80 FR 45617 - Airworthiness Directives; Bombardier, Inc. Airplanes

DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration

Federal Register Volume 80, Issue 147 (July 31, 2015)

Page Range		45617-45619
FR Document		2015-18686

We propose to adopt a new airworthiness directive (AD) for certain Bombardier, Inc. Model BD-100-1A10 (Challenger 300) airplanes. This proposed AD was prompted by multiple reports of a short circuit between the heater element and the metal sheath of the pitot-static probe heater. This proposed AD would require replacement of the left and right pitot-static probes with newly redesigned left and right pitot-static probes. We are proposing this AD to prevent degradation of the heating ability of the pitot-static probe heater, resulting in erroneous airspeed indication during flight in icing conditions and consequent reduced controllability of the airplane.

Federal Register, Volume 80 Issue 147 (Friday, July 31, 2015)

[Federal Register Volume 80, Number 147 (Friday, July 31, 2015)]
[Proposed Rules]
[Pages 45617-45619]
From the Federal Register Online  [www.thefederalregister.org]
[FR Doc No: 2015-18686]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2015-3140; Directorate Identifier 2015-NM-063-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 BD-100-1A10 (Challenger 300) airplanes. 
This proposed AD was prompted by multiple reports of a short circuit 
between the heater element and the metal sheath of the pitot-static 
probe heater. This proposed AD would require replacement of the left 
and right pitot-static probes with newly redesigned left and right 
pitot-static probes. We are proposing this AD to prevent degradation of 
the heating ability of the pitot-static probe heater, resulting in 
erroneous airspeed indication during flight in icing conditions and 
consequent reduced controllability of the airplane.

DATES: We must receive comments on this proposed AD by September 14, 
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-2015-
3140; 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: Assata Dessaline, Aerospace Engineer, 
Avionics and Services Branch, ANE-172, FAA, New York Aircraft 
Certification Office (ACO), 1600 Stewart Avenue, Suite 410, Westbury, 
NY 11590; telephone: 516-228-7301; 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-2015-3140; 
Directorate Identifier 2015-NM-063-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-2015-04, dated March 
17, 2015 (referred to after this as the Mandatory Continuing 
Airworthiness Information, or ``the MCAI''), to correct an unsafe 
condition for certain Bombardier, Inc. Model BD-100-1A10 (Challenger 
300) airplanes. The MCAI states:

    There have been several reports where the pitot-static probe 
heater came on and remained on regardless of the heater control 
selected position. Investigation determined that the root cause is a 
short circuit between the heater element and the metal sheath. If 
not corrected, this condition may degrade the heating, resulting in 
erroneous Airspeed Indication when flying in icing condition [and 
consequent reduced controllability of the airplane].
    This [Canadian] AD mandates the replacement of the pitot-static 
probes with a redesigned probe which will prevent this failure mode.

    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-2015-
3140.

Related Service Information Under 1 CFR Part 51

    We reviewed Bombardier Service Bulletin 100-34-38, dated January 9, 
2014. The service information describes procedures for replacement of 
the left and right pitot-static probes with newly redesigned left and 
right pitot-static probes, part numbers 0856WC3 and 0856WC4 
respectively. 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 of this 
NPRM.

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

[[Page 45618]]

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 126 airplanes of U.S. 
registry.
    We also estimate that it would take about 12 work-hours 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 
$13,468 per product. Based on these figures, we estimate the cost of 
this proposed AD on U.S. operators to be $1,825,488, or $14,488 per 
product.
    According to the manufacturer, some of the costs of this proposed 
AD may be covered under warranty, thereby reducing the cost impact on 
affected individuals. We do not control warranty coverage for affected 
individuals. As a result, we have included all costs in our cost 
estimate.

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-2015-3140; Directorate Identifier 
2015-NM-063-AD.

(a) Comments Due Date

    We must receive comments by September 14, 2015.

