[Federal Register Volume 80, Number 15 (Friday, January 23, 2015)]
[Proposed Rules]
[Pages 3502-3504]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2015-00944]
-----------------------------------------------------------------------
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2014-1046; Directorate Identifier 2014-NM-021-AD]
RIN 2120-AA64
Airworthiness Directives; Bombardier, Inc. Airplanes
AGENCY: Federal Aviation Administration (FAA), DOT.
ACTION: Notice of proposed rulemaking (NPRM).
-----------------------------------------------------------------------
SUMMARY: We propose to adopt a new airworthiness directive (AD) for
certain Bombardier, Inc. Model CL-600-2C10 (Regional Jet Series 700,
701, & 702), CL-600-2D15 (Regional Jet Series 705), and CL-600-2D24
(Regional Jet Series 900) airplanes. This proposed AD was prompted by a
determination that no instructions for continued airworthiness exist
for the nose landing gear (NLG) alternate extension actuator of the NLG
alternate release system. This proposed AD would require revising the
maintenance or inspection program, as applicable, to incorporate a new
airworthiness limitation task for the NLG alternate extension actuator.
We are proposing this AD to prevent failure of the NLG alternate
release system and, if the normal NLG extension system also fails,
failure of the NLG to extend, and consequent damage to the airplane and
injury to occupants.
DATES: We must receive comments on this proposed AD by March 9, 2015.
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 http://www.regulations.gov. Follow the instructions for submitting comments.
Fax: 202-493-2251.
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: U.S. Department of Transportation, Docket
Operations, M-30, West Building Ground Floor, Room W12-140, 1200 New
Jersey Avenue SE., Washington, DC, between 9 a.m. and 5 p.m., Monday
through Friday, except Federal holidays.
For service information identified in this proposed AD, contact
Bombardier, Inc., 400 C[ocirc]te-Vertu Road West, Dorval, Qu[eacute]bec
H4S 1Y9, Canada; telephone 514-855-5000; fax 514-855-7401; email
[email protected]; Internet http://www.bombardier.com. You
may view this referenced service information at the FAA, Transport
Airplane Directorate, 1601 Lind Avenue SW., Renton, WA. For information
on the availability of this material at the FAA, call 425-227-1221.
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-2014-
1046; 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
Operations office (telephone 800-647-5527) is in the ADDRESSES section.
Comments will be available in the AD docket shortly after receipt.
FOR FURTHER INFORMATION CONTACT: Luke Walker, Aerospace Engineer,
Airframe and Mechanical Systems Branch, ANE 171, FAA, New York Aircraft
Certification Office (ACO), 1600 Stewart Avenue, Suite 410, Westbury,
NY 11590; telephone 516-228-7363; fax 516-794-5531.
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-2014-1046;
Directorate Identifier 2014-NM-021-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 based on those comments.
We will post all comments we receive, without change, to http://www.regulations.gov, including any personal information you provide. We
will also post a report summarizing each substantive verbal contact we
receive about this proposed AD.
Discussion
Transport Canada Civil Aviation (TCCA), which is the aviation
authority for Canada, has issued Canadian Airworthiness Directive CF-
2013-24R1, dated December 24, 2013 (referred to after this as the
Mandatory Continuing Airworthiness Information, or ``the MCAI''), to
correct an unsafe condition for certain Bombardier, Inc. Model CL-600-
2C10 (Regional Jet Series 700, 701, & 702), CL-600-2D15 (Regional Jet
Series 705), and CL-600-2D24 (Regional Jet Series 900) airplanes. The
MCAI states:
It was discovered that there are no instructions for continued
airworthiness for the Nose Landing Gear (NLG) alternate extension
actuator. Without an effective maintenance task to maintain the
aeroplane's inherent level of safety, there is a potential that a
dormant failure of the alternate release system of the NLG could
occur. Failure of the NLG alternate release system could prevent the
nose landing gear from extending in the case of a failure of the
normal NLG extension system.
This [TCCA] AD is to mandate the incorporation of a new
maintenance task to prevent failure of the NLG alternate release
system.
Revision 1 of this [TCCA] AD changes the phase-in time to be
based on the NLG manual release actuators instead of aeroplanes.
You may examine the MCAI in the AD docket on the Internet at http://www.regulations.gov by searching for
[[Page 3503]]
and locating Docket No. FAA-2014-1046.
Related Service Information
Bombardier has issued Task 320100-225, ``Restoration of the NLG
Manual Release Actuator,'' of Subject 1-32, Landing Gear, of Section 1,
Systems and Powerplant Program, Volume 1 of Part 1, Maintenance Review
Board Report, Revision 14, dated July 10, 2013, of the CRJ 700/900/1000
Maintenance Requirements Manual, CSP-B-053. This service information
describes an airworthiness limitation task for the NLG alternate
extension actuator. The actions described in this service information
are intended to correct the unsafe condition identified in the MCAI.
FAA's Determination and Requirements of This Proposed AD
This product has been approved by the aviation authority of another
country, and is approved for operation in the United States. Pursuant
to our bilateral agreement with the State of Design Authority, we have
been notified of the unsafe condition described in the MCAI and service
information referenced above. We are proposing this AD because we
evaluated all pertinent information and determined an unsafe condition
exists and is likely to exist or develop on other products of the same
type design.
