83_FR_48891 83 FR 48703 - Airworthiness Directives; Rolls-Royce plc Turbofan Engines

83 FR 48703 - Airworthiness Directives; Rolls-Royce plc Turbofan Engines

DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration

Federal Register Volume 83, Issue 188 (September 27, 2018)

Page Range48703-48706
FR Document2018-21032

We are adopting a new airworthiness directive (AD) for certain Rolls-Royce plc (RR) RB211-Trent 875-17, RB211-Trent 877-17, RB211- Trent 884-17, RB211-Trent 884B-17, RB211-Trent 892-17, RB211-Trent 892B-17, and RB211-Trent 895-17 turbofan engines. This AD was prompted by low-pressure compressor (LPC) case A-frame hollow locating pins that may have reduced integrity due to incorrect heat treatment. This AD requires replacement of the LPC case A-frame hollow locating pins. We are issuing this AD to address the unsafe condition on these products.

Federal Register, Volume 83 Issue 188 (Thursday, September 27, 2018)
[Federal Register Volume 83, Number 188 (Thursday, September 27, 2018)]
[Rules and Regulations]
[Pages 48703-48706]
From the Federal Register Online  [www.thefederalregister.org]
[FR Doc No: 2018-21032]



========================================================================
Rules and Regulations
                                                Federal Register
________________________________________________________________________

This section of the FEDERAL REGISTER contains regulatory documents 
having general applicability and legal effect, most of which are keyed 
to and codified in the Code of Federal Regulations, which is published 
under 50 titles pursuant to 44 U.S.C. 1510.

The Code of Federal Regulations is sold by the Superintendent of Documents. 

========================================================================


Federal Register / Vol. 83, No. 188 / Thursday, September 27, 2018 / 
Rules and Regulations

[[Page 48703]]



DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2017-0650; Product Identifier 2017-NE-19-AD; Amendment 
39-19394; AD 2018-18-15]
RIN 2120-AA64


Airworthiness Directives; Rolls-Royce plc Turbofan Engines

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule.

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

SUMMARY: We are adopting a new airworthiness directive (AD) for certain 
Rolls-Royce plc (RR) RB211-Trent 875-17, RB211-Trent 877-17, RB211-
Trent 884-17, RB211-Trent 884B-17, RB211-Trent 892-17, RB211-Trent 
892B-17, and RB211-Trent 895-17 turbofan engines. This AD was prompted 
by low-pressure compressor (LPC) case A-frame hollow locating pins that 
may have reduced integrity due to incorrect heat treatment. This AD 
requires replacement of the LPC case A-frame hollow locating pins. We 
are issuing this AD to address the unsafe condition on these products.

DATES: This AD becomes effective November 1, 2018.
    The Director of the Federal Register approved the incorporation by 
reference of a certain publication listed in this AD as of November 1, 
2018.

ADDRESSES: For service information identified in this final rule, 
contact Rolls-Royce plc, Corporate Communications, P.O. Box 31, Derby, 
DE24 8BJ, United Kingdom; phone: 011-44-1332-242424; fax: 011-44-1332-
249936; email: http://www.rolls-royce.com/contact/civil_team.jsp; 
internet: https://customers.rolls-royce.com/public/rollsroycecare. 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-2017-
0650.

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-2017-
0650; 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 mandatory continuing airworthiness information 
(MCAI), the regulatory evaluation, any comments received, and other 
information. The address for Docket Operations (phone: 800-647-5527) is 
Docket Operations, 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: kevin.m.clark@faa.gov.

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 certain RR RB211-Trent 875-
17, RB211-Trent 877-17, RB211-Trent 884-17, RB211-Trent 884B-17, RB211-
Trent 892-17, RB211-Trent 892B-17, and RB211-Trent 895-17 turbofan 
engines. The NPRM published in the Federal Register on September 28, 
2017 (82 FR 45218). The NPRM was prompted by LPC case A-frame hollow 
locating pins that may have reduced integrity due to incorrect heat 
treatment. The NPRM proposed to require replacement of the LPC case A-
frame hollow locating pins. We are issuing this AD to address the 
unsafe condition on these products.
    The European Aviation Safety Agency (EASA), which is the Technical 
Agent for the Member States of the European Community, has issued EASA 
AD 2017-0096, dated June 1, 2017 (referred to after this as ``the 
MCAI''), to address the unsafe condition on these products. The MCAI 
states:

    All low pressure compressor (LPC) case A-frame hollow locating 
pins, Part Number (P/N) FK11612, manufactured between 01 January 
2012 and 31 May 2016, have potentially been subjected to incorrect 
heat treatment. This may have reduced the integrity of the pin such 
that in a Fan Blade Off (FBO) event it is unable to withstand the 
applied loads.
    This condition, if not corrected, could lead to loss of location 
of the A-frame following an FBO event, possibly resulting in engine 
separation, loss of thrust reverser unit, release of high-energy 
debris, or an uncontrolled fire.
    To address this potential unsafe condition, RR identified the 
affected engines that have these A-frame hollow locating pins 
installed and published Alert Non-Modification Service Bulletin 
(NMSB) RB.211-72-AJ463, providing instructions for replacement of 
these pins. The NMSB was recently revised to correct an error in 
Section 1.A., where ESN 51477 was inadvertently omitted. That ESN 
was correctly listed in Section 1.D.(1)(f) for the compliance time.
    For the reason described above, this AD requires a one-time 
replacement of the affected A-frame hollow locating pins P/N 
FK11612. This AD also prohibits installation of pins that were 
released to service before 05 July 2016.

    You may obtain further information by examining the MCAI in the AD 
docket on the internet at http://www.regulations.gov by searching for 
and locating Docket No. FAA-2017-0650.