(b) Affected ADs

    None.

(c) Applicability

    This AD applies to Bombardier, Inc. Model BD-100-1A10 
(Challenger 300) airplanes, certificated in any category, serial 
numbers 20003 through 20500 inclusive.

(d) Subject

    Air Transport Association (ATA) of America Code 34, Navigation.

(e) Reason

    This AD was prompted by multiple reports of a short circuit 
between the heater element and the metal sheath of the pitot-static 
probe heater. We are issuing this AD to prevent degradation of the 
heating ability of the pitot-static probe heater, resulting in 
erroneous airspeed indication during flight in icing conditions and 
consequent reduced controllability of the airplane.

(f) Compliance

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

(g) Replacement of Left and Right Pitot-Static Probes

    Within 24 months after the effective date of this AD, replace 
the left and right pitot-static probes with newly designed pitot-
static probes, part numbers (P/N) 0856WC3 and 0856WC4 respectively, 
in accordance with the Accomplishment Instructions of Bombardier 
Service Bulletin 100-34-38, dated January 9, 2014.

(h) Parts Installation Prohibition

    As of the effective date of this AD, no person may install a 
pitot-static probe, P/N 0856WC1 or 0856WC2, on any airplane.

(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 New York 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. 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, 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.

(j) Related Information

    (1) Refer to Mandatory Continuing Airworthiness Information 
(MCAI) Canadian AD CF-2015-04, dated March 17, 2015, 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-2015-3140.
    (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.


[[Page 45619]]


    Issued in Renton, Washington, on July 23, 2015.
Victor Wicklund,
Acting Manager, Transport Airplane Directorate, Aircraft Certification 
Service.
[FR Doc. 2015-18686 Filed 7-30-15; 8:45 am]
 BILLING CODE 4910-13-P

Federal Register / Vol. 80, No. 147 / Friday, July 31, 2015 / Proposed Rules 45617

