Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Turbofan Engines, 24257-24260 [2017-10439]
Download as PDF
Federal Register / Vol. 82, No. 101 / Friday, May 26, 2017 / Proposed Rules
members. Finally, the rule was made
available through the internet by USDA
and the Office of the Federal Register. A
60-day comment period ending
November 16, 2016, was provided to
allow interested persons to respond to
the proposal.
Two comments were received in
support of the proposal. Therefore, no
changes have been made to the
proposed amendment as a result of the
comments received.
Findings and Conclusions
The findings and conclusions and
general findings and determinations
included in the proposed rule set forth
in the September 16, 2016, issue of the
Federal Register are hereby approved
and adopted.
Marketing Order
Annexed hereto and made a part
hereof is the document entitled ‘‘Order
Amending the Order Regulating the
Handling of Walnuts Grown in
California.’’ This document has been
decided upon as the detailed and
appropriate means of effectuating the
foregoing findings and conclusions. It is
hereby ordered, that this entire rule be
published in the Federal Register.
mstockstill on DSK30JT082PROD with PROPOSALS
Referendum Order
It is hereby directed that a referendum
be conducted in accordance with the
procedure for the conduct of referenda
(7 CFR part 900.400–407) to determine
whether the annexed order amending
the order regulating the handling of
Walnuts Grown in California is
approved by growers, as defined under
the terms of the order, who during a
representative period were engaged in
the production of walnuts in the
production area.
The representative period for the
conduct of such referendum is hereby
determined to be September 1, 2015,
through August 31, 2016.
The agents of the Secretary to conduct
such referendum are designated to be
Terry Vawter and Jeffrey Smutny,
California Marketing Field Office,
Marketing Order and Agreement
Division, Specialty Crops Program,
AMS, USDA; Telephone: (559) 487–
5901, or Email: Terry.Vawter@
ams.usda.gov or Jeffrey.Smutny@
ams.usda.gov, respectively.
List of Subjects in 7 CFR Part 984
Walnuts, Marketing agreements,
Reporting and recordkeeping
requirements.
VerDate Sep<11>2014
17:53 May 25, 2017
Jkt 241001
Dated: May 19, 2017.
Bruce Summers,
Acting Administrator, Agricultural Marketing
Service.
Order Amending the Order Regulating
the Handling of Walnuts Grown in
California 1
Findings and Determinations
The findings hereinafter set forth are
supplementary to the findings and
determinations which were previously
made in connection with the issuance of
the marketing order; and all said
previous findings and determinations
are hereby ratified and affirmed, except
insofar as such findings and
determinations may be in conflict with
the findings and determinations set
forth herein.
1. The marketing order, as amended,
and as hereby proposed to be further
amended, and all of the terms and
conditions thereof, would tend to
effectuate the declared policy of the Act;
2. The marketing order, as amended,
and as hereby proposed to be further
amended, regulates the handling of
walnuts grown in California in the same
manner as, and are applicable only to,
persons in the respective classes of
commercial and industrial activity
specified in the marketing order;
3. The marketing order, as amended,
and as hereby proposed to be further
amended, is limited in application to
the smallest regional production area
which is practicable, consistent with
carrying out the declared policy of the
Act, and the issuance of several orders
applicable to subdivisions of the
production area would not effectively
carry out the declared policy of the Act;
4. The marketing order, as amended,
and as hereby proposed to be further
amended, prescribe, insofar as
practicable, such different terms
applicable to different parts of the
production area as are necessary to give
due recognition to the differences in the
production and marketing of walnuts
produced in the production area; and
5. All handling of walnuts produced
in the production area as defined in the
marketing order is in the current of
interstate or foreign commerce or
directly burdens, obstructs, or affects
such commerce.
Order Relative to Handling
It is therefore ordered, that on and
after the effective date hereof, all
handling of walnuts grown in California
1 This order shall not become effective unless and
until the requirements of § 900.14 of the rules of
practice and procedure governing proceedings to
formulate marketing agreements and marketing
orders have been met.
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24257
shall be in conformity to, and in
compliance with, the terms and
conditions of the said order as hereby
proposed to be amended as follows:
The provisions of the proposed
marketing order amending the order
contained in the proposed rule issued
by the Administrator on September 12,
2016, and published in the Federal
Register (81 FR 63721) on September
16, 2016, will be and are the terms and
provisions of this order amending the
order and are set forth in full herein.