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 Address Spare Engines

    Delta Air Lines (Delta) commented that the NPRM requirement to 
replace each A-frame pin at next on-wing maintenance opportunity within 
the compliance time specified in RR NMSB RB.211-72-AJ463, Section 
1.D(1), or at next engine shop visit, does not address spare engines. 
Delta noted that, based on the Installation Prohibition in the NPRM, 
one could infer that affected spare engines must comply with this AD 
prior to installation. However, Delta finds that this statement 
conflicts with NMSB RB.211-72-AJ463, Section 1.D(1)(g)(ii), which 
allows replacement of A-frame pins on serviceable spare

[[Page 48704]]

engines prior to the engine's installation on-wing. EASA AD 2017-0096, 
paragraph 2, has the same allowance for spare engines.
    Delta, therefore, requested that we add a new paragraph (g)(3) that 
would read: ``If any engine listed in the applicability of this AD, 
paragraph (c), is held as a serviceable spare engine, or is removed 
from the airplane after the effective date of this AD and then held as 
a serviceable spare engine, replace each affected LPC case A-frame 
hollow locating pin using Section 3, Accomplishment Instructions, of RR 
Alert NMSB RB.211-72-AJ463, Revision 2, dated June 28, 2017, before 
reinstallation of that engine onto an aircraft.''
    We partially agree. We agree that affected LPC case A-frame hollow 
locating pins do not have to be replaced on spare engines until the 
spare engine is installed on an airplane. We disagree with the 
suggested addition of a new paragraph (g)(3). Instead, we revised 
paragraph (g)(1) of this AD to refer only to engines installed on-wing 
on an airplane. Based on this change, spare engines are not affected by 
the requirements of paragraph (g)(1) of this AD.

Request To Remove ``Maintenance Opportunity'' From Compliance Time

    American Airlines and Delta requested the reference to 
``maintenance opportunity'' be removed from paragraph (g)(1) of this 
AD, as the NPRM already indicated that compliance should be performed 
based on the times specified in Section 1.D(1), Planning Information, 
in RR NMSB RB.211 72 AJ463, Revision 2, dated June 28, 2017. The 
commenters saw the potential for confusion and the risk of non-
compliance if this phrase is misunderstood.
    We agree. We find that specifying replacement of the LPC case A-
frame hollow locating pins at the next on-wing maintenance opportunity 
requirement is unnecessary because we already specify to comply within 
the times listed in the RR NMSB. We revised paragraph (g)(1) of this AD 
to remove this reference from the AD.

Request To Revise Compliance Time

    Delta commented that paragraph (g)(1) of the NPRM requires 
replacing the A-frame pins within the compliance times listed in 
Planning Information, Section 1.D.(1), in RR NMSB RB.211-72-AJ463, 
Revision 2, dated June 28, 2017, except for those listed in Sections 
1.D.(1)(a) and (b) which have a compliance requirement of November 13, 
2017. Delta recommended rewording this sentence to clarify that engine 
serial numbers listed in Sections 1.D.(1)(a) and (b) will have their 
existing deadlines replaced with a new compliance deadline as a part of 
this AD. American Airlines recommended a compliance deadline of 30 days 
after the effective date of the AD.
    We agree. We revised paragraph (g)(1) of this AD to indicate the 
compliance time is within the times specified in RR Alert NMSB RB.211-
72-AJ463, Planning Information, Section 1.D.(1), or within 30 days 
after the effective date of this AD, whichever occurs later.

Request To Allow Use of Alternative RR-Approved Tool

    American requested a paragraph be added to this AD to allow the use 
of alternative RR-authorized pin replacement tooling. American 
indicated that RR is currently pursuing an alternative tooling design 
for improved reliability.
    We disagree. Allowing the use of alternate tooling would require 
changes to the instructions for use, and a corresponding revision to, 
the RR NMSB. If RR revises its approved tooling, and publishes a 
revised NMSB, we will consider alternate method of compliance (AMOC) 
requests. We did not change this AD.

Request To Revise Installation Prohibition

    American requested that the Installation Prohibition paragraph of 
this AD be revised to allow installation of an engine with an affected 
pin providing replacement is accomplished before engine operation. 
American asked that this installation be allowed to provide favorable 
pin loading for replacement and to allow operators to install an engine 
on-wing in order to replace the affected parts with parts eligible for 
installation. American indicated that pin loads in an engine stand 
adversely affect replacement, and Rolls Royce has advised operators not 
to attempt the A-frame pin replacement while engine is in an engine 
stand.
    We agree. The proposed changes meet our safety objectives. We 
revised the Installation Prohibition to allow installation of an engine 
with an affected pin if the pin is replaced with a part eligible for 
installation before engine operation.

Request To Modify Installation Prohibition

    American also requested we revise the Installation Prohibition by 
deleting ``unless the pin is eligible for installation.'' American 
commented that this change would improve the clarity of the AD.
    We disagree. Requiring that the replacement part is eligible for 
installation is the intent of the AD. We did not change this AD.

Request To Add Credit for Previous Actions Paragraph

    American requested that we add a Credit For Previous Actions 
paragraph to give credit for eligible A-frame pins, P/N FK11612, 
installed in an engine prior to June 28, 2017. American commented that 
prior to the issuance of RR NMSB RB.211-72-AJ463, Revision 2, dated 
June 28, 2017, RR had issued work instructions for engines at overhaul 
bases to have the A-frame pins replaced with eligible pins.
    We disagree. If an operator installed an eligible LPC case A-frame 
hollow locating pin prior to the effective date of this AD, this meets 
the requirements of paragraph (f) of this AD, which states ``Comply 
with this AD within the compliance times specified, unless already 
done.'' This AD does not require use of a particular service bulletin 
to install an eligible LPC case A-frame hollow locating pin, therefore 
no change is needed. We did not change this AD.

Support for the AD

    The Air Line Pilots Association expressed support for 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 and minor 
editorial changes. We have determined that these minor changes:
     Are consistent with the intent that was proposed in the 
NPRM for addressing the unsafe condition; and
     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 Under 1 CFR Part 51

    We reviewed RR Alert NMSB RB.211-72-AJ463, Revision 2, dated June 
28, 2017. The Alert SB describes procedures for replacement of all non-
conforming LPC case A-frame hollow locating pins. 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.