Lycoming (Allenwood Federal Prison ADDRESSES: You may send comments, 2015–NM–063–AD’’ at the beginning of
Camp portion only) using the procedures found in 14 CFR your comments. We specifically invite
Mifflin 11.43 and 11.45, by any of the following comments on the overall regulatory,
Northumberland
methods: economic, environmental, and energy
Perry
Schuylkill • Federal eRulemaking Portal: Go to aspects of this proposed AD. We will
Snyder http://www.regulations.gov. Follow the consider all comments received by the
Union instructions for submitting comments. closing date and may amend this
• Fax: 202–493–2251. proposed AD based on those comments.
* * * * * • Mail: U.S. Department of We will post all comments we
Scranton-Wilkes-Barre Transportation, Docket Operations, receive, without change, to http://
Survey Area M–30, West Building Ground Floor, www.regulations.gov, including any
Pennsylvania: Room W12–140, 1200 New Jersey personal information you provide. We
Lackawanna will also post a report summarizing each
Luzerne
Avenue SE., Washington, DC 20590.
Monroe • Hand Delivery: U.S. Department of substantive verbal contact we receive
Area of Application. Survey area plus: Transportation, Docket Operations, about this proposed AD.
Pennsylvania: M–30, West Building Ground Floor, Discussion
Bradford Room W12–140, 1200 New Jersey
Columbia Avenue SE., Washington, DC, between 9 Transport Canada Civil Aviation
Lycoming (Excluding Allenwood Federal a.m. and 5 p.m., Monday through (TCCA), which is the aviation authority
Prison Camp) Friday, except Federal holidays. for Canada, has issued Canadian AD
Montour For service information identified in CF–2015–04, dated March 17, 2015
Sullivan (referred to after this as the Mandatory
this proposed AD, contact Bombardier,
Susquehanna Continuing Airworthiness Information,
Wayne Inc., 400 Côte Vertu Road West, Dorval,
Québec H4S 1Y9, Canada; telephone: or ‘‘the MCAI’’), to correct an unsafe
Wyoming
514–855–5000; fax: 514–855–7401; condition for certain Bombardier, Inc.
* * * * * email: thd.crj@aero.bombardier.com; Model BD–100–1A10 (Challenger 300)
[FR Doc. 2015–18746 Filed 7–30–15; 8:45 am] airplanes. The MCAI states:
Internet http://www.bombardier.com.
BILLING CODE 6325–39–P
You may view this referenced service There have been several reports where the
information at the FAA, Transport pitot-static probe heater came on and
Airplane Directorate, 1601 Lind Avenue remained on regardless of the heater control
DEPARTMENT OF TRANSPORTATION SW., Renton, WA. For information on selected position. Investigation determined
that the root cause is a short circuit between
Federal Aviation Administration the availability of this material at the the heater element and the metal sheath. If
FAA, call 425–227–1221. not corrected, this condition may degrade the
14 CFR Part 39 Examining the AD Docket heating, resulting in erroneous Airspeed
Indication when flying in icing condition
[Docket No. FAA–2015–3140; Directorate You may examine the AD docket on [and consequent reduced controllability of
Identifier 2015–NM–063–AD] the Internet at http:// the airplane].
www.regulations.gov by searching for This [Canadian] AD mandates the
RIN 2120–AA64 replacement of the pitot-static probes with a
and locating Docket No. FAA–2015–
redesigned probe which will prevent this
Airworthiness Directives; Bombardier, 3140; or in person at the Docket failure mode.
Inc. Airplanes Management Facility between 9 a.m.
and 5 p.m., Monday through Friday, You may examine the MCAI in the
AGENCY: Federal Aviation except Federal holidays. The AD docket AD docket on the Internet at http://
Administration (FAA), DOT. contains this proposed AD, the www.regulations.gov by searching for
ACTION: Notice of proposed rulemaking regulatory evaluation, any comments and locating Docket No. FAA–2015–
(NPRM). received, and other information. The 3140.
SUMMARY: We propose to adopt a new street address for the Docket Operations Related Service Information Under 1
airworthiness directive (AD) for certain office (telephone: 800–647–5527) is in CFR Part 51
Bombardier, Inc. Model BD–100–1A10 the ADDRESSES section. Comments will
We reviewed Bombardier Service
(Challenger 300) airplanes. This be available in the AD docket shortly
Bulletin 100–34–38, dated January 9,
proposed AD was prompted by multiple after receipt.
2014. The service information describes
reports of a short circuit between the FOR FURTHER INFORMATION CONTACT: procedures for replacement of the left
heater element and the metal sheath of Assata Dessaline, Aerospace Engineer, and right pitot-static probes with newly
the pitot-static probe heater. This Avionics and Services Branch, ANE– redesigned left and right pitot-static
proposed AD would require 172, FAA, New York Aircraft probes, part numbers 0856WC3 and
replacement of the left and right pitot- Certification Office (ACO), 1600 Stewart 0856WC4 respectively. This service
static probes with newly redesigned left Avenue, Suite 410, Westbury, NY information is reasonably available
and right pitot-static probes. We are 11590; telephone: 516–228–7301; fax: because the interested parties have
proposing this AD to prevent 516–794–5531. access to it through their normal course
degradation of the heating ability of the SUPPLEMENTARY INFORMATION: of business or by the means identified
rmajette on DSK2VPTVN1PROD with PROPOSALS

pitot-static probe heater, resulting in in the ADDRESSES section of this NPRM.
erroneous airspeed indication during Comments Invited
flight in icing conditions and We invite you to send any written FAA’s Determination and Requirements
consequent reduced controllability of relevant data, views, or arguments about of This Proposed AD
the airplane. this proposed AD. Send your comments This product has been approved by
DATES: We must receive comments on to an address listed under the the aviation authority of another
this proposed AD by September 14, ADDRESSES section. Include ‘‘Docket No. country, and is approved for operation
2015. FAA–2015–3140; Directorate Identifier in the United States. Pursuant to our

