
[Federal Register Volume 82, Number 88 (Tuesday, May 9, 2017)]
[Proposed Rules]
[Pages 21482-21484]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2017-09324]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2017-0333; Directorate Identifier 2017-NM-005-AD]
RIN 2120-AA64


Airworthiness Directives; Bombardier, Inc. (Type Certificate 
Previously Held by Canadair Limited) Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Notice of proposed rulemaking (NPRM).

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SUMMARY: We propose to adopt a new airworthiness directive (AD) for 
certain Bombardier, Inc., Model CL-215-6B11 (CL-415 Variant) airplanes. 
This proposed AD was prompted by a report indicating that an oxygen 
bottle was found loose while the clamp strap was in the locked 
position. This proposed AD would require modification of the clamp 
strap and installation of additional shims, as applicable, to the

[[Page 21483]]

flight crew's oxygen bottle retaining structures. We are proposing this 
AD to address the unsafe condition on these products.

DATES: We must receive comments on this proposed AD by June 23, 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 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: 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 
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: 
thd.crj@aero.bombardier.com; 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-2017-
0333; 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: Cesar Gomez, 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: 516-228-7318; fax: 516-794-5531.

SUPPLEMENTARY INFORMATION: 

Comments Invited

    We invite you to send any written relevant data, views, or 
arguments about this proposal. Send your comments to an address listed 
under the ADDRESSES section. Include ``Docket No. FAA-2017-0333; 
Directorate Identifier 2017-NM-005-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 AD CF-2016-33, dated October 
12, 2016 (referred to after this as the Mandatory Continuing 
Airworthiness Information, or ``the MCAI''), to correct an unsafe 
condition for certain Bombardier, Inc., Model CL-215-6B11 (CL-415 
Variant) airplanes. The MCAI states:

    During the implementation of Service Bulletin (SB) 215-4051, the 
oxygen bottle was found loose while the clamp strap was in the 
locked position. This was determined to be caused by the quick 
release latch assembly not achieving the proper clamping pressure.
    The release of the oxygen bottle due to improper clamping 
pressure may result in a loose mass cockpit hazard or an oxygen rich 
environment leading to a possible fire hazard.
    In order to mitigate the unsafe condition, SB 215-4457 was 
issued to modify the clamp strap and install additional shims to add 
strength to the attaching structure for all affected aeroplanes.

    You may examine the MCAI in the AD docket on the Internet at http://www.regulations.gov by searching for and locating Docket No. FAA-2017-
0333.

Related Service Information Under 1 CFR Part 51

    We reviewed Bombardier Service Bulletin 215-4457, Revision 3, dated 
May 8, 2013. The service information describes procedures for 
installing shims, and, for certain airplanes, modifying the straps of 
the latch assembly, on the flight crew's oxygen bottles' retaining 
structure. 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 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.

Costs of Compliance

    We estimate that this proposed AD affects 26 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
----------------------------------------------------------------------------------------------------------------
Modification and installation        16 work-hours x $85 per              $2,250          $3,610         $93,860
                                      hour = $1,360.
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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 21484]]

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. (Type Certificate Previously Held by Canadair 
Limited): Docket No. FAA-2017-0333; Directorate Identifier 2017-NM-
005-AD.

(a) Comments Due Date

    We must receive comments by June 23, 2017.

(b) Affected ADs

    None.

(c) Applicability

    This AD applies to Bombardier, Inc. (Type Certificate previously 
held by Canadair Limited) Model CL-215-6B11 (CL-415 Variant) 
airplanes, certificated in any category, having serial numbers 2001, 
2002, 2005 through 2007 inclusive, 2010, 2012 through 2017 
inclusive, 2019, 2022 through 2024 inclusive, 2026, 2057, 2063, 
2065, 2076, 2077, and 2081.

(d) Subject

    Air Transport Association (ATA) of America Code 25, Equipment/
Furnishings.

(e) Reason

    This AD was prompted by a report indicating that an oxygen 
bottle was found loose while the clamp strap was in the locked 
position. We are issuing this AD to prevent an oxygen bottle from 
being released, which would result in a loose mass object in the 
cockpit and could also result in an oxygen-rich environment that 
could lead to a possible fire hazard.

(f) Compliance

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

(g) Installation and Modification

    Within 12 months after the effective date of this AD, install 
additional shims and modify the clamp strap, as applicable, to the 
flight crew's oxygen bottle retaining structures, in accordance with 
the Accomplishment Instructions of Bombardier Service Bulletin 215-
4457, Revision 3, dated May 8, 2013.

(h) Credit for Previous Actions

    This paragraph provides credit for actions required by paragraph 
(g) of this AD, if those actions were performed before the effective 
date of this AD using any of the service information identified in 
paragraphs (h)(1), (h)(2), or (h)(3) of this AD.
    (1) Bombardier Service Bulletin 215-4457, Revision 2, dated 
October 24, 2012.
    (2) Bombardier Service Bulletin 215-4457, Revision 1, dated June 
12, 2012.
    (3) Bombardier Service Bulletin 215-4457, dated April 4, 2012.

(i) 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 manager of the ACO, send it to ATTN: 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.
    (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, FAA; or Transport Canada Civil Aviation (TCCA); or Viking 
Air Limited's TCCA Design Approval Organization (DAO). If approved 
by the DAO, the approval must include the DAO-authorized signature.

(j) Related Information

    (1) Refer to Mandatory Continuing Airworthiness Information 
(MCAI) Canadian AD CF-2016-33, dated October 12, 2016, 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-2017-0333.
    (2) For more information about this AD, contact Cesar Gomez, 
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: 516-228-7318; fax: 
516-794-5531.
    (3) 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: thd.crj@aero.bombardier.com; 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 May 2, 2017.
Michael Kaszycki,
Acting Manager, Transport Airplane Directorate, Aircraft Certification 
Service.
[FR Doc. 2017-09324 Filed 5-8-17; 8:45 am]
 BILLING CODE 4910-13-P