PART 984—WALNUTS GROWN IN
CALIFORNIA
1. The authority citation for 7 CFR
part 984 continues to read as follows:
■
Authority: 7 U.S.C. 601–674.
2. Amend 984.69 by redesignating
paragraph (d) as (e) and adding a new
paragraph (d) to read as follows:
■
§ 984.69
Assessments.
*
*
*
*
*
(d) To provide funds for the
administration of the provisions of this
part during the part of a fiscal period
when neither sufficient operating
reserve funds nor sufficient revenue
from assessments on the current
season’s certifications are available, the
Board may accept payment of
assessments in advance or may borrow
money from a commercial lending
institution for such purposes.
*
*
*
*
*
[FR Doc. 2017–10676 Filed 5–25–17; 8:45 am]
BILLING CODE 3410–02–P
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA–2017–0140; Directorate
Identifier 2017–NE–05–AD]
RIN 2120–AA64
Airworthiness Directives; Rolls-Royce
Deutschland Ltd & Co KG Turbofan
Engines
Federal Aviation
Administration (FAA), DOT.
ACTION: Notice of proposed rulemaking
(NPRM).
AGENCY:
We propose to adopt a new
airworthiness directive (AD) for certain
Rolls-Royce Deutschland Ltd & Co KG
(RRD) model Tay 620–15 turbofan
engines. This proposed AD was
prompted by RRD recalculating the life
limit for certain high-pressure
compressor (HPC) stage 12 rotor disks.
SUMMARY:
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Federal Register / Vol. 82, No. 101 / Friday, May 26, 2017 / Proposed Rules
This proposed AD would require
reducing the maximum approved life
limit. We are proposing this AD to
correct the unsafe condition on these
products.
DATES: We must receive comments on
this NPRM by July 10, 2017.
ADDRESSES: You may send comments by
any of the following methods:
• Federal eRulemaking Portal: Go to
https://www.regulations.gov. Follow the
instructions for submitting comments.
• Mail: Docket Management Facility,
U.S. Department of Transportation, 1200
New Jersey Avenue SE., West Building
Ground Floor, Room W12–140,
Washington, DC 20590–0001.
• Hand Delivery: Deliver to Mail
address above between 9 a.m. and 5
p.m., Monday through Friday, except
Federal holidays.
• Fax: 202–493–2251.
For service information identified in
this proposed AD, contact Rolls-Royce
Deutschland Ltd & Co KG, Eschenweg
11–15827 Dahlewitz, BlankenfeldeMahlow, Germany; phone: +49 0 33–
7086–1944; fax: +49 0 33–7086–3276.
You may view this service information
at the FAA, Engine & Propeller
Directorate, 1200 District Avenue,
Burlington, MA 01803. For information
on the availability of this material at the
FAA, call 781–238–7125.
Examining the AD Docket
You may examine the AD docket on
the Internet at https://
www.regulations.gov by searching for
and locating Docket No. FAA–2017–
0140; or in person at the Docket
Operations office between 9 a.m. and 5
p.m., Monday through Friday, except
Federal holidays. The AD docket
contains this proposed AD, the
mandatory continuing airworthiness
information (MCAI), the regulatory
evaluation, any comments received, and
other information. The address for the
Docket Office (phone: 800–647–5527) is
in the ADDRESSES section. Comments
will be available in the AD docket
shortly after receipt.
FOR FURTHER INFORMATION CONTACT:
Robert Green, Aerospace Engineer,
Engine Certification Office, FAA, Engine
& Propeller Directorate, 1200 District
Avenue, Burlington, MA 01803; phone:
781–238–7754; fax: 781–238–7199;
email: robert.green@faa.gov.
SUPPLEMENTARY INFORMATION:
Comments Invited
We invite you to send any written
relevant data, views, or arguments about
this proposed AD. Send your comments
to an address listed under the
ADDRESSES section. Include ‘‘Docket No.
FAA–2017–0140; Directorate Identifier
2017–NE–05–AD’’ at the beginning of
your comments. We specifically invite
comments on the overall regulatory,
economic, environmental, and energy
aspects of this proposed AD. We will
consider all comments received by the
closing date and may amend this
proposed AD because of those
comments.
We will post all comments we
receive, without change, to https://
www.regulations.gov, including any
personal information you provide. We
will also post a report summarizing each
substantive verbal contact with FAA
personnel concerning this proposed AD.
