83 FR 55614 - Airworthiness Directives; International Aero Engines (IAE) Turbofan Engines
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration Federal Register Volume 83, Issue 216 (November 7, 2018)
Federal Aviation Administration
Federal Register Volume 83, Issue 216 (November 7, 2018)
| Page Range | 55614-55617 | |
| FR Document | 2018-24239 |
[Federal Register Volume 83, Number 216 (Wednesday, November 7, 2018)] [Rules and Regulations] [Pages 55614-55617] From the Federal Register Online [www.thefederalregister.org] [FR Doc No: 2018-24239] ----------------------------------------------------------------------- DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA-2018-0404; Product Identifier 2018-NE-15-AD; Amendment 39-19468; AD 2018-21-10] RIN 2120-AA64 Airworthiness Directives; International Aero Engines (IAE) Turbofan Engines AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Final rule. ----------------------------------------------------------------------- SUMMARY: We are adopting a new airworthiness directive (AD) for all International Aero Engines (IAE) PW1133G-JM, PW1133GA-JM, PW1130G-JM, PW1127G-JM, PW1127GA-JM, PW1127G1-JM, PW1124G-JM, PW1124G1-JM, and PW1122G-JM turbofan engines. This AD was prompted by reports of in- flight engine shutdowns and aborted take-offs as the result of certain parts affecting the durability of the rear high-pressure compressor (HPC) rotor hub knife edge seal. This AD requires replacing the diffuser case air seal assembly, the high-pressure turbine (HPT) 2nd- stage vane assembly, and the HPT 2nd-stage borescope stator vane assembly with parts eligible for installation. We are issuing this AD to address the unsafe condition on these products. DATES: This AD is effective December 12, 2018. ADDRESSES: For service information identified in this final rule, contact International Aero Engines, 400 Main Street, East Hartford, CT, 06118; phone: 800-565-0140; email: [email protected]; internet: http://fleetcare.pw.utc.com. 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 http://www.regulations.gov by searching for and locating Docket No. FAA-2018-0404. Examining the AD Docket You may examine the AD docket on the internet at http://www.regulations.gov by searching for and locating Docket No. FAA-2018- 0404; 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 [[Page 55615]] 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: Kevin M. Clark, Aerospace Engineer, ECO Branch, FAA, 1200 District Avenue, Burlington, MA 01803; phone: 781-238-7088; fax: 781-238-7199; email: [email protected]. SUPPLEMENTARY INFORMATION: Discussion We issued a notice of proposed rulemaking (NPRM) to amend 14 CFR part 39 by adding an AD that would apply to all IAE PW1133G-JM, PW1133GA-JM, PW1130G-JM, PW1127G-JM, PW1127GA-JM, PW1127G1-JM, PW1124G- JM, PW1124G1-JM, and PW1122G-JM turbofan engines. The NPRM published in the Federal Register on June 11, 2018 (83 FR 26887). The NPRM was prompted by reports of in-flight engine shutdowns and aborted take-offs as the result of certain parts affecting the durability of the rear HPC rotor hub knife edge seal. The NPRM proposed to require replacing the diffuser case air seal assembly, the HPT 2nd-stage vane assembly, and the HPT 2nd-stage borescope stator vane assembly with parts 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 final rule. The following presents the comments received on the NPRM and the FAA's response to each comment. Request To Change Compliance Time Air Line Pilots Association, International (ALPA) requested that paragraph (g) of this AD be changed to indicate by which cycle, hour, or date the ``engine shop visit'' and associated actions must be accomplished. ALPA stated that ``at the next engine shop visit'' is not prescriptive enough to ensure that affected parts are identified and removed from service within a timely manner. We disagree. We determined that removal of the affected parts at the next engine shop visit resolves the unsafe condition within our risk guidelines. Therefore, we did not change this AD. Request To Clarify Applicability ALPA requested that we clarify whether engines repaired per paragraph (g) of this AD would be considered ``affected engines'' as described in AD 2018-04-01 (83 FR 6791, February 15, 2018), and what operational restrictions, if any, would exist on the engines repaired. We partially agree. We agree that engines repaired per paragraph (g) of this AD are not ``affected engines'' as described in AD 2018-04- 01. We disagree that adding clarification in paragraph (g) of this AD is necessary, because we