This proposed AD requires revisions to certain operator maintenance
documents to include new inspections. Compliance with these inspections
is required by section 91.403(c) of the Federal Aviation Regulations
(14 CFR 91.403(c)). For airplanes that have been previously modified,
altered, or repaired in the areas addressed by these inspections, an
operator might not be able to accomplish the inspections described in
the revisions. In this situation, to comply with 14 CFR 91.403(c), the
operator must request approval of an alternative method of compliance
(AMOC) in accordance with the provisions of paragraph (j)(1) of this
proposed AD. The request should include a description of changes to the
required inspections that will ensure the continued damage tolerance of
the affected structure.
Costs of Compliance
We estimate that this proposed AD affects 416 airplanes of U.S.
registry.
We also estimate that it would take about 1 work-hour per product
to comply with the basic requirements of this proposed AD. The average
labor rate is $85 per work-hour. Required parts would cost about $0 per
product. Based on these figures, we estimate the cost of this proposed
AD on U.S. operators to be $35,360, or $85 per product.
In addition, we estimate that any necessary follow-on actions would
take about 1 work-hour and require parts costing $0, for a cost of $85
per product. We have no way of determining the number of aircraft that
might need this action.
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 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; 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):
Bombardier, Inc.: Docket No. FAA-2014-1046; Directorate Identifier
2014-NM-021-AD.
(a) Comments Due Date
We must receive comments by March 9, 2015.
(b) Affected ADs
None.
(c) Applicability
This AD applies to the airplanes identified in paragraphs (c)(1)
and (c)(2) of this AD, certificated in any category.
(1) Bombardier, Inc. Model CL-600-2C10 (Regional Jet Series 700,
701, & 702) airplanes, serial number (S/N) 10002 and subsequent.
(2) Bombardier, Inc. Model CL-600-2D15 (Regional Jet Series
705), and CL-600-2D24 (Regional Jet Series 900) airplanes, S/N 15001
and subsequent.
(d) Subject
Air Transport Association (ATA) of America Code 32, Landing
Gear.
(e) Reason
This AD was prompted by a determination that no instructions for
continued airworthiness exist for the nose landing gear (NLG)
alternate extension actuator of the NLG alternate release system. We
are issuing this AD to prevent failure of the NLG alternate release
system and, if the normal NLG extension system also fails, failure
of the NLG to extend, and consequent damage to the airplane and
injury to occupants.
(f) Compliance
Comply with this AD within the compliance times specified,
unless already done.
(g) Maintenance or Inspection Program Revision
Within 30 days after the effective date of this AD, revise the
maintenance or inspection program, as applicable, to incorporate the
information specified in Task 320100-225, ``Restoration of the NLG
Manual Release Actuator,'' of Subject 1-32, Landing Gear, of Section
1, Systems and Powerplant Program, Volume 1 of Part 1, Maintenance
Review Board Report, Revision 14, dated July 10, 2013, of the CRJ
700/900/1000 Maintenance Requirements Manual, CSP-B-053. The
[[Page 3504]]
initial compliance time for the task is specified in paragraph (h)
of this AD.
(h) Initial Task Compliance Time
Before the accumulation of 20,000 total flight cycles, or within
5,500 flight cycles after the effective date of this AD, whichever
occurs first: Perform the initial restoration specified in Task
320100-225, ``Restoration of the NLG Manual Release Actuator,'' of
Subject 1-32, Landing Gear, of Section 1, Systems and Powerplant
Program, Volume 1 of Part 1, Maintenance Review Board Report,
Revision 14, dated July 10, 2013, of the CRJ 700/900/1000
Maintenance Requirements Manual, CSP-B-053.
(i) No Alternative Actions and Intervals
After accomplishing the revision required by paragraph (g) of
this AD, no alternative actions (e.g., inspections) or intervals may
be used unless the actions or intervals are approved as an
alternative method of compliance (AMOC) in accordance with the
procedures specified in paragraph (j)(1) of this AD.
(j) Other FAA AD Provisions
The following provisions also apply to this AD:
(1) Alternative Methods of Compliance (AMOCs): The Manager, New
York Aircraft Certification Office (ACO), ANE-170, 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 ACO, send it to Program Manager, Continuing
Operational Safety, FAA, New York ACO, 1600 Stewart Avenue, Suite
410, Westbury, NY 11590; telephone (516) 228-7300; fax (516) 794-
5531. 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. The AMOC approval letter must specifically
reference this AD.
(2) Contacting the Manufacturer: For any requirement in this AD
to obtain corrective actions from a manufacturer, the action must be
accomplished using a method approved by the Manager, New York ACO,
ANE-170, Engine and Propeller Directorate, FAA; or Transport Canada
Civil Aviation (TCCA); or Bombardier, Inc.'s TCCA Design Approval
Organization (DAO). If approved by the DAO, the approval must
include the DAO-authorized signature.
(k) Related Information
(1) Refer to MCAI Canadian Airworthiness Directive CF-2013-24R1,
dated December 24, 2013, for related information. This MCAI may be
found in the AD docket on the Internet at http://www.regulations.gov
by searching for and locating Docket No. FAA-2014-1046.
(2) For service information identified in this AD, contact
Bombardier, Inc., 400 C[ocirc]te-Vertu Road West, Dorval,
Qu[eacute]bec H4S 1Y9, Canada; telephone 514-855-5000; fax 514-855-
7401; email [email protected]; Internet http://www.bombardier.com. You may view this service information at the
FAA, Transport Airplane Directorate, 1601 Lind Avenue SW., Renton,
WA. For information on the availability of this material at the FAA,
call 425-227-1221.
Issued in Renton, Washington, on January 13, 2015.
John P. Piccola,
Acting Manager, Transport Airplane Directorate, Aircraft Certification
Service.
[FR Doc. 2015-00944 Filed 1-22-15; 8:45 am]
BILLING CODE 4910-13-P