Discussion
The European Aviation Safety Agency
(EASA), which is the Technical Agent
for the Member States of the European
Community, has issued EASA AD 2017–
0010, dated January 16, 2017 (referred to
hereinafter as ‘‘the MCAI’’), to correct an
unsafe condition for the specified
products. The MCAI states:
Based on revised stress analysis and life
calculation, Rolls-Royce Deutschland (RRD)
determined new provisional life limits for
HPC stage 12 rotor disc Part Number (P/N)
JR18449, reducing the maximum approved
life limit defined in the Tay 620–15 and Tay
620–15/20 engine Time Limits Manual
(TLM), Chapter 05–10–01, Task 05–10–01–
800–000, currently at revision dated 15
September 2014. Failure to replace a HPC
stage 12 rotor disc P/N JR18449, before
exceeding the thresholds defined by this AD,
could lead to an uncontained HPC stage 12
rotor disc failure, possibly resulting in
damage to, and/or reduced control of, the
aeroplane.
You may obtain further information
by examining the MCAI in the AD
docket on the Internet at https://
www.regulations.gov by searching for
and locating Docket No. FAA–2017–
0140.
Related Service Information
RRD has issued Alert NonModification Service Bulletin (NMSB)
TAY–72–A1813, dated October 11,
2016. The Alert NMSB provides
instructions to determine or re-calculate
the consumed and remaining service
life. 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.
FAA’s Determination and Requirements
of This Proposed AD
This product has been approved by
the aviation authority of Germany, and
is approved for operation in the United
States. Pursuant to our bilateral
agreement with the European
Community, EASA has notified us of
the unsafe condition described in the
MCAI and service information
referenced above. We are proposing this
AD because we evaluated all
information provided by EASA and
determined the unsafe condition exists
and is likely to exist or develop on other
products of the same type design. This
proposed AD would require reducing
the maximum approved life limit for
HPC stage 12 rotor disk, part number
JR18449.
Costs of Compliance
We estimate that this proposed AD
affects 25 engines installed on airplanes
of U.S. registry.
We estimate the following costs to
comply with this proposed AD:
ESTIMATED COSTS
Labor cost
Pro-rated life ...................................................
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Action
1 work-hour × $85 per hour = $85 .................
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:
VerDate Sep<11>2014
17:53 May 25, 2017
Jkt 241001
Parts cost
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:
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Sfmt 4702
$3,858
Cost per
product
$3,943
Cost on U.S.
operators
$98,575
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
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Federal Register / Vol. 82, No. 101 / Friday, May 26, 2017 / Proposed Rules
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.
(e) Reason
The Proposed Amendment
Regulatory Findings
PART 39—AIRWORTHINESS
DIRECTIVES
We determined that this proposed AD
would not have federalism implications
under Executive Order 13132. This
proposed AD would 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 proposed regulation:
(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 to the extent that it justifies
making a regulatory distinction, 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.
Accordingly, under the authority
delegated to me by the Administrator,
the FAA proposes to amend 14 CFR part
39 as follows:
This AD was prompted by RRD
recalculating the life limit for HPC stage 12
rotor disk P/N JR18449. We are issuing this
AD to prevent failure of the HPC stage 12
rotor disk, uncontained HPC stage 12 rotor
disk release, damage to the engine, and
damage to the airplane.
(f) Compliance
1. The authority citation for part 39
continues to read as follows:
■
Authority: 49 U.S.C. 106(g), 40113, 44701.
§ 39.13
24259
[Amended]
2. The FAA amends § 39.13 by adding
the following new airworthiness
directive (AD):
■
Rolls-Royce Deutschland Ltd & Co KG:
Docket No. FAA–2017–0140; Directorate
Identifier 2017–NE–05–AD.
(a) Comments Due Date
We must receive comments by July 10,
2017.
(b) Affected ADs
None.
List of Subjects in 14 CFR Part 39
(c) Applicability
This AD applies to Rolls-Royce
Deutschland Ltd & Co KG (RRD) model Tay
620–15 turbofan engines with high-pressure
compressor (HPC) modules M03100AA, or
M03100AB, or M03100AC and HPC stage 12
rotor disk part number (P/N) JR18449
installed.
Air transportation, Aircraft, Aviation
safety, Incorporation by reference,
Safety.
(d) Subject
Joint Aircraft System Component (JASC)
7230, Turbine Engine Compressor Section.
Comply with this AD within the
compliance times specified, unless already
done.