released a Global Alternative Method of Compliance (AMOC) to paragraph (h) of AD 2018-04-01 (83 FR 6791, February 15, 2018). The Global AMOC removed the operational restrictions on an affected engine if Pratt & Whitney (PW) Alert Service Bulletin (ASB) PW1000G-C-72-00-0099-00A-930A-D, Issue No. 002, dated March 15, 2018 procedures were performed and the affected parts removed. Therefore, we did not change the AD. Request To Clarify Affected Engine Serial Numbers (ESNs) European Aviation Safety Agency (EASA) requested that we explain why paragraph (c) of this AD is limited to affected engines with ESNs P770450 to P770614, inclusive. EASA noted that PW ASB PW1000G-C-72-00- 0099-00A-930A-D, Issue No. 002, dated March 15, 2018 identifies a substantially larger population, P770101 to P770614 inclusive, of affected engines. We limited this AD to ESNs P770450 to P770614 because the affected part numbers are not known to be installed in earlier engine models. Therefore, we did not change this AD. Request To Limit Applicability All Nippon Airways requested that we limit the paragraph (c) of this AD to affected engines with diffuser case air seal assembly, part number (P/N) 30G4993-01, the HPT 2nd-stage vane assembly, P/N 30G7572, and HPT 2nd-stage borescope stator vane assembly, P/N 30G7672, installed. We agree. We revised the paragraph (c) of this AD to list only those engines with ESNs P770450 through P770614 with diffuser case air seal assembly, P/N 30G4993-01; HPT 2nd-stage vane assembly, P/N 30G7572; and HPT 2nd-stage borescope stator vane assembly, P/N 30G7672, installed. Request To Clarify Method of Compliance Hawaiian Airlines stated engines that have incorporated PW ASB PW1000G-C-72-00-0099-00A-930A-D, Issue No. 002, dated March 15, 2018, or later revisions, should be shown as having complied with this AD. We agree. PW ASB PW1000G-C-72-00-0099-00A-930A-D, Issue No. 002, dated March 15, 2018 can be used as a method to comply with paragraph (g) of this AD, because it requires removing and replacing the affected part numbers. Request To Clarify How To Demonstrate Compliance Hawaiian Airlines stated that complying with this AD would require removal of the diffuser case air seal assembly, P/N 30G4993-01; the HPT 2nd-stage vane assembly, P/N 30G7572; and the HPT 2nd-stage borescope stator vane assembly, P/N 30G7672 at the next engine shop visit. However, none of these P/Ns are individually documented by IAE or PW, either upon delivery or on maintenance, repair, and overhaul (MRO) documentation. Therefore, it would be difficult to demonstrate compliance with paragraph (g) of this AD. We disagree. The operator must verify that their products comply with paragraph (g) of this AD. If overhaul facilities are used to perform maintenance, then documentation of the work completed must be provided to the operator to verify compliance with paragraph (g) of this AD. Therefore, we did not change this AD. Request To Explain Differences in Applicability Between AD and Service Information EASA requested that we explain why this AD applies to more engine models than PW ASB PW1000G-C-72-00-0099-00A-930A-D, Issue No. 002, dated March 15, 2018. We disagree. This AD applies to all IAE PW1133G-JM, PW1133GA-JM, PW1130G-JM, PW1127G-JM, PW1127GA-JM, PW1127G1-JM, PW1124G-JM, PW1124G1- JM, and PW1122G-JM turbofan engines, because they are approved under type certificate, E00087EN. The PW ASB PW1000G-C-72-00-0099-00A-930A-D, Issue No. 002, dated March 15, 2018 only applies to PW1100G-JM engine models that are currently in service. Therefore, we did not change this AD. Conclusion We reviewed the relevant data, considered the comments received, and determined that air safety and the public interest require adopting this final rule with the changes described previously. We have determined that these minor changes:Are consistent with the intent that was proposed in the NPRM for addressing the unsafe condition; and [[Page 55616]] Do not add any additional burden upon the public than was already proposed in the NPRM. We also determined that these changes will not increase the economic burden on any operator or increase the scope of this final rule. Related Service Information We reviewed PW ASB PW1000G-C-72-00-0099-00A-930A-D, Issue No. 002, dated March 15, 2018. This ASB describes procedures for the disassembly, removal, and replacement of the diffuser case air seal assembly, P/N 30G4993-01; the HPT 2nd-stage vane assembly, P/N 30G7572; and the HPT 2nd-stage borescope stator vane assembly, P/N 30G7672. Interim Action We consider this AD interim action. The manufacturer is currently developing a modification that will address the unsafe condition identified in this AD. Once this modification is developed, approved, and available, we might consider additional rulemaking. Costs of Compliance We estimate that this AD affects 16 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 ---------------------------------------------------------------------------------------------------------------- Removing and replacing parts.......... 