[[Page 48705]]

Costs of Compliance

    We estimate that this AD affects 95 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
----------------------------------------------------------------------------------------------------------------
LPC case A-frame hollow locating pin    9.5 work-hours x $85 per         $453.00       $1,260.50     $119,747.50
 replacement.                            hour = $807.50.
----------------------------------------------------------------------------------------------------------------

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 this AD:
    (1) Is not a ``significant regulatory action'' under Executive 
Order 12866,
    (2) Is not a ``significant rule'' under the 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):

2018-18-15 Rolls-Royce plc: Amendment 39-19394; Docket No. FAA-2017-
0650; Product Identifier 2017-NE-19-AD.

(a) Effective Date

    This AD is effective November 1, 2018.

(b) Affected ADs

    None.

(c) Applicability

    This AD applies to certain Rolls-Royce plc (RR) RB211-Trent 875-
17, 877-17, 884-17, 884B-17, 892-17, 892B-17 and 895-17 turbofan 
engines with an engine serial number listed in Section 1.A., 
Effectivity, of RR Alert Non-Modification Service Bulletin (NMSB) 
RB.211-72-AJ463, Revision 2, dated June 28, 2017.

(d) Subject

    Joint Aircraft System Component (JASC) Code 7230, Turbine Engine 
Compressor Section.

(e) Reason

    This AD was prompted by low-pressure compressor (LPC) case A-
frame hollow locating pins that may have reduced integrity due to 
incorrect heat treatment. We are issuing this AD to prevent failure 
of the locating pins, engine separation, and loss of the airplane.

(f) Compliance

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

(g) Required Actions

    (1) For engines installed on-wing, after the effective date of 
this AD, replace each affected LPC case A-frame hollow locating pin, 
part number (P/N) FK11612, within the compliance times specified in 
RR Alert NMSB RB.211-72-AJ463, Planning Information, Section 
1.D.(1), or within 30 days after the effective date of this AD, 
whichever occurs later, with a part eligible for installation.
    (2) After the effective date of this AD, unless already 
accomplished by paragraph (g)(1) of this AD, at the next engine shop 
visit, replace each affected LPC case A-frame hollow locating pin, 
P/N FK11612, with a part eligible for installation.
    (3) Use Section 3, Accomplishment Instructions, of RR Alert NMSB 
RB.211-72-AJ463, Revision 2, dated June 28, 2017, to perform the 
replacements required by paragraphs (g)(1) and (2) of this AD.

(h) Installation Prohibition

    After the effective date of this AD, an engine with an affected 
LPC case A-frame hollow location pin, P/N FK11612, may not be 
installed on an airplane and subsequently operated. It is 
permissible to install an engine on an airplane with an affected pin 
if it is replaced with a part eligible for installation before 
engine operation.

(i) Definitions

    For the purposes of this AD:
    (1) An affected part is an LPC case A-frame hollow locating pin, 
P/N FK11612, except those with an original RR authorized release 
certificate dated July 5, 2016, or later.
    (2) A part eligible for installation is an LPC case A-frame 
hollow locating pin, P/N FK11612, with an original RR authorized 
release certificate dated July 5, 2016, or later.
    (3) An engine shop visit is when the engine is subject to a 
serviceability check and repair, rebuild, or overhaul.

[[Page 48706]]

(j) 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 
ECO Branch, send it to the attention of the person identified in 
paragraph (k)(1) of this AD. You may email your request to: ANE-AD-AMOC@faa.gov.
    (2) Before using any approved AMOC, notify your appropriate 
principal inspector, or lacking a principal inspector, the manager 
of the local flight standards district office/certificate holding 
district office.

(k) Related Information

    (1) Kevin M. Clark, Aerospace Engineer, ECO Branch, FAA, 1200 
District Avenue, Burlington, MA 01803; phone: 781-238-7088; fax: 
781-238-7199; email: kevin.m.clark@faa.gov.
    (2) Refer to European Aviation Safety Agency (EASA) AD 2017-
0096, dated June 1, 2017, for more information. You may examine the 
EASA AD in the AD docket on the internet at http://www.regulations.gov by searching for and locating it in Docket No. 
FAA-2017-0650.

(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.
    (i) Rolls-Royce plc (RR) Alert Non Modification Service Bulletin 
RB.211-72-AJ463, Revision 2, dated June 28, 2017.
    (ii) Reserved.
    (3) For RR service information identified in this AD, contact 
Rolls-Royce plc, Corporate Communications, P.O. Box 31, Derby, DE24 
8BJ, United Kingdom; phone: 011-44-1332-242424; fax: 011-44-1332-
249936; email: http://www.rolls-royce.com/contact/civil_team.jsp; 
internet: https://customers.rolls-royce.com/public/rollsroycecare.
    (4) You may view this service information at FAA, Engine & 
Propeller Standards Branch, 1200 District Avenue, Burlington, MA 
01803. For information on the availability of this material at the 
FAA, call 781-238-7759.
    (5) You may view this service information that is incorporated 
by reference at the National Archives and Records Administration 
(NARA). For information on the availability of this material at 
NARA, call 202-741-6030, or go to: http://www.archives.gov/federal-register/cfr/ibr-locations.html.

    Issued in Burlington, Massachusetts, on September 17, 2018.
Robert J. Ganley,
Manager, Engine and Propeller Standards Branch, Aircraft Certification 
Service.
[FR Doc. 2018-21032 Filed 9-26-18; 8:45 am]
 BILLING CODE 4910-13-P



                                                                                                                                                                                                 48703

                                             Rules and Regulations                                                                                         Federal Register
                                                                                                                                                           Vol. 83, No. 188

