Airworthiness Directives; Bombardier 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

[Federal Register Volume 71, Number 33 (Friday, February 17, 2006)]
[Rules and Regulations]
[Pages 8441-8443]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 06-1406]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2005-22872; Directorate Identifier 2005-NM-198-AD; 
Amendment 39-14490; AD 2006-04-09]
RIN 2120-AA64


Airworthiness Directives; Bombardier 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

AGENCY: Federal Aviation Administration (FAA), Department of 
Transportation (DOT).

ACTION: Final rule.

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SUMMARY: The FAA is adopting a new airworthiness directive (AD) for 
certain Bombardier 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 AD requires replacing the Camloc 
fasteners on the sidewall of the center pedestal. This AD results from 
reports of the Camloc fasteners on the sidewall of the center pedestal 
disengaging and interfering with an inboard rudder pedal. We are 
issuing this AD to prevent these fasteners from disengaging and 
interfering with an inboard rudder pedal, which could reduce 
directional controllability of the airplane.

DATES: This AD becomes effective March 24, 2006.
    The Director of the Federal Register approved the incorporation by 
reference of a certain publication listed in the AD as of March 24, 
2006.

ADDRESSES: You may examine the AD docket on the Internet at http://dms.dot.gov or in person at the Docket Management Facility, U.S. 
Department of Transportation, 400 Seventh Street SW., Nassif Building, 
room PL-401, Washington, DC.
    Contact Bombardier, Inc., Canadair, Aerospace Group, P.O. Box 6087, 
Station Centre-ville, Montreal, Quebec H3C 3G9, Canada, for service 
information identified in this AD.

FOR FURTHER INFORMATION CONTACT: Daniel Parrillo, Aerospace Engineer, 
Systems and Flight Test Branch, ANE-172, FAA, New York Aircraft 
Certification Office, 1600 Stewart Avenue, suite 410, Westbury, New 
York 11590; telephone (516) 228-7305; fax (516) 794-5531.

SUPPLEMENTARY INFORMATION:

Examining the Docket

    You may examine the airworthiness directive (AD) docket on the 
Internet at http://dms.dot.gov or in person at the Docket Management 
Facility office between 9 a.m. and 5 p.m., Monday through Friday, 
except Federal holidays. The Docket Management Facility office 
(telephone (800) 647-5227) is located on the plaza level of the Nassif 
Building at the street address stated in the ADDRESSES section.

Discussion

    The FAA issued a notice of proposed rulemaking (NPRM) to amend 14 
CFR part 39 to include an AD that would apply to certain Bombardier 
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. That NPRM was published in the Federal Register on November 
9, 2005 (70 FR 67946). That NPRM proposed to require replacing the 
Camloc fasteners on the sidewall of the center pedestal.

Comments

    We provided the public the opportunity to participate in the 
development of this AD. We have considered the single comment received.

[[Page 8442]]

Request To Allow Use of Alternative Parts

    The commenter agrees with the proposed 5,500-flight-hour compliance 
time. But the commenter requests that we allow installation of 
operator-supplied hardware with operator-fabricated gang-nut plates in 
lieu of the parts specified in the referenced service bulletin. The 
commenter states that this will facilitate compliance with the proposed 
AD because operators will not be dependent on parts availability.
    We do not agree with the commenter's request. We have discussed the 
question of parts availability with the manufacturer, and the 
manufacturer states that there is no problem with availability of the 
kit needed to complete the requirements of this AD. Therefore, parts 
availability does not justify allowing operators to install parts other 
than those specified in the service bulletin. Also, it is not 
appropriate to address such a request in an AD. We recommend that the 
commenter apply for approval of an alternative method of compliance 
(AMOC) and provide specific information about the hardware proposed in 
the comment. Operators who choose to submit an AMOC request should 
include data supporting that the proposed alternative hardware will 
provide an acceptable level of safety. We have not changed the final 
rule in this regard.

Conclusion

    We have carefully reviewed the available data, including the 
comment received, and determined that air safety and the public 
interest require adopting the AD as proposed.

Costs of Compliance

    This AD affects about 209 airplanes of U.S. registry. The required 
actions will take about 2 work hours per airplane, at an average labor 
rate of $65 per work hour. Required parts will cost between $141 and 
$150 per airplane. Based on these figures, the estimated cost of this 
AD for U.S. operators is between $56,639 and $58,520, or between $271 
and $280 per airplane.