0 work-hours x $85 per $44,000 $44,000 $704,000 hour = $0. ---------------------------------------------------------------------------------------------------------------- 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 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 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 adding the following new airworthiness directive (AD): 2018-21-10 International Aero Engines: Amendment 39-19468; Docket No. FAA-2018-0404; Product Identifier 2018-NE-15-AD. (a) Effective Date This AD is effective December 12, 2018. (b) Affected ADs None. (c) Applicability This AD applies to International Aero Engines (IAE) PW1133G-JM, PW1133GA-JM, PW1130G-JM, PW1127G-JM, PW1127GA-JM, PW1127G1-JM, PW1124G-JM, PW1124G1-JM, and PW1122G-JM turbofan engines with engine serial numbers (ESNs) P770450 through P770614, and with diffuser case air seal assembly part number (P/Ns) 30G4993-01, high-pressure turbine (HPT) 2nd-stage vane assembly, P/N 30G7572, or HPT 2nd-stage borescope stator vane assembly, P/N 30G7672, installed. (d) Subject Joint Aircraft System Component (JASC) Code 7230, Turbine Engine Compressor Section. (e) Unsafe Condition This AD was prompted by reports of in-flight engine shutdowns and aborted take-offs that were the result of a failed knife edge seal on affected engines with ESNs P770450 through P770614. We are issuing this AD to prevent failure of the rear high-pressure compressor rotor hub knife edge seal. The unsafe condition, if not addressed, could result in failure of one or more engines, loss of thrust control, and loss of the airplane. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Required Actions At the next engine shop visit after the effective date of this AD, do the following: (1) Remove from service the diffuser case air seal assembly, P/N 30G4993-01, and replace with a part eligible for installation. (2) Remove from service the HPT 2nd-stage vane assembly, P/N 30G7572, and replace with a part eligible for installation. (3) Remove from service HPT 2nd-stage borescope stator vane assembly, P/N 30G7672, and replace with a part eligible for installation. (h) Definition For the purpose of this AD, an ''engine shop visit'' is the induction of an engine into the shop for maintenance involving the [[Page 55617]] separation of pairs of major mating engine flanges (lettered flanges). The separation of engine flanges solely for the purpose of transportation of the engine without subsequent engine maintenance does not constitute an engine shop visit. (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) 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. (j) Related Information For more information about this AD, contact Kevin M. Clark, Aerospace Engineer, ECO Branch, FAA, 1200 District Avenue, Burlington, MA 01803; phone: 781-238-7088; fax: 781-238-7199; email: [email protected]. (k) Material Incorporated by Reference None. Issued in Burlington, Massachusetts, on October 31, 2018. Robert J. Ganley, Manager, Engine and Propeller Standards Branch, Aircraft Certification Service. [FR Doc. 2018-24239 Filed 11-6-18; 8:45 am] BILLING CODE 4910-13-P
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of this AD, as applicable; or within 30 days (o) Material Incorporated by Reference DEPARTMENT OF TRANSPORTATION
after the effective date of this AD; whichever (1) The Director of the Federal Register
occurs later. Federal Aviation Administration
approved the incorporation by reference
(2) If the optional revision specified in
paragraph (l)(1) of this AD is accomplished: (IBR) of the service information listed in this
After the maintenance or inspection program paragraph under 5 U.S.C. 552(a) and 1 CFR 14 CFR Part 39
has been revised as provided by paragraph part 51. [Docket No. FAA–2018–0404; Product
(1)(1) of this AD, no alternative actions (e.g., (2) You must use this service information Identifier 2018–NE–15–AD; Amendment 39–
inspections), intervals, or CDCCLs may be as applicable to do the actions required by 19468; AD 2018–21–10]
used unless the actions, intervals, or CDCCLs this AD, unless the AD specifies otherwise.