                                                                                                                                                           Thursday, September 27, 2018



                                             This section of the FEDERAL REGISTER                    Burlington, MA, 01803. For information                unsafe condition on these products. The
                                             contains regulatory documents having general            on the availability of this material at the           MCAI states:
                                             applicability and legal effect, most of which           FAA, call 781–238–7759. It is also                       All low pressure compressor (LPC) case
                                             are keyed to and codified in the Code of                available on the internet at http://                  A-frame hollow locating pins, Part Number
                                             Federal Regulations, which is published under           www.regulations.gov by searching for                  (P/N) FK11612, manufactured between 01
                                             50 titles pursuant to 44 U.S.C. 1510.
                                                                                                     and locating Docket No. FAA–2017–                     January 2012 and 31 May 2016, have
                                             The Code of Federal Regulations is sold by              0650.                                                 potentially been subjected to incorrect heat
                                             the Superintendent of Documents.                                                                              treatment. This may have reduced the
                                                                                                     Examining the AD Docket                               integrity of the pin such that in a Fan Blade
                                                                                                       You may examine the AD docket on                    Off (FBO) event it is unable to withstand the
                                             DEPARTMENT OF TRANSPORTATION                                                                                  applied loads.
                                                                                                     the internet at http://                                  This condition, if not corrected, could lead
                                                                                                     www.regulations.gov by searching for                  to loss of location of the A-frame following
                                             Federal Aviation Administration                         and locating Docket No. FAA–2017–                     an FBO event, possibly resulting in engine
                                                                                                     0650; or in person at Docket Operations               separation, loss of thrust reverser unit,
                                             14 CFR Part 39                                          between 9 a.m. and 5 p.m., Monday                     release of high-energy debris, or an
                                             [Docket No. FAA–2017–0650; Product                      through Friday, except Federal holidays.              uncontrolled fire.
                                             Identifier 2017–NE–19–AD; Amendment 39–                 The AD docket contains this final rule,                  To address this potential unsafe condition,
                                             19394; AD 2018–18–15]                                   the mandatory continuing airworthiness                RR identified the affected engines that have
                                                                                                                                                           these A-frame hollow locating pins installed
                                             RIN 2120–AA64
                                                                                                     information (MCAI), the regulatory
                                                                                                                                                           and published Alert Non-Modification
                                                                                                     evaluation, any comments received, and                Service Bulletin (NMSB) RB.211–72–AJ463,
                                             Airworthiness Directives; Rolls-Royce                   other information. The address for                    providing instructions for replacement of
                                             plc Turbofan Engines                                    Docket Operations (phone: 800–647–                    these pins. The NMSB was recently revised
                                                                                                     5527) is Docket Operations, U.S.                      to correct an error in Section 1.A., where ESN
                                             AGENCY:  Federal Aviation                               Department of Transportation, Docket                  51477 was inadvertently omitted. That ESN
                                             Administration (FAA), DOT.                              Operations, M–30, West Building                       was correctly listed in Section 1.D.(1)(f) for
                                             ACTION: Final rule.                                     Ground Floor, Room W12–140, 1200                      the compliance time.
                                                                                                     New Jersey Avenue SE, Washington, DC                     For the reason described above, this AD
                                             SUMMARY:   We are adopting a new                                                                              requires a one-time replacement of the
                                                                                                     20590.
                                             airworthiness directive (AD) for certain                                                                      affected A-frame hollow locating pins P/N
                                                                                                     FOR FURTHER INFORMATION CONTACT:                      FK11612. This AD also prohibits installation
                                             Rolls-Royce plc (RR) RB211–Trent 875–                   Kevin M. Clark, Aerospace Engineer,                   of pins that were released to service before
                                             17, RB211–Trent 877–17, RB211–Trent                     ECO Branch, FAA, 1200 District                        05 July 2016.
                                             884–17, RB211–Trent 884B–17, RB211–                     Avenue, Burlington, MA 01803; phone:
                                             Trent 892–17, RB211–Trent 892B–17,                                                                              You may obtain further information
                                                                                                     781–238–7088; fax: 781–238–7199;                      by examining the MCAI in the AD
                                             and RB211–Trent 895–17 turbofan                         email: kevin.m.clark@faa.gov.
                                             engines. This AD was prompted by low-                                                                         docket on the internet at http://
                                                                                                     SUPPLEMENTARY INFORMATION:                            www.regulations.gov by searching for
                                             pressure compressor (LPC) case A-frame
                                             hollow locating pins that may have                      Discussion                                            and locating Docket No. FAA–2017–
                                             reduced integrity due to incorrect heat                                                                       0650.
                                                                                                        We issued a notice of proposed
                                             treatment. This AD requires                             rulemaking (NPRM) to amend 14 CFR                     Comments
                                             replacement of the LPC case A-frame                     part 39 by adding an AD that would
                                             hollow locating pins. We are issuing                                                                            We gave the public the opportunity to
                                                                                                     apply to certain RR RB211–Trent 875–                  participate in developing this final rule.
                                             this AD to address the unsafe condition                 17, RB211–Trent 877–17, RB211–Trent
                                             on these products.                                                                                            The following presents the comments
                                                                                                     884–17, RB211–Trent 884B–17, RB211–                   received on the NPRM and the FAA’s
                                             DATES: This AD becomes effective                        Trent 892–17, RB211–Trent 892B–17,                    response to each comment.
                                             November 1, 2018.                                       and RB211–Trent 895–17 turbofan
                                                The Director of the Federal Register                 engines. The NPRM published in the                    Request To Address Spare Engines
                                             approved the incorporation by reference                 Federal Register on September 28, 2017                   Delta Air Lines (Delta) commented
                                             of a certain publication listed in this AD              (82 FR 45218). The NPRM was                           that the NPRM requirement to replace
                                             as of November 1, 2018.                                 prompted by LPC case A-frame hollow                   each A-frame pin at next on-wing
                                             ADDRESSES: For service information                      locating pins that may have reduced                   maintenance opportunity within the
                                             identified in this final rule, contact                  integrity due to incorrect heat treatment.            compliance time specified in RR NMSB
                                             Rolls-Royce plc, Corporate                              The NPRM proposed to require                          RB.211–72–AJ463, Section 1.D(1), or at
                                             Communications, P.O. Box 31, Derby,                     replacement of the LPC case A-frame                   next engine shop visit, does not address
                                             DE24 8BJ, United Kingdom; phone:                        hollow locating pins. We are issuing                  spare engines. Delta noted that, based
                                             011–44–1332–242424; fax: 011–44–                        this AD to address the unsafe condition               on the Installation Prohibition in the
                                             1332–249936; email: http://www.rolls-                                                                         NPRM, one could infer that affected
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                                                                                                     on these products.
                                             royce.com/contact/civil_team.jsp;                          The European Aviation Safety Agency                spare engines must comply with this AD
                                             internet: https://customers.rolls-                      (EASA), which is the Technical Agent                  prior to installation. However, Delta
                                             royce.com/public/rollsroycecare. You                    for the Member States of the European                 finds that this statement conflicts with
                                             may view this service information at the                Community, has issued EASA AD 2017–                   NMSB RB.211–72–AJ463, Section
                                             FAA, Engine and Propeller Standards                     0096, dated June 1, 2017 (referred to                 1.D(1)(g)(ii), which allows replacement
                                             Branch, 1200 District Avenue,                           after this as ‘‘the MCAI’’), to address the           of A-frame pins on serviceable spare