(g) Required Actions
(1) Within 30 days after the effective date
of this AD, determine whether the HPC stage
12 rotor disk has operated in both flight
profiles A and B. If the rotor disk was
operated, or is operating, in both flight
profiles A and B, re-calculate the consumed
cyclic life using 16,700 flight cycles (FC) as
the maximum approved life limit for flight
profile B.
(2) After the effective date of this AD, the
maximum approved life limit for affected
rotor disks operating in flight profile B is
16,700 FC. Calculate the consumed cyclic life
accumulated since new using 16,700 FC as
the maximum approved life limit for flight
profile B.
(3) For those engines operating in flight
profile B with an HPC stage 12 rotor disk P/
N JR18449 installed, that do not have an
engine shop visit after the effective date of
this AD before the re-calculated consumed
cyclic life of the HPC stage 12 disk exceeds
16,700 FC, remove the affected rotor disk
from service before the re-calculated
consumed cyclic life exceeds the threshold(s)
defined in Figure 1 to paragraph (g) of this
AD.
FIGURE 1 TO PARAGRAPH (g)—REMOVE AFFECTED ROTOR DISKS FROM SERVICE
Recalculated consumed cyclic life on the effective date of this AD
Remove affected rotor disks from service
(i) less than 15,700 FC .............................................................................
(ii) 15,700 FC or more, but less than 16,700 FC .....................................
Before exceeding 16,700 FC since new
Either:
(A) Within 1,000 FC or 19 months after the effective date of this
AD, whichever occurs first; or
(B) Before exceeding 16,700 FC since new,
whichever occurs later.
Either:
(A) Within 1,000 FC after the effective date of this AD, or
(B) Before exceeding 20,000 FC since new, or
(C) Within 19 months after the effective date of this AD,
whichever occurs first.
(iii) 16,700 FC or more .............................................................................
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(h) Installation Prohibition
After the effective date of this AD,
installation of a serviceable spare engine or
release to service of an engine after any shop
visit, is allowed, provided the installed HPC
stage 12 rotor disk, P/N JR18449, is a
serviceable part.
(j) Alternative Methods of Compliance
(AMOCs)
The Manager, Engine Certification Office,
FAA, may approve AMOCs for this AD. Use
the procedures found in 14 CFR 39.19 to
make your request. You may email your
request to: ANE-AD-AMOC@faa.gov.
(i) Definition
(k) Related Information
For the purpose of this AD, a serviceable
part is an HPC stage 12 rotor disk, P/N
JR18449, that has not exceeded 20,500 FC for
flight profile A or 16,700 FC for flight profile
B, as applicable to engine operation.
(1) For more information about this AD,
contact Robert Green, Aerospace Engineer,
Engine Certification Office, FAA, Engine &
Propeller Directorate, 1200 District Avenue,
Burlington, MA 01803; phone: 781–238–
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17:53 May 25, 2017
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7754; fax: 781–238–7199; email:
Robert.Green@faa.gov.
(2) Refer to MCAI European Aviation
Safety Agency (EASA), AD 2017–0010, dated
January 16, 2017, for more information. You
may examine the MCAI in the AD docket on
the Internet at https://www.regulations.gov by
searching for and locating it in Docket No.
FAA–2017–0140.
(3) RRD Alert Non-Modification Service
Bulletin (NMSB) TAY–72–A1813, dated
October 11, 2016, can be obtained from RRD,
using the contact information in paragraph
(k)(4) of this proposed AD.
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Federal Register / Vol. 82, No. 101 / Friday, May 26, 2017 / Proposed Rules
(4) For service information identified in
this proposed AD, contact Rolls-Royce
Deutschland Ltd & Co KG, Eschenweg 11–
15827 Dahlewitz, Blankenfelde-Mahlow,
Germany; phone: +49 0 33–7086–1944; fax:
+49 0 33–7086–3276.
(5) You may view this service information
at the FAA, Engine & Propeller Directorate,
1200 District Avenue, Burlington, MA. For
information on the availability of this
material at the FAA, call 781–238–7125.
Issued in Burlington, Massachusetts, on
May 3, 2017.
Robert J. Ganley,
Acting Manager, Engine & Propeller
Directorate, Aircraft Certification Service.