are approved as an AMOC in accordance RIN 2120–AA64
(3) The following service information was
with the procedures specified in paragraph approved for IBR on December 12, 2018.
(m) of this AD. Airworthiness Directives; International
(i) Boeing Service Bulletin DC10–28–264,
Aero Engines (IAE) Turbofan Engines
(m) Alternative Methods of Compliance dated May 15, 2015.
(AMOCs) (ii) Boeing Service Bulletin MD11–28–146, AGENCY: Federal Aviation
(1) The Manager, Los Angeles ACO Branch, dated May 15, 2015. Administration (FAA), DOT.
FAA, has the authority to approve AMOCs (iii) Boeing Trijet Special Compliance Item ACTION: Final rule.
for this AD, if requested using the procedures Report MDC–02K1003, Revision R, including
found in 14 CFR 39.19. In accordance with Appendices A through D, dated May 9, 2018. SUMMARY: We are adopting a new
14 CFR 39.19, send your request to your (4) The following service information was
principal inspector or local Flight Standards
airworthiness directive (AD) for all
approved for IBR on April 15, 2016 (81 FR International Aero Engines (IAE)
District Office, as appropriate. If sending
information directly to the manager of the 12806, March 11, 2016). PW1133G–JM, PW1133GA–JM,
certification office, send it to the attention of (i) Boeing Alert Service Bulletin DC10– PW1130G–JM, PW1127G–JM,
the person identified in paragraph (n) of this 28A253, dated June 5, 2014. PW1127GA–JM, PW1127G1–JM,
AD. Information may be emailed to: 9-ANM- (ii) Boeing Service Bulletin DC10–28–256, PW1124G–JM, PW1124G1–JM, and
LAACO-AMOC-Requests@faa.gov. dated June 24, 2014. PW1122G–JM turbofan engines. This
(2) Before using any approved AMOC, (iii) Boeing Alert Service Bulletin MD11– AD was prompted by reports of in-flight
notify your appropriate principal inspector, 28A133, dated June 5, 2014.
or lacking a principal inspector, the manager
engine shutdowns and aborted take-offs
(iv) Boeing Service Bulletin MD11–28–137, as the result of certain parts affecting the
of the local flight standards district office/ dated June 24, 2014.
certificate holding district office. durability of the rear high-pressure
(v) Boeing Trijet Special Compliance Item compressor (HPC) rotor hub knife edge
(3) An AMOC that provides an acceptable
level of safety may be used for any repair, Report MDC–02K1003, Revision M, seal. This AD requires replacing the
modification, or alteration required by this including Appendices A through D, dated diffuser case air seal assembly, the high-
AD if it is approved by the Boeing July 25, 2014. pressure turbine (HPT) 2nd-stage vane
Commercial Airplanes Organization (5) For service information identified in assembly, and the HPT 2nd-stage
Designation Authorization (ODA) that has this AD, contact Boeing Commercial
borescope stator vane assembly with
been authorized by the Manager, Los Angeles Airplanes, Attention: Contractual & Data
ACO Branch, FAA, to make those findings. parts eligible for installation. We are
Services (C&DS), 2600 Westminster Blvd.,
To be approved, the repair method, issuing this AD to address the unsafe
MC 110–SK57, Seal Beach, CA 90740–5600;
modification deviation, or alteration condition on these products.
telephone: 562–797–1717; internet: https://
deviation must meet the certification basis of DATES: This AD is effective December
www.myboeingfleet.com.