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                                             48704            Federal Register / Vol. 83, No. 188 / Thursday, September 27, 2018 / Rules and Regulations

                                             engines prior to the engine’s installation               this sentence to clarify that engine serial           this change would improve the clarity of
                                             on-wing. EASA AD 2017–0096,                              numbers listed in Sections 1.D.(1)(a)                 the AD.
                                             paragraph 2, has the same allowance for                  and (b) will have their existing                        We disagree. Requiring that the
                                             spare engines.                                           deadlines replaced with a new                         replacement part is eligible for
                                                Delta, therefore, requested that we                   compliance deadline as a part of this                 installation is the intent of the AD. We
                                             add a new paragraph (g)(3) that would                    AD. American Airlines recommended a                   did not change this AD.
                                             read: ‘‘If any engine listed in the                      compliance deadline of 30 days after the
                                             applicability of this AD, paragraph (c),                                                                       Request To Add Credit for Previous
                                                                                                      effective date of the AD.                             Actions Paragraph
                                             is held as a serviceable spare engine, or                   We agree. We revised paragraph (g)(1)
                                             is removed from the airplane after the                   of this AD to indicate the compliance                    American requested that we add a
                                             effective date of this AD and then held                  time is within the times specified in RR              Credit For Previous Actions paragraph
                                             as a serviceable spare engine, replace                   Alert NMSB RB.211–72–AJ463,                           to give credit for eligible A-frame pins,
                                             each affected LPC case A-frame hollow                    Planning Information, Section 1.D.(1), or             P/N FK11612, installed in an engine
                                             locating pin using Section 3,                            within 30 days after the effective date of            prior to June 28, 2017. American
                                             Accomplishment Instructions, of RR                       this AD, whichever occurs later.                      commented that prior to the issuance of
                                             Alert NMSB RB.211–72–AJ463,                                                                                    RR NMSB RB.211–72–AJ463, Revision
                                             Revision 2, dated June 28, 2017, before                  Request To Allow Use of Alternative                   2, dated June 28, 2017, RR had issued
                                             reinstallation of that engine onto an                    RR-Approved Tool                                      work instructions for engines at
                                             aircraft.’’                                                 American requested a paragraph be                  overhaul bases to have the A-frame pins
                                                We partially agree. We agree that                     added to this AD to allow the use of                  replaced with eligible pins.
                                             affected LPC case A-frame hollow                         alternative RR-authorized pin                            We disagree. If an operator installed
                                             locating pins do not have to be replaced                 replacement tooling. American                         an eligible LPC case A-frame hollow
                                             on spare engines until the spare engine                  indicated that RR is currently pursuing               locating pin prior to the effective date of
                                             is installed on an airplane. We disagree                 an alternative tooling design for                     this AD, this meets the requirements of
                                             with the suggested addition of a new                     improved reliability.                                 paragraph (f) of this AD, which states
                                             paragraph (g)(3). Instead, we revised                                                                          ‘‘Comply with this AD within the
                                                                                                         We disagree. Allowing the use of
                                             paragraph (g)(1) of this AD to refer only                                                                      compliance times specified, unless
                                                                                                      alternate tooling would require changes
                                             to engines installed on-wing on an                                                                             already done.’’ This AD does not require
                                                                                                      to the instructions for use, and a
                                             airplane. Based on this change, spare                                                                          use of a particular service bulletin to
                                                                                                      corresponding revision to, the RR
                                             engines are not affected by the                                                                                install an eligible LPC case A-frame
                                                                                                      NMSB. If RR revises its approved
                                             requirements of paragraph (g)(1) of this                                                                       hollow locating pin, therefore no change
                                                                                                      tooling, and publishes a revised NMSB,
                                             AD.                                                                                                            is needed. We did not change this AD.
                                                                                                      we will consider alternate method of
                                             Request To Remove ‘‘Maintenance                          compliance (AMOC) requests. We did                    Support for the AD
                                             Opportunity’’ From Compliance Time                       not change this AD.                                     The Air Line Pilots Association
                                               American Airlines and Delta                            Request To Revise Installation                        expressed support for this AD.
                                             requested the reference to ‘‘maintenance                 Prohibition
                                             opportunity’’ be removed from                                                                                  Conclusion
                                             paragraph (g)(1) of this AD, as the                         American requested that the                           We reviewed the relevant data,
                                             NPRM already indicated that                              Installation Prohibition paragraph of                 considered the comments received, and
                                             compliance should be performed based                     this AD be revised to allow installation              determined that air safety and the
                                             on the times specified in Section 1.D(1),                of an engine with an affected pin                     public interest require adopting this
                                             Planning Information, in RR NMSB                         providing replacement is accomplished                 final rule with the changes described
                                             RB.211 72 AJ463, Revision 2, dated June                  before engine operation. American                     previously and minor editorial changes.
                                             28, 2017. The commenters saw the                         asked that this installation be allowed to            We have determined that these minor
                                             potential for confusion and the risk of                  provide favorable pin loading for                     changes:
                                             non-compliance if this phrase is                         replacement and to allow operators to                    • Are consistent with the intent that
                                             misunderstood.                                           install an engine on-wing in order to                 was proposed in the NPRM for
                                               We agree. We find that specifying                      replace the affected parts with parts                 addressing the unsafe condition; and
                                             replacement of the LPC case A-frame                      eligible for installation. American                      • Do not add any additional burden
                                             hollow locating pins at the next on-wing                 indicated that pin loads in an engine                 upon the public than was already
                                             maintenance opportunity requirement is                   stand adversely affect replacement, and               proposed in the NPRM.
                                             unnecessary because we already specify                   Rolls Royce has advised operators not to                 We also determined that these
                                             to comply within the times listed in the                 attempt the A-frame pin replacement                   changes will not increase the economic
                                             RR NMSB. We revised paragraph (g)(1)                     while engine is in an engine stand.                   burden on any operator or increase the
                                             of this AD to remove this reference from                    We agree. The proposed changes meet                scope of this final rule.
                                             the AD.                                                  our safety objectives. We revised the
                                                                                                      Installation Prohibition to allow                     Related Service Information Under 1
                                             Request To Revise Compliance Time                        installation of an engine with an                     CFR Part 51
                                               Delta commented that paragraph (g)(1)                  affected pin if the pin is replaced with                We reviewed RR Alert NMSB RB.211–
                                             of the NPRM requires replacing the                       a part eligible for installation before               72–AJ463, Revision 2, dated June 28,
                                             A-frame pins within the compliance                       engine operation.                                     2017. The Alert SB describes procedures
                                             times listed in Planning Information,                                                                          for replacement of all non-conforming
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                                                                                                      Request To Modify Installation
                                             Section 1.D.(1), in RR NMSB RB.211–                                                                            LPC case A-frame hollow locating pins.
                                                                                                      Prohibition
                                             72–AJ463, Revision 2, dated June 28,                                                                           This service information is reasonably
                                             2017, except for those listed in Sections                   American also requested we revise the              available because the interested parties
                                             1.D.(1)(a) and (b) which have a                          Installation Prohibition by deleting                  have access to it through their normal
                                             compliance requirement of November                       ‘‘unless the pin is eligible for                      course of business or by the means
                                             13, 2017. Delta recommended rewording                    installation.’’ American commented that               identified in the ADDRESSES section.