[FR Doc. 2017–10439 Filed 5–25–17; 8:45 am]
BILLING CODE 4910–13–P
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
Examining the AD Docket
14 CFR Part 39
[Docket No. FAA–2017–0439; Directorate
Identifier 2017–CE–010–AD]
RIN 2120–AA64
Airworthiness Directives; B/E
Aerospace Protective Breathing
Equipment Part Number 119003–11
and Part Number 119003–21
Federal Aviation
Administration (FAA), DOT.
ACTION: Notice of proposed rulemaking
(NPRM).
AGENCY:
We propose to supersede
Airworthiness Directive (AD) 2016–11–
20, which applies to certain B/E
Aerospace protective breathing
equipment (PBE) that is installed on
airplanes. AD 2016–11–20 requires
replacing part number (P/N) 119003–11
PBE units. Since we issued AD 2016–
11–20, we received a report that PBE
units, P/N 119003–21, within a certain
serial number range are made with
candle tube material determined to have
a low yield strength and may be volatile
upon use or disposal. This proposed AD
would retain the actions required in AD
2016–11–20 and would require
inspecting and replacing P/N 119003–11
and 119003–21 PBE units. We are
proposing this AD to correct the unsafe
condition on these products.
DATES: We must receive comments on
this proposed AD by July 10, 2017.
ADDRESSES: You may send comments,
using the procedures found in 14 CFR
11.43 and 11.45, by any of the following
methods:
• Federal eRulemaking Portal: Go to
https://www.regulations.gov. Follow the
instructions for submitting comments.
• Fax: 202–493–2251.
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SUMMARY:
VerDate Sep<11>2014
17:53 May 25, 2017
• Mail: U.S. Department of
Transportation, Docket Operations, M–
30, West Building Ground Floor, Room
W12–140, 1200 New Jersey Avenue SE.,
Washington, DC 20590.
• Hand Delivery: Deliver to Mail
address above between 9 a.m. and 5
p.m., Monday through Friday, except
Federal holidays.
For service information identified in
this NPRM, contact B/E Aerospace, Inc.,
Commercial Aircraft Products Group,
10800 Pflumm Road, Lenexa, Kansas
66215; phone: (913) 338–9800; fax: (913)
338–8419; Internet:
www.beaerospace.com. You may view
this referenced service information at
the FAA, Small Airplane Directorate,
901 Locust, Kansas City, Missouri
64106. For information on the
availability of this material at the FAA,
call (816) 329–4148.
Jkt 241001
You may examine the AD docket on
the Internet at https://
www.regulations.gov by searching for
and locating Docket No. FAA–2017–
0439; or in person at the Docket
Management Facility between 9 a.m.
and 5 p.m., Monday through Friday,
except Federal holidays. The AD docket
contains this proposed AD, the
regulatory evaluation, any comments
received, and other information. The
street address for the Docket Office
(phone: 800–647–5527) is in the
ADDRESSES section. Comments will be
available in the AD docket shortly after
receipt.
FOR FURTHER INFORMATION CONTACT:
David Enns, Aerospace Engineer,
Wichita Aircraft Certification Office,
FAA, 1801 S. Airport Road, Room 100,
Wichita, Kansas 67209; phone: (316)
946–4147; fax: (316) 946–4107; email:
david.enns@faa.gov.
SUPPLEMENTARY INFORMATION:
Comments Invited
We invite you to send any written
relevant data, views, or arguments about
this proposed AD. Send your comments
to an address listed under the
ADDRESSES section. Include ‘‘Docket No.
FAA–2017–0439; Directorate Identifier
2017–CE–010–AD’’ at the beginning of
your comments. We specifically invite
comments on the overall regulatory,
economic, environmental, and energy
aspects of this proposed AD. We will
consider all comments received by the
closing date and may amend this
proposed AD because of those
comments.
We will post all comments we
receive, without change, to https://
www.regulations.gov, including any
PO 00000
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Fmt 4702
Sfmt 4702
personal information you provide. We
will also post a report summarizing each
substantive verbal contact we receive
about this proposed AD.
Discussion
On May 25, 2016, we issued AD
2016–11–20, Amendment 39–18547 (81
FR 37492, June 10, 2016), (‘‘AD 2016–
11–20’’), for B/E Aerospace Protective
Breathing Equipment (PBE), part
number (P/N) 119003–11, that is
installed on airplanes. AD 2016–11–20
requires replacing all PBE, P/N 119003–
11, with PBE, P/N 119003–21. AD 2016–
11–20 resulted from a report of a PBE
unit, P/N 119003–11, catching fire upon
activation by a crewmember. We issued
AD 2016–11–20 to correct the unsafe
condition on these products.