the airplane, and the approval must 12, 2018.
specifically refer to this AD. (6) You may view this service information
(4) For service information that contains at the FAA, Transport Standards Branch, ADDRESSES: For service information
steps that are labeled as Required for 2200 South 216th St., Des Moines, WA. For identified in this final rule, contact
Compliance (RC), the provisions of information on the availability of this International Aero Engines, 400 Main
paragraphs (m)(4)(i) and (m)(4)(ii) of this AD material at the FAA, call 206–231–3195. Street, East Hartford, CT, 06118; phone:
apply. (7) You may view this service information 800–565–0140; email: help24@
(i) The steps labeled as RC, including that is incorporated by reference at the pw.utc.com; internet: http://
substeps under an RC step and any figures National Archives and Records fleetcare.pw.utc.com. You may view this
identified in an RC step, must be done to
Administration (NARA). For information on service information at the FAA, Engine
comply with the AD. If a step or substep is
labeled ‘‘RC Exempt,’’ then the RC the availability of this material at NARA, call and Propeller Standards Branch, 1200
requirement is removed from that step or 202–741–6030, or go to: http:// District Avenue, Burlington, MA 01803.
substep. An AMOC is required for any www.archives.gov/federal-register/cfr/ibr- For information on the availability of
deviations to RC steps, including substeps locations.html. this material at the FAA, call 781–238–
and identified figures. Issued in Des Moines, Washington, on 7759. It is also available on the internet
(ii) Steps not labeled as RC may be at http://www.regulations.gov by
October 24, 2018.
deviated from using accepted methods in searching for and locating Docket No.
accordance with the operator’s maintenance Michael Kaszycki,
or inspection program without obtaining
FAA–2018–0404.
Acting Director, System Oversight Division,
approval of an AMOC, provided the RC steps, Aircraft Certification Service. Examining the AD Docket
including substeps and identified figures, can
[FR Doc. 2018–23822 Filed 11–6–18; 8:45 am] You may examine the AD docket on
still be done as specified, and the airplane
can be put back in an airworthy condition. BILLING CODE 4910–13–P the internet at http://
www.regulations.gov by searching for
(n) Related Information
and locating Docket No. FAA–2018–
amozie on DSK3GDR082PROD with RULES
For more information about this AD, 0404; or in person at Docket Operations
contact Serj Harutunian, Aerospace Engineer,
Propulsion Section, FAA, Los Angeles ACO
between 9 a.m. and 5 p.m., Monday
Branch, 3960 Paramount Boulevard, through Friday, except Federal holidays.
Lakewood, CA 90712–4137; phone: 562–627– The AD docket contains this final rule,
5254; fax: 562–627–5210; email: the regulatory evaluation, any
serj.harutunian@faa.gov. comments received, and other
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• Do not add any additional burden describes procedures for the address the unsafe condition identified
upon the public than was already disassembly, removal, and replacement in this AD. Once this modification is
proposed in the NPRM. of the diffuser case air seal assembly, P/ developed, approved, and available, we
We also determined that these N 30G4993–01; the HPT 2nd-stage vane might consider additional rulemaking.
changes will not increase the economic assembly, P/N 30G7572; and the HPT
burden on any operator or increase the 2nd-stage borescope stator vane Costs of Compliance
scope of this final rule. assembly, P/N 30G7672. We estimate that this AD affects 16
Related Service Information Interim Action engines installed on airplanes of U.S.
We reviewed PW ASB PW1000G–C– We consider this AD interim action. registry.
72–00–0099–00A–930A–D, Issue No. The manufacturer is currently We estimate the following costs to
002, dated March 15, 2018. This ASB developing a modification that will comply with this AD:
ESTIMATED COSTS
Cost per Cost on U.S.