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                                                              Federal Register / Vol. 83, No. 188 / Thursday, September 27, 2018 / Rules and Regulations                                            48705

                                             Costs of Compliance                                        We estimate the following costs to
                                               We estimate that this AD affects 95                    comply with this AD:
                                             engines installed on airplanes of U.S.
                                             registry.
                                                                                                                   ESTIMATED COSTS
                                                                                                                                                                              Cost per        Cost on U.S.
                                                                    Action                                              Labor cost                          Parts cost        product          operators

                                             LPC case A-frame hollow locating pin re-                9.5 work-hours × $85 per hour = $807.50 .....              $453.00         $1,260.50       $119,747.50
                                               placement.



                                             Authority for This Rulemaking                            Procedures (44 FR 11034, February 26,                 (e) Reason
                                                Title 49 of the United States Code                    1979),                                                   This AD was prompted by low-pressure
                                             specifies the FAA’s authority to issue                     (3) Will not affect intrastate aviation             compressor (LPC) case A-frame hollow
                                             rules on aviation safety. Subtitle I,                    in Alaska, and                                        locating pins that may have reduced integrity
                                                                                                                                                            due to incorrect heat treatment. We are
                                             section 106, describes the authority of                    (4) Will not have a significant                     issuing this AD to prevent failure of the
                                             the FAA Administrator. ‘‘Subtitle VII:                   economic impact, positive or negative,                locating pins, engine separation, and loss of
                                             Aviation Programs,’’ describes in more                   on a substantial number of small entities             the airplane.
                                             detail the scope of the Agency’s                         under the criteria of the Regulatory
                                             authority.                                               Flexibility Act.                                      (f) Compliance
                                                We are issuing this rulemaking under                                                                          Comply with this AD within the
                                             the authority described in Subtitle VII,                 List of Subjects in 14 CFR Part 39                    compliance times specified, unless already
                                             Part A, Subpart III, Section 44701:                                                                            done.
                                                                                                        Air transportation, Aircraft, Aviation
                                             ‘‘General requirements.’’ Under that                     safety, Incorporation by reference,                   (g) Required Actions
                                             section, Congress charges the FAA with                   Safety.                                                  (1) For engines installed on-wing, after the
                                             promoting safe flight of civil aircraft in                                                                     effective date of this AD, replace each
                                             air commerce by prescribing regulations                  Adoption of the Amendment
                                                                                                                                                            affected LPC case A-frame hollow locating
                                             for practices, methods, and procedures                     Accordingly, under the authority                    pin, part number (P/N) FK11612, within the
                                             the Administrator finds necessary for                    delegated to me by the Administrator,                 compliance times specified in RR Alert
                                             safety in air commerce. This regulation                  the FAA amends 14 CFR part 39 as                      NMSB RB.211–72–AJ463, Planning
                                             is within the scope of that authority                    follows:                                              Information, Section 1.D.(1), or within 30
                                             because it addresses an unsafe condition                                                                       days after the effective date of this AD,
                                             that is likely to exist or develop on                                                                          whichever occurs later, with a part eligible
                                                                                                      PART 39—AIRWORTHINESS
                                             products identified in this rulemaking                                                                         for installation.
                                                                                                      DIRECTIVES                                               (2) After the effective date of this AD,
                                             action.
                                                This AD is issued in accordance with                                                                        unless already accomplished by paragraph
                                                                                                      ■ 1. The authority citation for part 39               (g)(1) of this AD, at the next engine shop
                                             authority delegated by the Executive                     continues to read as follows:                         visit, replace each affected LPC case A-frame
                                             Director, Aircraft Certification Service,                                                                      hollow locating pin, P/N FK11612, with a
                                             as authorized by FAA Order 8000.51C.                         Authority: 49 U.S.C. 106(g), 40113, 44701.
                                                                                                                                                            part eligible for installation.
                                             In accordance with that order, issuance                  § 39.13   [Amended]                                      (3) Use Section 3, Accomplishment
                                             of ADs is normally a function of the                                                                           Instructions, of RR Alert NMSB RB.211–72–
                                             Compliance and Airworthiness                             ■ 2. The FAA amends § 39.13 by adding                 AJ463, Revision 2, dated June 28, 2017, to
                                             Division, but during this transition                     the following new airworthiness                       perform the replacements required by
                                             period, the Executive Director has                       directive (AD):                                       paragraphs (g)(1) and (2) of this AD.
                                             delegated the authority to issue ADs                     2018–18–15 Rolls-Royce plc: Amendment                 (h) Installation Prohibition
                                             applicable to engines, propellers, and                       39–19394; Docket No. FAA–2017–0650;
                                                                                                                                                              After the effective date of this AD, an
                                             associated appliances to the Manager,                        Product Identifier 2017–NE–19–AD.
                                                                                                                                                            engine with an affected LPC case A-frame
                                             Engine and Propeller Standards Branch,                                                                         hollow location pin, P/N FK11612, may not
                                                                                                      (a) Effective Date
                                             Policy and Innovation Division.                                                                                be installed on an airplane and subsequently
                                                                                                        This AD is effective November 1, 2018.
                                             Regulatory Findings                                                                                            operated. It is permissible to install an engine
                                                                                                      (b) Affected ADs                                      on an airplane with an affected pin if it is
                                               This AD will not have federalism                                                                             replaced with a part eligible for installation
                                                                                                        None.
                                             implications under Executive Order                                                                             before engine operation.
                                             13132. This AD will not have a                           (c) Applicability
                                                                                                                                                            (i) Definitions
                                             substantial direct effect on the States, on                 This AD applies to certain Rolls-Royce plc
                                             the relationship between the national                    (RR) RB211–Trent 875–17, 877–17, 884–17,                 For the purposes of this AD:
                                             government and the States, or on the                     884B–17, 892–17, 892B–17 and 895–17                      (1) An affected part is an LPC case A-frame
                                             distribution of power and                                turbofan engines with an engine serial                hollow locating pin, P/N FK11612, except
                                                                                                      number listed in Section 1.A., Effectivity, of        those with an original RR authorized release
                                             responsibilities among the various                                                                             certificate dated July 5, 2016, or later.
                                                                                                      RR Alert Non-Modification Service Bulletin
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                                             levels of government.                                                                                             (2) A part eligible for installation is an LPC
                                                                                                      (NMSB) RB.211–72–AJ463, Revision 2, dated
                                               For the reasons discussed above, I                     June 28, 2017.                                        case A-frame hollow locating pin, P/N
                                             certify this AD:                                                                                               FK11612, with an original RR authorized
                                               (1) Is not a ‘‘significant regulatory                  (d) Subject                                           release certificate dated July 5, 2016, or later.
                                             action’’ under Executive Order 12866,                      Joint Aircraft System Component (JASC)                 (3) An engine shop visit is when the engine
                                               (2) Is not a ‘‘significant rule’’ under                Code 7230, Turbine Engine Compressor                  is subject to a serviceability check and repair,
                                             the DOT Regulatory Policies and                          Section.                                              rebuild, or overhaul.