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45618 Federal Register / Vol. 80, No. 147 / Friday, July 31, 2015 / Proposed Rules

bilateral agreement with the State of For the reasons discussed above, I (g) Replacement of Left and Right Pitot-Static
Design Authority, we have been notified certify this proposed regulation: Probes
of the unsafe condition described in the 1. Is not a ‘‘significant regulatory Within 24 months after the effective date
MCAI and service information action’’ under Executive Order 12866; of this AD, replace the left and right pitot-
referenced above. We are proposing this 2. Is not a ‘‘significant rule’’ under the static probes with newly designed pitot-static
AD because we evaluated all pertinent DOT Regulatory Policies and Procedures probes, part numbers (P/N) 0856WC3 and
information and determined an unsafe (44 FR 11034, February 26, 1979); 0856WC4 respectively, in accordance with
condition exists and is likely to exist or 3. Will not affect intrastate aviation in the Accomplishment Instructions of
develop on other products of the same Alaska; and Bombardier Service Bulletin 100–34–38,
type design. 4. Will not have a significant dated January 9, 2014.
economic impact, positive or negative,
Costs of Compliance (h) Parts Installation Prohibition
on a substantial number of small entities
We estimate that this proposed AD under the criteria of the Regulatory As of the effective date of this AD, no
affects 126 airplanes of U.S. registry. Flexibility Act. person may install a pitot-static probe, P/N
We also estimate that it would take 0856WC1 or 0856WC2, on any airplane.
List of Subjects in 14 CFR Part 39
about 12 work-hours per product to (i) Other FAA AD Provisions
comply with the basic requirements of Air transportation, Aircraft, Aviation
safety, Incorporation by reference, The following provisions also apply to this
this proposed AD. The average labor
Safety. AD:
rate is $85 per work-hour. Required
(1) Alternative Methods of Compliance
parts would cost about $13,468 per The Proposed Amendment (AMOCs): The Manager, New York Aircraft
product. Based on these figures, we Certification Office (ACO), ANE–170, FAA,
estimate the cost of this proposed AD on Accordingly, under the authority
delegated to me by the Administrator, has the authority to approve AMOCs for this
U.S. operators to be $1,825,488, or AD, if requested using the procedures found
$14,488 per product. the FAA proposes to amend 14 CFR part
39 as follows: in 14 CFR 39.19. In accordance with 14 CFR
According to the manufacturer, some 39.19, send your request to your principal
of the costs of this proposed AD may be inspector or local Flight Standards District
covered under warranty, thereby PART 39—AIRWORTHINESS
DIRECTIVES Office, as appropriate. If sending information
reducing the cost impact on affected directly to the New York ACO, send it to
individuals. We do not control warranty ■ 1. The authority citation for part 39 ATTN: Program Manager, Continuing
coverage for affected individuals. As a continues to read as follows: Operational Safety, FAA, New York ACO,
result, we have included all costs in our 1600 Stewart Avenue, Suite 410, Westbury,
cost estimate. Authority: 49 U.S.C. 106(g), 40113, 44701.
NY 11590; telephone: 516–228–7300; fax:
Authority for This Rulemaking § 39.13 [Amended] 516–794–5531. Before using any approved
■ 2. The FAA amends § 39.13 by adding AMOC, notify your appropriate principal
Title 49 of the United States Code inspector, or lacking a principal inspector,
the following new airworthiness
specifies the FAA’s authority to issue the manager of the local flight standards
directive (AD):
rules on aviation safety. Subtitle I, district office/certificate holding district
section 106, describes the authority of Bombardier, Inc.: Docket No. FAA–2015– office. The AMOC approval letter must
the FAA Administrator. ‘‘Subtitle VII: 3140; Directorate Identifier 2015–NM– specifically reference this AD.
Aviation Programs,’’ describes in more 063–AD.
(2) Contacting the Manufacturer: For any
detail the scope of the Agency’s (a) Comments Due Date requirement in this AD to obtain corrective
authority. We must receive comments by September actions from a manufacturer, the action must
We are issuing this rulemaking under 14, 2015. be accomplished using a method approved
the authority described in ‘‘Subtitle VII, by the Manager, New York ACO, ANE–170,
Part A, Subpart III, Section 44701: (b) Affected ADs FAA; or Transport Canada Civil Aviation
General requirements.’’ Under that None. (TCCA); or Bombardier, Inc.’s TCCA Design
section, Congress charges the FAA with (c) Applicability Approval Organization (DAO). If approved by
promoting safe flight of civil aircraft in the DAO, the approval must include the
This AD applies to Bombardier, Inc. Model DAO-authorized signature.
air commerce by prescribing regulations BD–100–1A10 (Challenger 300) airplanes,
for practices, methods, and procedures certificated in any category, serial numbers (j) Related Information
the Administrator finds necessary for 20003 through 20500 inclusive.
(1) Refer to Mandatory Continuing
safety in air commerce. This regulation
(d) Subject Airworthiness Information (MCAI) Canadian
is within the scope of that authority
Air Transport Association (ATA) of AD CF–2015–04, dated March 17, 2015, for
because it addresses an unsafe condition related information. This MCAI may be
that is likely to exist or develop on America Code 34, Navigation.
found in the AD docket on the Internet at
products identified in this rulemaking (e) Reason http://www.regulations.gov by searching for
action. This AD was prompted by multiple reports and locating Docket No. FAA–2015–3140.
Regulatory Findings of a short circuit between the heater element (2) For service information identified in
and the metal sheath of the pitot-static probe this AD, contact Bombardier, Inc., 400 Côte
We determined that this proposed AD heater. We are issuing this AD to prevent Vertu Road West, Dorval, Québec H4S 1Y9,
would not have federalism implications degradation of the heating ability of the pitot- Canada; telephone: 514–855–5000; fax: 514–
rmajette on DSK2VPTVN1PROD with PROPOSALS