Action Labor cost Parts cost product operators
Removing and replacing parts ........................ 0 work-hours × $85 per hour = $0 ................. $44,000 $44,000 $704,000
Authority for This Rulemaking responsibilities among the various (c) Applicability
levels of government. This AD applies to International Aero
Title 49 of the United States Code For the reasons discussed above, I Engines (IAE) PW1133G–JM, PW1133GA–JM,
specifies the FAA’s authority to issue certify that this AD: PW1130G–JM, PW1127G–JM, PW1127GA–
rules on aviation safety. Subtitle I, (1) Is not a ‘‘significant regulatory JM, PW1127G1–JM, PW1124G–JM,
section 106, describes the authority of action’’ under Executive Order 12866, PW1124G1–JM, and PW1122G–JM turbofan
the FAA Administrator. Subtitle VII: engines with engine serial numbers (ESNs)
(2) Is not a ‘‘significant rule’’ under P770450 through P770614, and with diffuser
Aviation Programs, describes in more
DOT Regulatory Policies and Procedures case air seal assembly part number (P/Ns)
detail the scope of the Agency’s
(44 FR 11034, February 26, 1979), 30G4993–01, high-pressure turbine (HPT)
authority.
(3) Will not affect intrastate aviation 2nd-stage vane assembly, P/N 30G7572, or
We are issuing this rulemaking under in Alaska, and HPT 2nd-stage borescope stator vane
the authority described in Subtitle VII, (4) Will not have a significant assembly, P/N 30G7672, installed.
Part A, Subpart III, Section 44701: economic impact, positive or negative, (d) Subject
‘‘General requirements.’’ Under that on a substantial number of small entities
section, Congress charges the FAA with Joint Aircraft System Component (JASC)
under the criteria of the Regulatory Code 7230, Turbine Engine Compressor
promoting safe flight of civil aircraft in Flexibility Act. Section.
air commerce by prescribing regulations
for practices, methods, and procedures List of Subjects in 14 CFR Part 39 (e) Unsafe Condition
the Administrator finds necessary for Air transportation, Aircraft, Aviation This AD was prompted by reports of in-
safety in air commerce. This regulation safety, Incorporation by reference, flight engine shutdowns and aborted take-offs
is within the scope of that authority Safety. that were the result of a failed knife edge seal
because it addresses an unsafe condition on affected engines with ESNs P770450
that is likely to exist or develop on Adoption of the Amendment through P770614. We are issuing this AD to
prevent failure of the rear high-pressure
products identified in this rulemaking Accordingly, under the authority compressor rotor hub knife edge seal. The
action. delegated to me by the Administrator, unsafe condition, if not addressed, could
This AD is issued in accordance with the FAA amends 14 CFR part 39 as result in failure of one or more engines, loss
authority delegated by the Executive follows: of thrust control, and loss of the airplane.
Director, Aircraft Certification Service, (f) Compliance
as authorized by FAA Order 8000.51C. PART 39—AIRWORTHINESS
DIRECTIVES Comply with this AD within the
In accordance with that order, issuance compliance times specified, unless already
of ADs is normally a function of the done.
Compliance and Airworthiness ■ 1. The authority citation for part 39
Division, but during this transition continues to read as follows: (g) Required Actions
period, the Executive Director has Authority: 49 U.S.C. 106(g), 40113, 44701. At the next engine shop visit after the
delegated the authority to issue ADs effective date of this AD, do the following:
§ 39.13 [Amended] (1) Remove from service the diffuser case
applicable to engines, propellers, and
■ 2. The FAA amends § 39.13 by adding air seal assembly, P/N 30G4993–01, and
associated appliances to the Manager, replace with a part eligible for installation.
Engine and Propeller Standards Branch, the following new airworthiness
(2) Remove from service the HPT 2nd-stage
Policy and Innovation Division. directive (AD): vane assembly, P/N 30G7572, and replace
2018–21–10 International Aero Engines: with a part eligible for installation.
Regulatory Findings
Amendment 39–19468; Docket No. (3) Remove from service HPT 2nd-stage
This AD will not have federalism FAA–2018–0404; Product Identifier borescope stator vane assembly, P/N
amozie on DSK3GDR082PROD with RULES
implications under Executive Order 2018–NE–15–AD. 30G7672, and replace with a part eligible for
installation.