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                                             48706            Federal Register / Vol. 83, No. 188 / Thursday, September 27, 2018 / Rules and Regulations

                                             (j) Alternative Methods of Compliance                    DEPARTMENT OF TRANSPORTATION                          Operations (phone: 800–647–5527) is
                                             (AMOCs)                                                                                                        U.S. Department of Transportation,
                                                (1) The Manager, ECO Branch, FAA, has                 Federal Aviation Administration                       Docket Operations, M–30, West
                                             the authority to approve AMOCs for this AD,                                                                    Building Ground Floor, Room W12–140,
                                             if requested using the procedures found in 14            14 CFR Part 39                                        1200 New Jersey Avenue SE,
                                             CFR 39.19. In accordance with 14 CFR 39.19,                                                                    Washington, DC 20590.
                                             send your request to your principal inspector            [Docket No. FAA–2018–0496; Product
                                             or local Flight Standards District Office, as            Identifier 2018–NM–031–AD; Amendment                  FOR FURTHER INFORMATION CONTACT: Tom
                                             appropriate. If sending information directly             39–19414; AD 2018–19–14]                              Rodriguez, Aerospace Engineer,
                                             to the manager of the ECO Branch, send it to                                                                   International Section, Transport
                                                                                                      RIN 2120–AA64
                                             the attention of the person identified in                                                                      Standards Branch, FAA, 2200 South
                                             paragraph (k)(1) of this AD. You may email               Airworthiness Directives; Dassault                    216th Street, Des Moines, WA 98198;
                                             your request to: ANE-AD-AMOC@faa.gov.                                                                          telephone and fax 206–231–3226.
                                                (2) Before using any approved AMOC,                   Aviation Airplanes
                                                                                                                                                            SUPPLEMENTARY INFORMATION:
                                             notify your appropriate principal inspector,             AGENCY:  Federal Aviation
                                             or lacking a principal inspector, the manager                                                                  Discussion
                                                                                                      Administration (FAA), DOT.
                                             of the local flight standards district office/
                                             certificate holding district office.                     ACTION: Final rule.                                     We issued a notice of proposed
                                                                                                                                                            rulemaking (NPRM) to amend 14 CFR
                                             (k) Related Information                                  SUMMARY:    We are adopting a new                     part 39 by adding an AD that would
                                               (1) Kevin M. Clark, Aerospace Engineer,                airworthiness directive (AD) for certain              apply to certain Dassault Aviation
                                             ECO Branch, FAA, 1200 District Avenue,                   Dassault Aviation Model FALCON 2000                   Model FALCON 2000 and FALCON
                                             Burlington, MA 01803; phone: 781–238–                    and FALCON 2000EX airplanes. This                     2000EX airplanes. The NPRM published
                                             7088; fax: 781–238–7199; email:                          AD was prompted by reports of metallic
                                             kevin.m.clark@faa.gov.
                                                                                                                                                            in the Federal Register on June 1, 2018
                                                                                                      debris found in the wing slat piccolo                 (83 FR 25417). The NPRM was
                                               (2) Refer to European Aviation Safety
                                             Agency (EASA) AD 2017–0096, dated June 1,                tubes; investigation revealed that the                prompted by reports of metallic debris
                                             2017, for more information. You may                      debris originated from the flow guide of              found in the wing slat piccolo tubes;
                                             examine the EASA AD in the AD docket on                  the ball joint of the wing anti-ice valve.            investigation revealed that the debris
                                             the internet at http://www.regulations.gov by            This AD requires repetitive inspections               originated from the flow guide of the
                                             searching for and locating it in Docket No.              for metallic debris and damage of the                 ball joint of the wing anti-ice valve. The
                                             FAA–2017–0650.                                           flow guide of the ball joint of the wing              NPRM proposed to require repetitive
                                             (l) Material Incorporated by Reference                   anti-ice valve, and related investigative             inspections for metallic debris and
                                                (1) The Director of the Federal Register              and corrective actions if necessary. We               damage of the flow guide of the ball
                                             approved the incorporation by reference                  are issuing this AD to address the unsafe             joint of the wing anti-ice valve, and
                                             (IBR) of the service information listed in this          condition on these products.                          related investigative and corrective
                                             paragraph under 5 U.S.C. 552(a) and 1 CFR                DATES: This AD is effective November 1,               actions if necessary.
                                             part 51.                                                 2018.                                                   We are issuing this AD to address
                                                (2) You must use this service information                The Director of the Federal Register               restricted airflow of the piccolo tubes,
                                             as applicable to do the actions required by                                                                    leading to insufficient wing anti-ice