Actions Since AD 2016–11–20 Was
Issued
Since we issued AD 2016–11–20, we
received a report that a mechanic
incurred a minor injury when he
activated the affected PBE unit as part
of the disposal process. The igniter
candle in the PBE supplies the user with
oxygen during the first 20 seconds after
activation. For PBE units with a serial
number within the serial number range
identified in this proposed AD, the
candle tube material was determined to
have a low yield strength. This can
result in inadequate retention of the end
fitting during activation, and the candle
may eject from the PBE as a high speed
projectile.
Related Service Information Under 1
CFR Part 51
We reviewed B/E Aerospace Service
Bulletin No. 119003–35–011, Rev. 000,
dated February 4, 2015; Service Bulletin
119003–35–009, Rev. 001, dated April
12, 2016; and Service Bulletin No.
119003–35–013, Rev. 001, dated
February 24, 2017. B/E Aerospace
Service Bulletin No. 119003–35–011,
Rev. 000, dated February 4, 2015,
describes procedures for inspecting
PBE, P/N 119003–11, to determine if the
vacuum seal of the pouch containing the
PBE is compromised; B/E Aerospace
Service Bulletin No. 119003–35–009,
Rev. 001, dated April 12, 2016,
describes procedures for replacing PBE,
P/N 119003–11 with P/N 119003–21;
and B/E Aerospace Service Bulletin No.
119003–35–013, Rev. 001, dated
February 24, 2017, describes procedures
for inspecting PBE P/N 119003–21 to
determine the serial number and
replacing any within the specified serial
number range. This service information
is reasonably available because the
interested parties have access to it
through their normal course of business
E:\FR\FM\26MYP1.SGM
26MYP1
Agencies
[Federal Register Volume 82, Number 101 (Friday, May 26, 2017)]
[Proposed Rules]
[Pages 24257-24260]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2017-10439]
=======================================================================
-----------------------------------------------------------------------
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2017-0140; Directorate Identifier 2017-NE-05-AD]
RIN 2120-AA64
Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG
Turbofan Engines
AGENCY: Federal Aviation Administration (FAA), DOT.
ACTION: Notice of proposed rulemaking (NPRM).
-----------------------------------------------------------------------
SUMMARY: We propose to adopt a new airworthiness directive (AD) for
certain Rolls-Royce Deutschland Ltd & Co KG (RRD) model Tay 620-15
turbofan engines. This proposed AD was prompted by RRD recalculating
the life limit for certain high-pressure compressor (HPC) stage 12
rotor disks.
[[Page 24258]]
This proposed AD would require reducing the maximum approved life
limit. We are proposing this AD to correct the unsafe condition on
these products.
DATES: We must receive comments on this NPRM by July 10, 2017.
ADDRESSES: You may send comments by any of the following methods:
Federal eRulemaking Portal: Go to https://www.regulations.gov. Follow the instructions for submitting comments.
Mail: Docket Management Facility, U.S. Department of
Transportation, 1200 New Jersey Avenue SE., West Building Ground Floor,
Room W12-140, Washington, DC 20590-0001.
Hand Delivery: Deliver to Mail address above between 9
a.m. and 5 p.m., Monday through Friday, except Federal holidays.
Fax: 202-493-2251.
For service information identified in this proposed AD, contact
Rolls-Royce Deutschland Ltd & Co KG, Eschenweg 11-15827 Dahlewitz,
Blankenfelde-Mahlow, Germany; phone: +49 0 33-7086-1944; fax: +49 0 33-
7086-3276. You may view this service information at the FAA, Engine &
Propeller Directorate, 1200 District Avenue, Burlington, MA 01803. For
information on the availability of this material at the FAA, call 781-
238-7125.
Examining the AD Docket
You may examine the AD docket on the Internet at https://www.regulations.gov by searching for and locating Docket No. FAA-2017-
0140; or in person at the Docket Operations office between 9 a.m. and 5
p.m., Monday through Friday, except Federal holidays. The AD docket
contains this proposed AD, the mandatory continuing airworthiness
information (MCAI), the regulatory evaluation, any comments received,
and other information. The address for the Docket Office (phone: 800-
647-5527) is in the ADDRESSES section. Comments will be available in
the AD docket shortly after receipt.