13132. This AD will not have a (a) Effective Date
substantial direct effect on the States, on This AD is effective December 12, 2018.
(h) Definition
the relationship between the national For the purpose of this AD, an ’’engine
government and the States, or on the (b) Affected ADs shop visit’’ is the induction of an engine into
distribution of power and None. the shop for maintenance involving the
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separation of pairs of major mating engine revising the airplane flight manual to FOR FURTHER INFORMATION CONTACT:
flanges (lettered flanges). The separation of provide the flightcrew with updated Kathleen Arrigotti, Aerospace Engineer,
engine flanges solely for the purpose of procedures related to inboard aileron International Section, Transport
transportation of the engine without fault operations. We are issuing this AD Standards Branch, FAA, 2200 South
subsequent engine maintenance does not
constitute an engine shop visit.
to address the unsafe condition on these 216th St., Des Moines, WA 98198;
products. telephone and fax 206–231–3218.
(i) Alternative Methods of Compliance DATES: This AD becomes effective
(AMOCs) SUPPLEMENTARY INFORMATION:
November 23, 2018.
(1) The Manager, ECO Branch, FAA, has The Director of the Federal Register Discussion
the authority to approve AMOCs for this AD, approved the incorporation by reference
if requested using the procedures found in 14 of a certain publication listed in this AD The European Aviation Safety Agency
CFR 39.19. In accordance with 14 CFR 39.19, as of November 23, 2018. (EASA), which is the Technical Agent
send your request to your principal inspector We must receive comments on this for the Member States of the European
or local Flight Standards District Office, as Union, has issued EASA Airworthiness
appropriate. If sending information directly
AD by December 24, 2018.
ADDRESSES: You may send comments, Directive 2018–0213, dated October 1,
to the manager of the certification office,
send it to the attention of the person using the procedures found in 14 CFR 2018 (referred to after this as the
identified in paragraph (j) of this AD. You 11.43 and 11.45, by any of the following Mandatory Continuing Airworthiness
may email your request to: ANE-AD-AMOC@ methods: Information, or ‘‘the MCAI’’), to correct
faa.gov. • Federal eRulemaking Portal: Go to an unsafe condition for certain Airbus
(2) Before using any approved AMOC, http://www.regulations.gov. Follow the SAS Model A350–941 and -1041
notify your appropriate principal inspector, instructions for submitting comments. airplanes. The MCAI states:
or lacking a principal inspector, the manager • Fax: 202–493–2251. A technical issue was detected on the
of the local flight standards district office/ • Mail: U.S. Department of inboard aileron electro-hydrostatic actuators,
certificate holding district office. Transportation, Docket Operations, causing potential erroneous monitoring of
(j) Related Information M–30, West Building Ground Floor, those actuators. Consequently, in-flight loss
For more information about this AD, Room W12–140, 1200 New Jersey of inboard aileron control may occur, which,
contact Kevin M. Clark, Aerospace Engineer, Avenue SE, Washington, DC 20590. due to the resulting drag, would lead to
ECO Branch, FAA, 1200 District Avenue, • Hand Delivery: U.S. Department of increased fuel consumption.
Burlington, MA 01803; phone: 781–238– Transportation, Docket Operations, This condition, if not corrected, and if
7088; fax: 781–238–7199; email: M–30, West Building Ground Floor, combined with one engine inoperative, could
kevin.m.clark@faa.gov. Room W12–140, 1200 New Jersey result in reduced control or performance of
Avenue SE, Washington, DC, between 9 the aeroplane.
