain an initial engine oil filter sample the availability of this material at NARA, call paragraphs (g)(1) through (4) of this AD every of the affected engines within 150 hours time 202–741–6030, or go to: http:// additional 150 hours time in service after last in service after the effective date of this AD. www.archives.gov/federal-register/cfr/ibr- oil filter sampling. You can find guidance for obtaining oil filter locations.html. samples in Honeywell’s engine training (6) For any hydraulic torque sensor gear manuals; for example, see the TPE331 Line assembly that fails the inspection required by Issued in Burlington, Massachusetts, on Maintenance Training Manual. paragraph (g) of this AD, remove the affected June 14, 2018. (2) Submit the engine oil filter sample hydraulic torque sensor gear assembly and, Robert J. Ganley, within 3 days of sampling to an ISO/IEC before further flight, replace with a part Manager, Engine and Propeller Standards 17025-accredited laboratory capable of eligible for installation. Branch, Aircraft Certification Service. performing analysis using ASTM D5185, (h) Hydraulic Torque Sensor Gear Assembly [FR Doc. 2018–13266 Filed 6–20–18; 8:45 am] Standard Test Method for Multielement Overhaul Determination of Used and Unused BILLING CODE 4910–13–P Lubricating Oils and Base Oils by Inductively After the effective date of this AD, do not Coupled Plasma Atomic Emission use the Honeywell Torque Sensor Gear Spectrometry (ICP–AES). You can find a list Assembly Overhaul Manual with Illustrated DEPARTMENT OF HOMELAND of Honeywell-authorized laboratories capable Parts List, 72–00–17, Revision No. 9, dated, SECURITY of performing this analysis in paragraph July 20, 1992, or earlier versions, to overhaul 1.D.(10) of Honeywell Service Information TPE331 or TSE331 hydraulic torque sensor Coast Guard Letter (SIL) P331–97, Revision 11, dated July gear assemblies, P/Ns 3101726–1, –2, or –3. 23, 2008. (i) Alternative Methods of Compliance 33 CFR Part 165 (3) Perform an oil filter analysis for wear (AMOCs) metals and evaluate filter contents using [Docket Number USCG–2018–0333] paragraphs 1.D.(4) and (5) of Honeywell SIL (1) The Manager, Los Angeles ACO Branch, RIN 165–AA00 P331–97, Revision 11, dated July 23, 2008. FAA has the authority to approve AMOCs for this AD, if requested using the procedures Guidelines for interpreting analysis results Safety Zones; Marine Events Held in can be found in paragraph (8) of Honeywell found in 14 CFR 39.19. In accordance with SIL P331–97. 14 CFR 39.19, send your request to your the Captain of the Port Long Island (4) For those engines where the oil filter principal inspector or local Flight Standards Sound Zone analysis indicates the need for an inspection District Office, as appropriate. If sending AGENCY: Coast Guard, DHS. or resample, as specified in Figures 1, 2 or information directly to the manager of the 3 of the Honeywell SIL P331–97, Revision 11, certification office, send it to the attention of ACTION: Temporary final rule. dated July 23, 2008, accomplish the the person identified in paragraph (j) of this following: AD. SUMMARY: The Coast Guard is (i) If Figures 1, 2, or 3 indicate an (2) Before using any approved AMOC, establishing nine temporary safety zones inspection is required, within 5 days after notify your appropriate principal inspector, for fireworks displays within the receiving notification from the laboratory that or lacking a principal inspector, the manager Captain of the Port (COTP) Long Island performed the analysis, inspect the torque of the local flight standards district office/ Sound (LIS) Zone. This temporary final sensor gear assembly using paragraph certificate holding district office. rule is necessary to provide for the (g)(4)(iii) of this AD. (j) Related Information safety of life on navigable waters during (ii) If Figures 1, 2, or 3 indicate a resample these events. Entry into, transit through, is required, perform a repeat oil filter sample For more information about this AD, and analysis, within 25 hours time in service contact Joseph Costa, Aerospace Engineer, mooring or anchoring within these after receiving notification from the Los Angeles ACO Branch, FAA, 3960 limited access areas is prohibited unless laboratory that performs the analysis to Paramount Blvd., Lakewood, CA 90712– authorized by the COTP LIS. evaluate for wear metals in accordance with 4137; phone: 562–627–5246; fax: 562–627– DATES: This rule is effective without paragraphs (g)(1), (2) and (3) of this AD. 5210; email: [email protected]. actual notice from June 21, 2018 (A) If the resample indicates a second (k) Material Incorporated by Reference through July 15, 2018. For the purposes resample or inspection is required, within 5 of enforcement, actual notice will be (1) The Director of the Federal Register days after receiving notification from the used from May 27, 2018, through June laboratory that performed the analysis, approved the incorporation by reference inspect the hydraulic torque sensor gear (IBR) of the service information listed in this 21, 2018. assembly using paragraph (g)(4)(iii) of this paragraph under 5 U.S.C. 552(a) and 1 CFR ADDRESSES: To view documents AD. part 51. mentioned in this preamble as being

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