                                             this AD, unless the AD specifies otherwise.
                                                                                                      approved the incorporation by reference
                                                (i) Rolls-Royce plc (RR) Alert Non                    of certain publications listed in this AD             capability and significant undetected ice
                                             Modification Service Bulletin RB.211–72–                 as of November 1, 2018.                               accretion on the wing, which could
                                             AJ463, Revision 2, dated June 28, 2017.                  ADDRESSES: For service information                    result in loss of control of the airplane.
                                                (ii) Reserved.                                        identified in this final rule, contact                  The European Aviation Safety Agency
                                                (3) For RR service information identified in          Dassault Falcon Jet Corporation,                      (EASA), which is the Technical Agent
                                             this AD, contact Rolls-Royce plc, Corporate
                                                                                                      Teterboro Airport, P.O. Box 2000, South               for the Member States of the European
                                             Communications, P.O. Box 31, Derby, DE24                                                                       Union, has issued EASA Airworthiness
                                             8BJ, United Kingdom; phone: 011–44–1332–                 Hackensack, NJ 07606; telephone 201–
                                                                                                      440–6700; internet http://                            Directive 2018–0022, dated January 29,
                                             242424; fax: 011–44–1332–249936; email:                                                                        2018 (referred to after this as the
                                             http://www.rolls-royce.com/contact/civil_                www.dassaultfalcon.com. You may
                                             team.jsp; internet: https://customers.rolls-             view this service information at the                  Mandatory Continuing Airworthiness
                                             royce.com/public/rollsroycecare.                         FAA, Transport Standards Branch, 2200                 Information, or ‘‘the MCAI’’), to correct
                                                (4) You may view this service information             South 216th St., Des Moines, WA. For                  an unsafe condition for certain Dassault
                                             at FAA, Engine & Propeller Standards                     information on the availability of this               Aviation Model FALCON 2000 and
                                             Branch, 1200 District Avenue, Burlington,
                                                                                                      material at the FAA, call 206–231–3195.               FALCON 2000EX airplanes. The MCAI
                                             MA 01803. For information on the                                                                               states:
                                             availability of this material at the FAA, call           It is also available on the internet at
                                             781–238–7759.                                            http://www.regulations.gov by searching                 Occurrences were reported on Falcon 2000
                                                (5) You may view this service information             for and locating Docket No. FAA–2018–                 and Falcon 2000EX aeroplanes, where
                                             that is incorporated by reference at the                 0496.                                                 metallic debris was found in slat piccolo
                                             National Archives and Records                                                                                  tubes. The technical investigation revealed
                                             Administration (NARA). For information on                Examining the AD Docket                               that debris originated from the flow guide of
                                                                                                                                                            the ball joint located downstream of the wing
                                             the availability of this material at NARA, call            You may examine the AD docket on                    anti-ice valve. It was also determined that
                                             202–741–6030, or go to: http://                          the internet at http://                               small debris gathers at the end of the piccolo
                                             www.archives.gov/federal-register/cfr/ibr-
                                                                                                      www.regulations.gov by searching for                  tube, but larger pieces of debris may stop
                                             locations.html.
                                                                                                      and locating Docket No. FAA–2018–                     before, in the distribution piping, restricting
                                               Issued in Burlington, Massachusetts, on                0496; or in person at Docket Operations               the airflow and potentially leading to
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                                             September 17, 2018.                                      between 9 a.m. and 5 p.m., Monday                     undetected insufficient wing anti-ice
                                             Robert J. Ganley,                                                                                              capability.
                                                                                                      through Friday, except Federal holidays.                This condition, if not detected and
                                             Manager, Engine and Propeller Standards                  The AD docket contains this final rule,               corrected, could lead to undetected
                                             Branch, Aircraft Certification Service.                  the regulatory evaluation, any                        significant ice accretion on the wing,
                                             [FR Doc. 2018–21032 Filed 9–26–18; 8:45 am]              comments received, and other                          possibly resulting in loss of control of the
                                             BILLING CODE 4910–13–P                                   information. The address for Docket                   aeroplane.



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Document Created: 2018-09-27 01:04:42
Document Modified: 2018-09-27 01:04:42
CategoryRegulatory Information
CollectionFederal Register
sudoc ClassAE 2.7:
GS 4.107:
AE 2.106:
PublisherOffice of the Federal Register, National Archives and Records Administration
SectionRules and Regulations
ActionFinal rule.
DatesThis AD becomes effective November 1, 2018.
ContactKevin 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 Citation83 FR 48703 
RIN Number2120-AA64
CFR AssociatedAir Transportation; Aircraft; Aviation Safety; Incorporation by Reference and Safety

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