(k) Material Incorporated by Reference To address this potential unsafe condition,
a.m. and 5 p.m., Monday through
None. Airbus issued the AFM [airplane flight
Friday, except Federal holidays. manual] TR [temporary revision] and Flight
Issued in Burlington, Massachusetts, on For service information identified in Operations Transmission (FOT) 999.0062/18,
October 31, 2018. this final rule, contact Airbus SAS, informing operators that Airbus provides two
Robert J. Ganley, Airworthiness Office—EAL, Rond-Point different Airbus Temporary Quick Changes
Manager, Engine and Propeller Standards Emile Dewoitine No: 2, 31700 Blagnac (ATQC) to the Electronic Centralized Aircraft
Branch, Aircraft Certification Service. Cedex, France; telephone +33 5 61 93 36 Monitoring (ECAM), depending on the
[FR Doc. 2018–24239 Filed 11–6–18; 8:45 am] 96; fax +33 5 61 93 45 80; email installed FWS [flight warning system]
BILLING CODE 4910–13–P continued-airworthiness.a350@ standard, either STD S4/2.0 or STD S5/2.2,
airbus.com; internet http:// as applicable, and issued the applicable SB
www.airbus.com. You may view this [service bulletin] accordingly, providing
DEPARTMENT OF TRANSPORTATION modification instructions.
referenced service information at the
For the reasons described above, this
FAA, Transport Standards Branch, 2200 [EASA] AD requires amendment of the
Federal Aviation Administration South 216th St., Des Moines, WA. For applicable AFM and installation of ATQC
information on the availability of this V4, followed by ECAM Temporary Change
14 CFR Part 39 material at the FAA, call 206–231–3195. (ETC) activation, to update the procedures
[Docket No. FAA–2018–0908; Product It is also available on the internet at related to inboard aileron fault operations.
Identifier 2018–NM–136–AD; Amendment http://www.regulations.gov by searching This AD is considered to be an interim
39–19486; AD 2018–22–13] for and locating Docket No. FAA–2018– action and further AD action may follow.
0908.
RIN 2120–AA64 You may examine the MCAI on the
Examining the AD Docket internet at http://www.regulations.gov
Airworthiness Directives; Airbus SAS by searching for and locating Docket No.
You may examine the AD docket on
Airplanes FAA–2018–0908.
the internet at http://
AGENCY: Federal Aviation www.regulations.gov by searching for Related Service Information Under 1
Administration (FAA), DOT. and locating Docket No. FAA–2018– CFR Part 51
ACTION: Final rule; request for 0908; or in person at Docket Operations
comments. between 9 a.m. and 5 p.m., Monday Airbus has issued Airbus A350
through Friday, except Federal holidays. Temporary Revision (TR) 113, Issue 1.0,
SUMMARY: We are adopting a new The AD docket contains this AD, the dated July 27, 2018, which provides
airworthiness directive (AD) for certain regulatory evaluation, any comments updated procedures related to inboard
amozie on DSK3GDR082PROD with RULES
Airbus SAS Model A350–941 and –1041 received, and other information. The aileron fault operations. This service
airplanes. This AD was prompted by a street address for Docket Operations information is reasonably available
technical issue detected on the inboard (telephone 800–647–5527) is in the because the interested parties have
aileron electro-hydrostatic actuators that ADDRESSES section. Comments will be access to it through their normal course
caused potential erroneous monitoring available in the AD docket shortly after of business or by the means identified
of those actuators. This AD requires receipt. in the ADDRESSES section.
VerDate Sep<11>2014 16:15 Nov 06, 2018 Jkt 247001 PO 00000 Frm 00017 Fmt 4700 Sfmt 4700 E:\FR\FM\07NOR1.SGM 07NOR1](https://thefederalregister.org/doc/83_FR_55830/page/4.svg)
Document Created: 2018-11-07 00:04:27
Document Modified: 2018-11-07 00:04:27
| Category | Regulatory Information | |
| Collection | Federal Register | |
| sudoc Class | AE 2.7: GS 4.107: AE 2.106: | |
| Publisher | Office of the Federal Register, National Archives and Records Administration | |
| Section | Rules and Regulations | |
| Action | Final rule. | |
| Dates | This AD is effective December 12, 2018. | |
| Contact | Kevin M. Clark, Aerospace Engineer, ECO Branch, FAA, 1200 District Avenue, Burlington, MA 01803; phone: 781-238-7088; fax: 781-238-7199; email: [email protected] | |
| FR Citation | 83 FR 55614 | |
| RIN Number | 2120-AA64 | |
| CFR Associated | Air Transportation; Aircraft; Aviation Safety; Incorporation by Reference and Safety |
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