FOR FURTHER INFORMATION CONTACT: Robert Green, Aerospace Engineer,
Engine Certification Office, FAA, Engine & Propeller Directorate, 1200
District Avenue, Burlington, MA 01803; phone: 781-238-7754; fax: 781-
238-7199; email: robert.green@faa.gov.
SUPPLEMENTARY INFORMATION:
Comments Invited
We invite you to send any written relevant data, views, or
arguments about this proposed AD. Send your comments to an address
listed under the ADDRESSES section. Include ``Docket No. FAA-2017-0140;
Directorate Identifier 2017-NE-05-AD'' at the beginning of your
comments. We specifically invite comments on the overall regulatory,
economic, environmental, and energy aspects of this proposed AD. We
will consider all comments received by the closing date and may amend
this proposed AD because of those comments.
We will post all comments we receive, without change, to https://www.regulations.gov, including any personal information you provide. We
will also post a report summarizing each substantive verbal contact
with FAA personnel concerning this proposed AD.
Discussion
The European Aviation Safety Agency (EASA), which is the Technical
Agent for the Member States of the European Community, has issued EASA
AD 2017-0010, dated January 16, 2017 (referred to hereinafter as ``the
MCAI''), to correct an unsafe condition for the specified products. The
MCAI states:
Based on revised stress analysis and life calculation, Rolls-
Royce Deutschland (RRD) determined new provisional life limits for
HPC stage 12 rotor disc Part Number (P/N) JR18449, reducing the
maximum approved life limit defined in the Tay 620-15 and Tay 620-
15/20 engine Time Limits Manual (TLM), Chapter 05-10-01, Task 05-10-
01-800-000, currently at revision dated 15 September 2014. Failure
to replace a HPC stage 12 rotor disc P/N JR18449, before exceeding
the thresholds defined by this AD, could lead to an uncontained HPC
stage 12 rotor disc failure, possibly resulting in damage to, and/or
reduced control of, the aeroplane.
You may obtain further information by examining the MCAI in the AD
docket on the Internet at https://www.regulations.gov by searching for
and locating Docket No. FAA-2017-0140.
Related Service Information
RRD has issued Alert Non-Modification Service Bulletin (NMSB) TAY-
72-A1813, dated October 11, 2016. The Alert NMSB provides instructions
to determine or re-calculate the consumed and remaining service life.
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.
FAA's Determination and Requirements of This Proposed AD
This product has been approved by the aviation authority of
Germany, and is approved for operation in the United States. Pursuant
to our bilateral agreement with the European Community, EASA has
notified us of the unsafe condition described in the MCAI and service
information referenced above. We are proposing this AD because we
evaluated all information provided by EASA and determined the unsafe
condition exists and is likely to exist or develop on other products of
the same type design. This proposed AD would require reducing the
maximum approved life limit for HPC stage 12 rotor disk, part number
JR18449.
Costs of Compliance
We estimate that this proposed AD affects 25 engines installed on
airplanes of U.S. registry.
We estimate the following costs to comply with this proposed AD:
Estimated Costs
----------------------------------------------------------------------------------------------------------------
Cost per Cost on U.S.
Action Labor cost Parts cost product operators
----------------------------------------------------------------------------------------------------------------
Pro-rated life........................ 1 work-hour x $85 per $3,858 $3,943 $98,575
hour = $85.
----------------------------------------------------------------------------------------------------------------
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
[[Page 24259]]
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.
Regulatory Findings
We determined that this proposed AD would not have federalism
implications under Executive Order 13132. This proposed AD would 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 proposed
regulation:
(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 to the extent
that it justifies making a regulatory distinction, 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.
The Proposed Amendment
Accordingly, under the authority delegated to me by the
Administrator, the FAA proposes to amend 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):
Rolls-Royce Deutschland Ltd & Co KG: Docket No. FAA-2017-0140;
Directorate Identifier 2017-NE-05-AD.
(a) Comments Due Date
We must receive comments by July 10, 2017.
(b) Affected ADs
None.
(c) Applicability
This AD applies to Rolls-Royce Deutschland Ltd & Co KG (RRD)
model Tay 620-15 turbofan engines with high-pressure compressor
(HPC) modules M03100AA, or M03100AB, or M03100AC and HPC stage 12
rotor disk part number (P/N) JR18449 installed.
(d) Subject
Joint Aircraft System Component (JASC) 7230, Turbine Engine
Compressor Section.
(e) Reason
This AD was prompted by RRD recalculating the life limit for HPC
stage 12 rotor disk P/N JR18449. We are issuing this AD to prevent
failure of the HPC stage 12 rotor disk, uncontained HPC stage 12
rotor disk release, damage to the engine, and damage to the
airplane.
(f) Compliance
Comply with this AD within the compliance times specified,
unless already done.
(g) Required Actions
(1) Within 30 days after the effective date of this AD,
determine whether the HPC stage 12 rotor disk has operated in both
flight profiles A and B. If the rotor disk was operated, or is
operating, in both flight profiles A and B, re-calculate the
consumed cyclic life using 16,700 flight cycles (FC) as the maximum
approved life limit for flight profile B.
(2) After the effective date of this AD, the maximum approved
life limit for affected rotor disks operating in flight profile B is
16,700 FC. Calculate the consumed cyclic life accumulated since new
using 16,700 FC as the maximum approved life limit for flight
profile B.
(3) For those engines operating in flight profile B with an HPC
stage 12 rotor disk P/N JR18449 installed, that do not have an
engine shop visit after the effective date of this AD before the re-
calculated consumed cyclic life of the HPC stage 12 disk exceeds
16,700 FC, remove the affected rotor disk from service before the
re-calculated consumed cyclic life exceeds the threshold(s) defined
in Figure 1 to paragraph (g) of this AD.
Figure 1 to Paragraph (g)--Remove Affected Rotor Disks From Service
------------------------------------------------------------------------
Recalculated consumed cyclic life on Remove affected rotor disks
the effective date of this AD from service
------------------------------------------------------------------------
(i) less than 15,700 FC................ Before exceeding 16,700 FC
since new
(ii) 15,700 FC or more, but less than Either:
16,700 FC. (A) Within 1,000 FC or 19
months after the effective
date of this AD, whichever
occurs first; or
(B) Before exceeding 16,700
FC since new,
whichever occurs later.
(iii) 16,700 FC or more................ Either:
(A) Within 1,000 FC after
the effective date of this
AD, or
(B) Before exceeding 20,000
FC since new, or
(C) Within 19 months after
the effective date of this
AD,
whichever occurs first.
------------------------------------------------------------------------
(h) Installation Prohibition
After the effective date of this AD, installation of a
serviceable spare engine or release to service of an engine after
any shop visit, is allowed, provided the installed HPC stage 12
rotor disk, P/N JR18449, is a serviceable part.
(i) Definition
For the purpose of this AD, a serviceable part is an HPC stage
12 rotor disk, P/N JR18449, that has not exceeded 20,500 FC for
flight profile A or 16,700 FC for flight profile B, as applicable to
engine operation.
(j) Alternative Methods of Compliance (AMOCs)
The Manager, Engine Certification Office, FAA, may approve AMOCs
for this AD. Use the procedures found in 14 CFR 39.19 to make your
request. You may email your request to: ANE-AD-AMOC@faa.gov.
(k) Related Information
(1) For more information about this AD, contact Robert Green,
Aerospace Engineer, Engine Certification Office, FAA, Engine &
Propeller Directorate, 1200 District Avenue, Burlington, MA 01803;
phone: 781-238-7754; fax: 781-238-7199; email: Robert.Green@faa.gov.
(2) Refer to MCAI European Aviation Safety Agency (EASA), AD
2017-0010, dated January 16, 2017, for more information. You may
examine the MCAI in the AD docket on the Internet at https://www.regulations.gov by searching for and locating it in Docket No.
FAA-2017-0140.
(3) RRD Alert Non-Modification Service Bulletin (NMSB) TAY-72-
A1813, dated October 11, 2016, can be obtained from RRD, using the
contact information in paragraph (k)(4) of this proposed AD.
[[Page 24260]]
(4) For service information identified in this proposed AD,
contact Rolls-Royce Deutschland Ltd & Co KG, Eschenweg 11-15827
Dahlewitz, Blankenfelde-Mahlow, Germany; phone: +49 0 33-7086-1944;
fax: +49 0 33-7086-3276.
(5) You may view this service information at the FAA, Engine &
Propeller Directorate, 1200 District Avenue, Burlington, MA. For
information on the availability of this material at the FAA, call
781-238-7125.
Issued in Burlington, Massachusetts, on May 3, 2017.
Robert J. Ganley,
Acting Manager, Engine & Propeller Directorate, Aircraft Certification
Service.
[FR Doc. 2017-10439 Filed 5-25-17; 8:45 am]
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