[Federal Register Volume 79, Number 75 (Friday, April 18, 2014)]
[Rules and Regulations]
[Pages 21845-21846]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2014-08733]
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DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2013-0884; Directorate Identifier 2013-NE-31-AD;
Amendment 39-17829; AD 2014-08-05]
RIN 2120-AA64
Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG
Turbofan Engines
AGENCY: Federal Aviation Administration (FAA), DOT.
ACTION: Final rule.
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SUMMARY: We are adopting a new airworthiness directive (AD) for all
Rolls-Royce Deutschland Ltd & Co KG (RRD) BR700-715A1-30, BR700-715B1-
30, and BR700-715C1-30 turbofan engines. This AD requires replacement
of the low-pressure compressor (LPC) case ice impact panels. This AD
was prompted by a report of a partial de-bonding of the LPC case ice
impact panels during an engine shop visit. We are issuing this AD to
prevent failure of the LPC case ice impact panels, which could result
in damage to the engine and loss of control of the airplane.
DATES: This AD becomes effective May 23, 2014.
ADDRESSES: The Docket Operations office is located at Docket Management
Facility, U.S. Department of Transportation, 1200 New Jersey Avenue
SE., West Building Ground Floor, Room W12-140, Washington, DC 20590-
0001.
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-2013-
0884; 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 AD, the mandatory continuing airworthiness information
(MCAI), the regulatory evaluation, any comments received, and other
information. The street address for the Docket Operations office
(phone: 800-647-5527) is provided in the ADDRESSES section. Comments
will be available in the AD docket shortly after receipt.
FOR FURTHER INFORMATION CONTACT: Rose Len, Aerospace Engineer, Engine
Certification Office, FAA, Engine & Propeller Directorate, 12 New
England Executive Park, Burlington, MA 01803; phone: 781-238-7772; fax:
781-238-7199; email: [email protected].
SUPPLEMENTARY INFORMATION:
Discussion
We issued a notice of proposed rulemaking (NPRM) to amend 14 CFR
part 39 by adding an AD that would apply to the specified products. The
NPRM was published in the Federal Register on December 23, 2013 (78 FR
77382). The NPRM proposed to correct an unsafe condition for the
specified products. The MCAI states:
Partial de-bonding of the low-pressure compressor case ice
impact panels was reported during engine shop visit.
This condition, if not corrected, could lead to ice impact panel
de-bonding, resulting, in case of an impact event and release of
particles, in blockage of the outlet guide vane and consequent
potential loss of thrust or reduced fan flutter margin.
To address this potential unsafe condition, RRD issued Alert Non
Modification Service Bulletin (NMSB) SB-BR700-72-A900281 to provide
instructions for a one-time ice impact panel replacement using an
improved repair method.
You may examine the MCAI in the AD docket on the Internet at http://www.regulations.gov/#!documentDetail;D=FAA-2013-0884-0002.
Comments
We gave the public the opportunity to participate in developing
this AD. We received no comments on the NPRM (78 FR 77382, December 23,
2013).
Conclusion
We reviewed the available data and determined that air safety and
the public interest require adopting this AD as proposed.
[[Page 21846]]
Costs of Compliance
We estimate that this AD will affect about 232 engines installed on
aircraft of U.S. registry. We also estimate that it will take about 24
hours per engine to comply with this AD. The average labor rate is $85
per hour. Required parts will cost about $9,268 per engine. Based on
these figures, we estimate the cost of this AD on U.S. operators to be
$2,623,456.
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.
Regulatory Findings
We determined that this AD will not have federalism implications
under Executive Order 13132. This AD will not have a substantial direct
effect on the States, on the relationship between the national
government and the States, or on the distribution of power and
responsibilities among the various levels of government.
For the reasons discussed above, I certify 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 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.
We prepared a regulatory evaluation of the estimated costs to
comply with this AD and placed it in the AD docket.
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):
2014-08-05 Rolls-Royce Deutschland Ltd & Co KG (Type Certificate
previously held by Rolls-Royce Deutschland GmbH and BMW Rolls-Royce
GmbH): Amendment 39-17829; Docket No. FAA-2013-0884; Directorate
Identifier 2013-NE-31-AD.
(a) Effective Date
This AD becomes effective May 23, 2014.
(b) Affected ADs
None.
(c) Applicability
This AD applies to all Rolls-Royce Deutschland Ltd & Co KG (RRD)
BR700-715A1-30, BR700-715B1-30, and BR700-715C1-30 turbofan engines.
(d) Reason
This AD was prompted by a report of a partial de-bonding of the
low-pressure compressor (LPC) case ice impact panels during an
engine shop visit. We are issuing this AD to prevent failure of the
LPC case ice impact panels, which could result in damage to the
engine and loss of control of the airplane.
(e) Actions and Compliance
Unless already done, after the effective date of this AD, at the
next engine shop visit or within 12,500 engine flight cycles since
the last shop visit, whichever occurs first, replace the four LPC
ice impact panels with panels eligible for installation.
(f) Definitions
(1) For the purposes of this AD, an ``engine shop visit'' is the
induction of an engine into the shop for maintenance involving the
separation of pairs of major mating engine flanges. The separation
of engine flanges solely for the purpose of transportation without
subsequent engine maintenance does not constitute an engine shop
visit.
(2) For the purposes of this AD, a panel that is ``eligible for
installation'' is a new LPC impact panel or one that has been
repaired using RRD Alert Non-Modification Service Bulletin (NMSB)
No. ALERT SB-BR700-72-A900281, dated July 1, 2013.
(g) Alternative Methods of Compliance (AMOCs)
The Manager, Engine Certification Office, FAA, may approve AMOCs
to this AD. Use the procedures found in 14 CFR 39.19 to make your
request.
(h) Related Information
(1) For more information about this AD, contact Rose Len,
Aerospace Engineer, Engine Certification Office, FAA, Engine &
Propeller Directorate, 12 New England Executive Park, Burlington, MA
01803; phone: 781-238-7772; fax: 781-238-7199; email:
[email protected].
(2) Refer to MCAI European Aviation Safety Agency AD 2013-0231,
dated September 24, 2013, for more information. You may examine the
MCAI in the AD docket on the Internet at http://www.regulations.gov/#!documentDetail;D=FAA-2013-0884-0002.
(3) RRD Alert NMSB No. ALERT SB-BR700-72-A900281, dated July 1,
2013, which is not incorporated by reference in this AD, can be
obtained from RRD using the contact information in paragraph (h)(4)
of this AD.
(4) For service information identified in this AD, contact
Rolls-Royce Deutschland Ltd & Co KG, Eschenweg 11, Dahlewitz, 15827
Blankenfelde-Mahlow, Germany; phone: 49 33-7086-1944; fax: 49 33-
7086-3276.
(5) You may view this service information at the FAA, Engine &
Propeller Directorate, 12 New England Executive Park, Burlington,
MA. For information on the availability of this material at the FAA,
call 781-238-7125.
(i) Material Incorporated by Reference
None.
Issued in Burlington, Massachusetts, on April 8, 2014.
Ann C. Mollica,
Acting Assistant Directorate Manager, Engine & Propeller Directorate,
Aircraft Certification Service.
[FR Doc. 2014-08733 Filed 4-17-14; 8:45 am]
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