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 have 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 that this AD:
    (1) Is not a ``significant regulatory action'' under Executive 
Order 12866;
    (2) Is not a ``significant rule'' under DOT Regulatory Policies and 
Procedures (44 FR 11034, February 26, 1979); and
    (3) 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. See the ADDRESSES 
section for a location to examine the regulatory evaluation.

List of Subjects in 14 CFR Part 39

    Air transportation, Aircraft, Aviation safety, Incorporation by 
reference, Safety.

Adoption of the Amendment

0
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 Federal Aviation Administration (FAA) amends Sec.  39.13 by 
adding the following new airworthiness directive (AD):

2006-04-09 Bombardier, Inc. (Formerly Canadair): Amendment 39-14490. 
Docket No. FAA-2005-22872; Directorate Identifier 2005-NM-198-AD.

Effective Date

    (a) This AD becomes effective March 24, 2006.

Affected ADs

    (b) None.

Applicability

    (c) This AD applies to the airplanes identified in Table 1 of 
this AD, certificated in any category.

                         Table 1.--Applicability
------------------------------------------------------------------------
             Bombardier models                       Serial Nos.
------------------------------------------------------------------------
CL-600-2C10 (Regional Jet Series 700, 701,  10003 through 10218
 & 702) airplanes.                           inclusive.
CL-600-2D15 (Regional Jet Series 705)       15001 through 15047
 airplanes, CL-600-2D24 (Regional Jet        inclusive.
 Series 900) airplanes.
------------------------------------------------------------------------

Unsafe Condition

    (d) This AD results from reports of the Camloc fasteners on the 
sidewall of the center pedestal disengaging and interfering with an 
inboard rudder pedal. We are issuing this AD to prevent these 
fasteners from disengaging and interfering with an inboard rudder 
pedal, which could reduce directional controllability of the 
airplane.

Compliance

    (e) You are responsible for having the actions required by this 
AD performed within the compliance times specified, unless the 
actions have already been done.

Replacement of Fasteners

    (f) Within 5,500 flight hours after the effective date of this 
AD, replace, with screws and nut plate assemblies, the Camloc 
fasteners on the left and right sidewalls of the center pedestal, in 
accordance with the Accomplishment Instructions of Bombardier 
Service Bulletin 670BA-25-037, Revision A, dated August 25, 2005.

Actions Accomplished Previously

    (g) Replacing fasteners before the effective date of this AD in 
accordance with the Accomplishment Instructions of Bombardier 
Service Bulletin 670BA-25-037, dated June

[[Page 8443]]

23, 2005, is acceptable for compliance with the requirements of 
paragraph (f) of this AD.

Alternative Methods of Compliance (AMOCs)

    (h)(1) The Manager, New York Aircraft Certification Office, FAA, 
has the authority to approve AMOCs for this AD, if requested in 
accordance with the procedures found in 14 CFR 39.19.
    (2) Before using any AMOC approved in accordance with Sec.  
39.19 on any airplane to which the AMOC applies, notify the 
appropriate principal inspector in the FAA Flight Standards 
Certificate Holding District Office.

Related Information

    (i) Canadian airworthiness directive CF-2005-31, dated August 
17, 2005, also addresses the subject of this AD.

Material Incorporated by Reference

    (j) You must use Bombardier Service Bulletin 670BA-25-037, 
Revision A, dated August 25, 2005, to perform the actions that are 
required by this AD, unless the AD specifies otherwise. The Director 
of the Federal Register approved the incorporation by reference of 
this document in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. 
Contact Bombardier, Inc., Canadair, Aerospace Group, P.O. Box 6087, 
Station Centre-ville, Montreal, Quebec H3C 3G9, Canada, for a copy 
of this service information. You may review copies at the Docket 
Management Facility, U.S. Department of Transportation, 400 Seventh 
Street SW., room PL-401, Nassif Building, Washington, DC; on the 
Internet at http://dms.dot.gov; or at the National Archives and 
Records Administration (NARA). For information on the availability 
of this material at the NARA, call (202) 741-6030, or go to http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html.

    Issued in Renton, Washington, on February 6, 2006.
Kalene C. Yanamura,
Acting Manager, Transport Airplane Directorate, Aircraft Certification 
Service.
[FR Doc. 06-1406 Filed 2-16-06; 8:45 am]
BILLING CODE 4910-13-P

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