under Executive Order 13132. This static probe heater, resulting in erroneous 855–7401; email: thd.crj@
proposed AD would not have a airspeed indication during flight in icing
aero.bombardier.com; Internet http://
substantial direct effect on the States, on conditions and consequent reduced
www.bombardier.com. You may view this
the relationship between the national controllability of the airplane.
service information at the FAA, Transport
Government and the States, or on the (f) Compliance Airplane Directorate, 1601 Lind Avenue SW.,
distribution of power and Comply with this AD within the Renton, WA. For information on the
responsibilities among the various compliance times specified, unless already availability of this material at the FAA, call
levels of government. done. 425–227–1221.

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Document Created: 2015-12-15 12:59:38
Document Modified: 2015-12-15 12:59:38

Category		Regulatory Information
Collection		Federal Register
sudoc Class		AE 2.7: GS 4.107: AE 2.106:
Publisher		Office of the Federal Register, National Archives and Records Administration
Section		Proposed Rules
Action		Notice of proposed rulemaking (NPRM).
Dates		We must receive comments on this proposed AD by September 14, 2015.
Contact		Assata Dessaline, Aerospace Engineer, Avionics and Services Branch, ANE-172, FAA, New York Aircraft Certification Office (ACO), 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone: 516-228-7301; fax: 516-794-5531.
FR Citation		80 FR 45617
RIN Number		2120-AA64
CFR Associated		Air Transportation; Aircraft; Aviation Safety; Incorporation by Reference and Safety

80 FR 45617 - Airworthiness Directives; Bombardier, Inc. Airplanes

DEPARTMENT OF TRANSPORTATIONFederal Aviation Administration

Federal Register Volume 80, Issue 147 (July 31, 2015)

DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration