Airworthiness Directives; Bombardier, Inc. Model DHC-8-400 Series Airplanes, 24389-24392 [2010-10472]
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Federal Register / Vol. 75, No. 86 / Wednesday, May 5, 2010 / Rules and Regulations
flexibility to structure the terms and
conditions for term deposit offerings to
minimize any adverse effects on small
institutions. The Board will set terms
and conditions of term deposit offerings
that promote the access of small
institutions to term deposits while still
maintaining the effectiveness of term
deposits as a tool to implement
monetary policy. These steps could
include those suggested by commenters,
such as low minimum bid amounts,
aggregate limits, and noncompetitive
tenders.
VIII. Paperwork Reduction Act
In accordance with the Paperwork
Reduction Act (PRA) of 1995 (44 U.S.C.
3506; 5 CFR 1320 Appendix A.1), the
Board reviewed the final rule under the
authority delegated to the Board by the
Office of Management and Budget
(OMB). The final rule contains no
collections of information subject to the
PRA.
List of Subjects in 12 CFR Part 204
Banks, banking, Reporting and
recordkeeping requirements.
Authority and Issuance
For the reasons set forth in the
preamble, the Board is proposing to
amend 12 CFR part 204 as follows:
■
of no more than one year, such as the
primary credit rate and rates on term
federal funds, term repurchase
agreements, commercial paper, term
Eurodollar deposits, and other similar
instruments.
*
*
*
*
*
(e) Term deposits. (1) A Federal
Reserve Bank may accept term deposits
from eligible institutions under the
provisions of this paragraph (e) subject
to such terms and conditions as the
Board may establish from time to time,
including but not limited to conditions
regarding the maturity of the term
deposits being offered, maximum and
minimum amounts that may be
maintained by an eligible institution in
a term deposit, the interest rate or rates
offered, early withdrawal of term
deposits, pledging term deposits as
collateral and, if term deposits are
offered through an auction mechanism,
the size of the offering, maximum and
minimum bid amounts, and other
relevant terms.
(2) A term deposit will not satisfy any
institution’s required reserve balance or
contractual clearing balance.
(3) A term deposit may not be used for
general payments or settlement
activities.
By order of the Board of Governors of the
Federal Reserve System, April 29, 2010.
Jennifer J. Johnson,
Secretary of the Board.
PART 204—RESERVE
REQUIREMENTS OF DEPOSITORY
INSTITUTIONS (REGULATION D)
[FR Doc. 2010–10483 Filed 5–4–10; 8:45 am]
■
1. The authority citation for Part 204
continues to read as follows:
BILLING CODE 6210–01–P
Authority: 12 U.S.C. 248(a), 248(c), 371a,
461, 601, 611, and 6105.
DEPARTMENT OF TRANSPORTATION
2. Amend § 204.2 by adding paragraph
(dd) to read as follows:
Federal Aviation Administration
§ 204.2
[Docket No. FAA–2010–0435; Directorate
Identifier 2010–NM–084–AD; Amendment
39–16283; AD 2010–10–04]
■
Definitions.
*
*
*
*
*
(dd) Term deposit means those funds
of an eligible institution that are
maintained by that institution for a
specified maturity at a Federal Reserve
Bank pursuant to section 204.10(e) of
this part.
■ 3. Section 204.10 is amended by
revising paragraph (b)(3) and by adding
a new paragraph (e) to read as follows:
§ 204.10
Payment of interest on balances.
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*
*
*
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(b) * * *
(3) For required reserve balances,
excess balances, and term deposits, at
any other rate or rates as determined by
the Board from time to time, not to
exceed the general level of short-term
interest rates. For purposes of this
subsection, ‘‘short-term interest rates’’
are rates on obligations with maturities
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14 CFR Part 39
RIN 2120–AA64
Airworthiness Directives; Bombardier,
Inc. Model DHC–8–400 Series
Airplanes
AGENCY: Federal Aviation
Administration (FAA), Department of
Transportation (DOT).
ACTION: Final rule; request for
comments.
SUMMARY: We are adopting a new
airworthiness directive (AD) for the
products listed above. This AD results
from mandatory continuing
airworthiness information (MCAI)
originated by an aviation authority of
another country to identify and correct
an unsafe condition on an aviation
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24389
product. The MCAI describes the unsafe
condition as:
Operators of DHC–8 400 Series aeroplanes
have been reporting chafing of wires in the
AC wire harnesses located along the lower
wing shroud on either wing resulting in a
loss of various system services. Chafed wires
may lead to arcing, local overheating and AC
generator failure. The AC generators provide
power to the anti-icing heaters, including
pitot/static heater, engine adapter heater, and
propeller heater. Failure of both AC
generators would result in the loss of these
systems and poses a safety concern.
*
*
*
*
*
Loss of both AC generators could lead
to unannunciated loss of heat to both
engine inlets, which could lead to loss
of power in both engines during icing
conditions. This AD requires actions
that are intended to address the unsafe
condition described in the MCAI.
DATES: This AD becomes effective May
20, 2010.
The Director of the Federal Register
approved the incorporation by reference
of certain publications listed in the AD
as of May 20, 2010.
We must receive comments on this
AD by June 21, 2010.
ADDRESSES: You may send comments by
any of the following methods:
• Federal eRulemaking Portal: Go to
https://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
W12–40, 1200 New Jersey Avenue, SE.,
Washington, DC, between 9 a.m. and 5
p.m., Monday through Friday, except
Federal holidays.
Examining the AD Docket
You may examine the AD docket on
the Internet at https://
www.regulations.gov; 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 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:
Craig Yates, Aerospace Engineer,
Airframe and Mechanical Systems
Branch, ANE–171, FAA, New York
Aircraft Certification Office, 1600
Stewart Avenue, Suite 410, Westbury,
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Federal Register / Vol. 75, No. 86 / Wednesday, May 5, 2010 / Rules and Regulations
New York 11590; telephone (516) 228–
7355; fax (516) 794–5531.
SUPPLEMENTARY INFORMATION:
Discussion
Transport Canada Civil Aviation
(TCCA), which is the aviation authority
for Canada, has issued Canadian
Airworthiness Directive CF–2010–08,
dated March 16, 2010 (referred to after
this as ‘‘the MCAI’’), to correct an unsafe
condition for the specified products.
The MCAI states:
Operators of DHC–8 400 Series aeroplanes
have been reporting chafing of wires in the
AC wire harnesses located along the lower
wing shroud on either wing resulting in a
loss of various system services. Chafed wires
may lead to arcing, local overheating and AC
generator failure. The AC generators provide
power to the anti-icing heaters, including
pitot/static heater, engine adapter heater, and
propeller heater. Failure of both AC
generators would result in the loss of these
systems and poses a safety concern.
Investigation has revealed that at four
wiring harness tie down mount locations, the
blind fasteners used to attach the tie down
mount base were found to have protruding
stems which chafed through the wire
insulation leading to arcing damage. In
addition, the wire chafing along the wing rear
spar lower shroud has been attributed to
sagging wire bundles resting on the structure
and insufficient support in low clearance
areas.
This directive mandates the replacement of
the blind fasteners with solid rivets, and to
inspect for and rectify damaged wiring along
the wing lower shroud.
Loss of both AC generators could lead
to unannunciated loss of heat to both
engine inlets, which could lead to loss
of power in both engines during icing
conditions. The required actions also
include a detailed inspection for
damage and chafing of the wires in the
wiring harness installation, and the
Teflon tubing if necessary. The
corrective actions (rectifying) include
replacement or repair of the chafed or
damaged wire or Teflon tubing. You
may obtain further information by
examining the MCAI in the AD docket.
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Relevant Service Information
Bombardier has issued Alert Service
Bulletin A84–24–44, Revision A, dated
February 2, 2010; and Repair Drawing
8/4–24–011, Issue 2, dated January 21,
2010. 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 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
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14:33 May 04, 2010
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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 issuing this
AD because we evaluated all pertinent
information and determined the unsafe
condition exists and is likely to exist or
develop on other products of the same
type design.
Differences Between the AD and the
MCAI or Service Information
We have reviewed the MCAI and
related service information and, in
general, agree with their substance. But
we might have found it necessary to use
different words from those in the MCAI
to ensure the AD is clear for U.S.
operators and is enforceable. In making
these changes, we do not intend to differ
substantively from the information
provided in the MCAI and related
service information.
We might also have required different
actions in this AD from those in the
MCAI in order to follow FAA policies.
Any such differences are highlighted in
a Note within the AD.
FAA’s Determination of the Effective
Date
An unsafe condition exists that
requires the immediate adoption of this
AD. The FAA has found that the risk to
the flying public justifies waiving notice
and comment prior to adoption of this
rule because the chafing of a wire
bundle could result in an electrical
short and potential loss of several
functions essential for safe flight,
including both AC generators.
Therefore, we determined that notice
and opportunity for public comment
before issuing this AD are impracticable
and that good cause exists for making
this amendment effective in fewer than
30 days.
Comments Invited
This AD is a final rule that involves
requirements affecting flight safety, and
we did not precede it by notice and
opportunity for public comment. We
invite you to send any written relevant
data, views, or arguments about this AD.
Send your comments to an address
listed under the ADDRESSES section.
Include ‘‘Docket No. FAA–2010–0435;
Directorate Identifier 2010–NM–084–
AD’’ at the beginning of your comments.
We specifically invite comments on the
overall regulatory, economic,
environmental, and energy aspects of
this AD. We will consider all comments
received by the closing date and may
amend this AD because of those
comments.
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We will post all comments we
receive, without change, to https://
www.regulations.gov, including any
personal information you provide. We
will also post a report summarizing each
substantive verbal contact we receive
about this AD.
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); 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.
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:
■
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Federal Register / Vol. 75, No. 86 / Wednesday, May 5, 2010 / Rules and Regulations
PART 39—AIRWORTHINESS
DIRECTIVES
1. The authority citation for part 39
continues to read as follows:
■
Authority: 49 U.S.C. 106(g), 40113, 44701.
§ 39.13
[Amended]
2. The FAA amends § 39.13 by adding
the following new AD:
■
2010–10–04 Bombardier, Inc.: Amendment
39–16283. Docket No. FAA–2010–0435;
Directorate Identifier 2010–NM–084–AD.
Effective Date
(a) This airworthiness directive (AD)
becomes effective May 20, 2010.
Affected ADs
(b) None.
Applicability
(c) This AD applies to Bombardier, Inc.
Model DHC–8–400, –401, and –402
airplanes, serial numbers 4001 through 4169
inclusive, certificated in any category.
Subject
(d) Air Transport Association (ATA) of
America Code 24: Electrical Power.
Reason
(e) The mandatory continued airworthiness
information (MCAI) states:
Operators of DHC–8 400 Series aeroplanes
have been reporting chafing of wires in the
AC wire harnesses located along the lower
wing shroud on either wing resulting in a
loss of various system services. Chafed wires
may lead to arcing, local overheating and AC
generator failure. The AC generators provide
power to the anti-icing heaters, including
pitot/static heater, engine adapter heater, and
propeller heater. Failure of both AC
generators would result in the loss of these
systems and poses a safety concern.
Investigation has revealed that at four
wiring harness tie down mount locations, the
blind fasteners used to attach the tie down
mount base were found to have protruding
stems which chafed through the wire
insulation leading to arcing damage. In
addition, the wire chafing along the wing rear
spar lower shroud has been attributed to
sagging wire bundles resting on the structure
and insufficient support in low clearance
areas.
This directive mandates the replacement of
the blind fasteners with solid rivets, and to
inspect for and rectify damaged wiring along
the wing lower shroud.
Loss of both AC generators could lead to
unannunciated loss of heat to both engine
inlets, which could lead to loss of power in
both engines during icing conditions. The
required actions also include a detailed
inspection for damage and chafing of the
wires in the wiring harness installation, and
the Teflon tubing if necessary. The corrective
actions (rectifying) include replacement or
repair of the chafed or damaged wire or
Teflon tubing.
Compliance
(f) 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 Blind Fasteners, Inspection
for Chafing at Four Wiring Harness Tie
Down Mount Locations and Corrective
Action
(g) Within 200 flight hours after the
effective date of this AD: Replace the blind
fasteners installed at the four wiring harness
tie down mount locations with solid rivets;
and do a detailed inspection for chafing and
damage of the wires and, as applicable, of
any Teflon tubing and do all applicable
corrective actions; in accordance with
paragraph B.(6) of the Accomplishment
Instructions of Bombardier Alert Service
Bulletin A84–24–44, Revision A, dated
February 2, 2010. Do all applicable corrective
actions before further flight.
Inspection of AC Feeder Cables Along Lower
Wing Shroud and Corrective Action
(h) At the applicable time in paragraph
(h)(1) or (h)(2) of this AD: Do a detailed
24391
inspection of the wiring harness installation
along the wing rear spar lower shroud for any
chafing and damage, and do all applicable
corrective actions, in accordance with the
Accomplishment Instructions of Bombardier
Alert Service Bulletin A84–24–44, Revision
A, dated February 2, 2010. Do all applicable
corrective actions before further flight.
(1) For airplanes with AC feeder cables not
covered with protective Teflon tubing
(Modsum Number IS4Q2450001 or
production Modsum 4Q109946 not
incorporated): Within 600 flight hours after
the effective date of this AD.
(2) For airplanes with AC feeder cables
covered with protective Teflon tubing
(Modsum Number IS4Q2450001 or
production Modsum 4Q109946
incorporated): Within 4,000 flight hours after
the effective date of this AD.
(i) For airplanes on which the temporary
repair specified in Bombardier Repair
Drawing 8/4–24–011, Issue 2, dated January
21, 2010, has been done: Within 600 flight
hours after accomplishing the temporary
repair or 60 flight hours after the effective
date of this AD, whichever occurs later, do
the permanent repair or replace the wiring,
in accordance with Bombardier Repair
Drawing 8/4–24–011, Issue 2, dated January
21, 2010.
Actions According to Previous Issue of
Service Information
(j) Actions done before the effective date of
this AD in accordance with Bombardier Alert
Service Bulletin A84–24–44, dated January
27, 2010, are acceptable for compliance with
the corresponding requirements of
paragraphs (g) and (h) of this AD.
(k) Actions done before the effective date
of this AD in accordance with any
modification summary identified in Table 1
of this AD are acceptable for compliance with
the corresponding requirements of paragraph
(g) of this AD.
TABLE 1—MODIFICATION SUMMARIES
Bombardier modification summary—
Revision—
IS4Q5700013 ...................................................................................................................................................
IS4Q5700013 ...................................................................................................................................................
IS4Q5700013 ...................................................................................................................................................
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Reporting Requirement
(l) Submit a report of the findings (both
positive and negative) of the inspection
required by paragraph (h) of this AD to
Bombardier Technical Help Desk; telephone
416–375–4000; e-mail
thd.qseries@aero.bombardier.com; at the
applicable time specified in paragraph (l)(1)
or (l)(2) of this AD. Use Figures 1 and 2
(Feedback Form) of Bombardier Alert Service
Bulletin A84–24–44, Revision A, dated
February 2, 2010, to submit the report. The
report must include the inspection results, a
description of any discrepancies found, the
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14:33 May 04, 2010
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airplane serial number, and the number of
landings and flight hours on the airplane.
(1) If the inspection was done on or after
the effective date of this AD: Submit the
report within 14 days after the inspection.
(2) If the inspection was accomplished
prior to the effective date of this AD: Submit
the report within 14 days after the effective
date of this AD.
FAA AD Differences
Note 1: This AD differs from the MCAI
and/or service information as follows: The
MCAI does not specify a compliance time for
doing a permanent repair or replacement for
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A
B
C
Dated—
January 12, 2010.
January 20, 2010.
January 27, 2010.
airplanes on which a temporary repair is
done. This AD requires that the temporary
repair is replaced by a permanent repair or
replacement of the wiring. We have
coordinated this difference with Transport
Canada Civil Aviation (TCCA).
Other FAA AD Provisions
(m) The following provisions also apply to
this AD:
(1) Alternative Methods of Compliance
(AMOCs): The Manager, ANE–170, New York
Aircraft Certification Office, FAA, has the
authority to approve AMOCs for this AD, if
requested using the procedures found in 14
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Federal Register / Vol. 75, No. 86 / Wednesday, May 5, 2010 / Rules and Regulations
CFR 39.19. Send information to Attn:
Program Manager, Continuing Operational
Safety, FAA, New York ACO, 1600 Stewart
Avenue, Suite 410, Westbury, New York,
11590; telephone 516–228–7300; fax 516–
794–5531. Before using any approved AMOC
on any airplane to which the AMOC applies,
notify your principal maintenance inspector
(PMI) or principal avionics inspector (PAI),
as appropriate, or lacking a principal
inspector, your local Flight Standards District
Office. The AMOC approval letter must
specifically reference this AD.
(2) Airworthy Product: For any requirement
in this AD to obtain corrective actions from
a manufacturer or other source, use these
actions if they are FAA-approved. Corrective
actions are considered FAA-approved if they
are approved by the State of Design Authority
(or their delegated agent). You are required
to assure the product is airworthy before it
is returned to service.
(3) Reporting Requirements: For any
reporting requirement in this AD, under the
provisions of the Paperwork Reduction Act
(44 U.S.C. 3501 et seq.), the Office of
Management and Budget (OMB) has
approved the information collection
requirements and has assigned OMB Control
Number 2120–0056.
Related Information
(n) Refer to MCAI Canadian Airworthiness
Directive CF–2010–08, dated March 16, 2010;
Bombardier Alert Service Bulletin A84–24–
44, Revision A, dated February 2, 2010; and
Bombardier Repair Drawing 8/4–24–011,
Issue 2, dated January 21, 2010; for related
information.
Material Incorporated by Reference
(o) You must use Bombardier Alert Service
Bulletin A84–24–44, Revision A, dated
February 2, 2010; and Bombardier Repair
Drawing 8/4–24–011, Issue 2, dated January
21, 2010; as applicable; to do the actions
required by this AD, unless the AD specifies
otherwise. Bombardier Repair Drawing 8/4–
24–011, Issue 2, dated January 21, 2010,
contains the following effective pages:
Revision
level shown
on page
Page No.
1, 3 .................................................................................................................................................................
2, 4–7 .............................................................................................................................................................
2
1
Date shown on page
January 21, 2010.*
January 18, 2010.*
* Only the first page of this repair drawing contains the issue dates.
(1) The Director of the Federal Register
approved the incorporation by reference of
this service information under 5 U.S.C.
552(a) and 1 CFR part 51.
(2) For service information identified in
ˆ
this AD, contact Bombardier, Inc., 400 Cote´
Vertu Road West, Dorval, Quebec H4S 1Y9,
Canada; telephone 514–855–5000; fax 514–
855–7401; e-mail
thd.qseries@aero.bombardier.com; Internet
https://www.bombardier.com.
(3) You may review copies of the service
information at the FAA, Transport Airplane
Directorate, 1601 Lind Avenue, SW., Renton,
Washington. For information on the
availability of this material at the FAA, call
425–227–1221.
(4) You may also review copies of the
service information that is incorporated by
reference at the National Archives and
Records Administration (NARA). For
information on the availability of this
material at NARA, call 202–741–6030, or go
to: https://www.archives.gov/federal_register/
code_of_federal_regulations/ibr_
locations.html.
Issued in Renton, Washington, on April 27,
2010.
Ali Bahrami,
Manager, Transport Airplane Directorate,
Aircraft Certification Service.
[FR Doc. 2010–10472 Filed 5–4–10; 8:45 am]
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BILLING CODE 4910–13–P
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DEPARTMENT OF ENERGY
Federal Energy Regulatory
Commission
18 CFR Parts 1b and 157
[Docket No. RM10–21–000; Order No. 734]
Transferring Certain Enforcement
Hotline Matters to the Dispute
Resolution Service: Correction
AGENCY: Federal Energy Regulatory
Commission.
ACTION: Final Rule: correction.
2. On page 21505, column 2, the
words of issuance are corrected to read
as follows:
‘‘In consideration of the foregoing, the
Commission amends parts 1b and 157,
Chapter 1, Title 18, Code of Federal
Regulations, to read as follows:’’
3. On page 21505, column 3,
amendatory instruction 1 is corrected to
read as follows:
‘‘1. The authority citation for part 157
continues to read as follows:’’
Nathaniel J. Davis, Sr.,
Deputy Secretary.
[FR Doc. 2010–10453 Filed 5–4–10; 8:45 am]
The Federal Energy
Regulatory Commission is correcting a
final rule that appeared in the Federal
Register of April 26, 2010, 75 FR 21503.
The document transferred certain
enforcement hotline matters to the
Commission’s Dispute Resolution
Service. This document corrects various
Part references on the first page of the
rule and in the amendatory language.
DATES: Effective May 1, 2010.
FOR FURTHER INFORMATION CONTACT:
Stuart Fischer, Office of Enforcement,
Federal Energy Regulatory Commission,
888 First Street, NE., Washington, DC
20426, (202) 502–8517.
Nils Nichols, Office of Administrative
Litigation/Dispute Resolution Service,
Federal Energy Regulatory Commission,
888 First Street, NE., Washington, DC
20426, (202) 502–8638.
SUPPLEMENTARY INFORMATION: In FR
Document 2010–9125, published April
26, 2010 (75 FR 21403), make the
following corrections:
1. On page 21503, column 2, the part
heading is corrected to read: ‘‘18 CFR
Parts 1b and 157’’.
SUMMARY:
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BILLING CODE 6717–01–P
DEPARTMENT OF HOMELAND
SECURITY
U.S. Customs and Border Protection
19 CFR Part 101
[CBP Dec. 10—05; USCBP–2009–0035]
RIN 1651–AA79
Further Consolidation of CBP
Drawback Centers
AGENCY:
Customs and Border Protection,
DHS.
ACTION:
Final rule.
SUMMARY: This document adopts as a
final rule the proposal to amend title 19
of the Code of Federal Regulations to
reflect the closure of the Customs and
Border Protection (‘‘CBP’’) Drawback
Center located at the Port of Los
Angeles-Long Beach, California. The
closure of this Drawback Center is
necessary because of decreases in claim
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]]>Agencies
[Federal Register Volume 75, Number 86 (Wednesday, May 5, 2010)]
[Rules and Regulations]
[Pages 24389-24392]
From the Federal Register Online via the Government Printing Office [www.gpo.gov]
[FR Doc No: 2010-10472]
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DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2010-0435; Directorate Identifier 2010-NM-084-AD;
Amendment 39-16283; AD 2010-10-04]
RIN 2120-AA64
Airworthiness Directives; Bombardier, Inc. Model DHC-8-400 Series
Airplanes
AGENCY: Federal Aviation Administration (FAA), Department of
Transportation (DOT).
ACTION: Final rule; request for comments.
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SUMMARY: We are adopting a new airworthiness directive (AD) for the
products listed above. This AD results from mandatory continuing
airworthiness information (MCAI) originated by an aviation authority of
another country to identify and correct an unsafe condition on an
aviation product. The MCAI describes the unsafe condition as:
Operators of DHC-8 400 Series aeroplanes have been reporting
chafing of wires in the AC wire harnesses located along the lower
wing shroud on either wing resulting in a loss of various system
services. Chafed wires may lead to arcing, local overheating and AC
generator failure. The AC generators provide power to the anti-icing
heaters, including pitot/static heater, engine adapter heater, and
propeller heater. Failure of both AC generators would result in the
loss of these systems and poses a safety concern.
* * * * *
Loss of both AC generators could lead to unannunciated loss of heat
to both engine inlets, which could lead to loss of power in both
engines during icing conditions. This AD requires actions that are
intended to address the unsafe condition described in the MCAI.
DATES: This AD becomes effective May 20, 2010.
The Director of the Federal Register approved the incorporation by
reference of certain publications listed in the AD as of May 20, 2010.
We must receive comments on this AD by June 21, 2010.
ADDRESSES: You may send comments by any of the following methods:
Federal eRulemaking Portal: Go to https://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 W12-40, 1200 New
Jersey Avenue, SE., Washington, DC, between 9 a.m. and 5 p.m., Monday
through Friday, except Federal holidays.
Examining the AD Docket
You may examine the AD docket on the Internet at https://www.regulations.gov; 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 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: Craig Yates, Aerospace Engineer,
Airframe and Mechanical Systems Branch, ANE-171, FAA, New York Aircraft
Certification Office, 1600 Stewart Avenue, Suite 410, Westbury,
[[Page 24390]]
New York 11590; telephone (516) 228-7355; fax (516) 794-5531.
SUPPLEMENTARY INFORMATION:
Discussion
Transport Canada Civil Aviation (TCCA), which is the aviation
authority for Canada, has issued Canadian Airworthiness Directive CF-
2010-08, dated March 16, 2010 (referred to after this as ``the MCAI''),
to correct an unsafe condition for the specified products. The MCAI
states:
Operators of DHC-8 400 Series aeroplanes have been reporting
chafing of wires in the AC wire harnesses located along the lower
wing shroud on either wing resulting in a loss of various system
services. Chafed wires may lead to arcing, local overheating and AC
generator failure. The AC generators provide power to the anti-icing
heaters, including pitot/static heater, engine adapter heater, and
propeller heater. Failure of both AC generators would result in the
loss of these systems and poses a safety concern.
Investigation has revealed that at four wiring harness tie down
mount locations, the blind fasteners used to attach the tie down
mount base were found to have protruding stems which chafed through
the wire insulation leading to arcing damage. In addition, the wire
chafing along the wing rear spar lower shroud has been attributed to
sagging wire bundles resting on the structure and insufficient
support in low clearance areas.
This directive mandates the replacement of the blind fasteners
with solid rivets, and to inspect for and rectify damaged wiring
along the wing lower shroud.
Loss of both AC generators could lead to unannunciated loss of heat to
both engine inlets, which could lead to loss of power in both engines
during icing conditions. The required actions also include a detailed
inspection for damage and chafing of the wires in the wiring harness
installation, and the Teflon tubing if necessary. The corrective
actions (rectifying) include replacement or repair of the chafed or
damaged wire or Teflon tubing. You may obtain further information by
examining the MCAI in the AD docket.
Relevant Service Information
Bombardier has issued Alert Service Bulletin A84-24-44, Revision A,
dated February 2, 2010; and Repair Drawing 8/4-24-011, Issue 2, dated
January 21, 2010. 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 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 issuing this AD because we
evaluated all pertinent information and determined the unsafe condition
exists and is likely to exist or develop on other products of the same
type design.
Differences Between the AD and the MCAI or Service Information
We have reviewed the MCAI and related service information and, in
general, agree with their substance. But we might have found it
necessary to use different words from those in the MCAI to ensure the
AD is clear for U.S. operators and is enforceable. In making these
changes, we do not intend to differ substantively from the information
provided in the MCAI and related service information.
We might also have required different actions in this AD from those
in the MCAI in order to follow FAA policies. Any such differences are
highlighted in a Note within the AD.
FAA's Determination of the Effective Date
An unsafe condition exists that requires the immediate adoption of
this AD. The FAA has found that the risk to the flying public justifies
waiving notice and comment prior to adoption of this rule because the
chafing of a wire bundle could result in an electrical short and
potential loss of several functions essential for safe flight,
including both AC generators. Therefore, we determined that notice and
opportunity for public comment before issuing this AD are impracticable
and that good cause exists for making this amendment effective in fewer
than 30 days.
Comments Invited
This AD is a final rule that involves requirements affecting flight
safety, and we did not precede it by notice and opportunity for public
comment. We invite you to send any written relevant data, views, or
arguments about this AD. Send your comments to an address listed under
the ADDRESSES section. Include ``Docket No. FAA-2010-0435; Directorate
Identifier 2010-NM-084-AD'' at the beginning of your comments. We
specifically invite comments on the overall regulatory, economic,
environmental, and energy aspects of this AD. We will consider all
comments received by the closing date and may amend this AD because of
those comments.
We will post all comments we receive, without change, to https://www.regulations.gov, including any personal information you provide. We
will also post a report summarizing each substantive verbal contact we
receive about this AD.
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); 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.
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:
[[Page 24391]]
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 AD:
2010-10-04 Bombardier, Inc.: Amendment 39-16283. Docket No. FAA-
2010-0435; Directorate Identifier 2010-NM-084-AD.
Effective Date
(a) This airworthiness directive (AD) becomes effective May 20,
2010.
Affected ADs
(b) None.
Applicability
(c) This AD applies to Bombardier, Inc. Model DHC-8-400, -401,
and -402 airplanes, serial numbers 4001 through 4169 inclusive,
certificated in any category.
Subject
(d) Air Transport Association (ATA) of America Code 24:
Electrical Power.
Reason
(e) The mandatory continued airworthiness information (MCAI)
states:
Operators of DHC-8 400 Series aeroplanes have been reporting
chafing of wires in the AC wire harnesses located along the lower
wing shroud on either wing resulting in a loss of various system
services. Chafed wires may lead to arcing, local overheating and AC
generator failure. The AC generators provide power to the anti-icing
heaters, including pitot/static heater, engine adapter heater, and
propeller heater. Failure of both AC generators would result in the
loss of these systems and poses a safety concern.
Investigation has revealed that at four wiring harness tie down
mount locations, the blind fasteners used to attach the tie down
mount base were found to have protruding stems which chafed through
the wire insulation leading to arcing damage. In addition, the wire
chafing along the wing rear spar lower shroud has been attributed to
sagging wire bundles resting on the structure and insufficient
support in low clearance areas.
This directive mandates the replacement of the blind fasteners
with solid rivets, and to inspect for and rectify damaged wiring
along the wing lower shroud.
Loss of both AC generators could lead to unannunciated loss of heat
to both engine inlets, which could lead to loss of power in both
engines during icing conditions. The required actions also include a
detailed inspection for damage and chafing of the wires in the
wiring harness installation, and the Teflon tubing if necessary. The
corrective actions (rectifying) include replacement or repair of the
chafed or damaged wire or Teflon tubing.
Compliance
(f) 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 Blind Fasteners, Inspection for Chafing at Four Wiring
Harness Tie Down Mount Locations and Corrective Action
(g) Within 200 flight hours after the effective date of this AD:
Replace the blind fasteners installed at the four wiring harness tie
down mount locations with solid rivets; and do a detailed inspection
for chafing and damage of the wires and, as applicable, of any
Teflon tubing and do all applicable corrective actions; in
accordance with paragraph B.(6) of the Accomplishment Instructions
of Bombardier Alert Service Bulletin A84-24-44, Revision A, dated
February 2, 2010. Do all applicable corrective actions before
further flight.
Inspection of AC Feeder Cables Along Lower Wing Shroud and Corrective
Action
(h) At the applicable time in paragraph (h)(1) or (h)(2) of this
AD: Do a detailed inspection of the wiring harness installation
along the wing rear spar lower shroud for any chafing and damage,
and do all applicable corrective actions, in accordance with the
Accomplishment Instructions of Bombardier Alert Service Bulletin
A84-24-44, Revision A, dated February 2, 2010. Do all applicable
corrective actions before further flight.
(1) For airplanes with AC feeder cables not covered with
protective Teflon tubing (Modsum Number IS4Q2450001 or production
Modsum 4Q109946 not incorporated): Within 600 flight hours after the
effective date of this AD.
(2) For airplanes with AC feeder cables covered with protective
Teflon tubing (Modsum Number IS4Q2450001 or production Modsum
4Q109946 incorporated): Within 4,000 flight hours after the
effective date of this AD.
(i) For airplanes on which the temporary repair specified in
Bombardier Repair Drawing 8/4-24-011, Issue 2, dated January 21,
2010, has been done: Within 600 flight hours after accomplishing the
temporary repair or 60 flight hours after the effective date of this
AD, whichever occurs later, do the permanent repair or replace the
wiring, in accordance with Bombardier Repair Drawing 8/4-24-011,
Issue 2, dated January 21, 2010.
Actions According to Previous Issue of Service Information
(j) Actions done before the effective date of this AD in
accordance with Bombardier Alert Service Bulletin A84-24-44, dated
January 27, 2010, are acceptable for compliance with the
corresponding requirements of paragraphs (g) and (h) of this AD.
(k) Actions done before the effective date of this AD in
accordance with any modification summary identified in Table 1 of
this AD are acceptable for compliance with the corresponding
requirements of paragraph (g) of this AD.
Table 1--Modification Summaries
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Bombardier modification summary-- Revision-- Dated--
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IS4Q5700013.............................. A January 12, 2010.
IS4Q5700013.............................. B January 20, 2010.
IS4Q5700013.............................. C January 27, 2010.
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Reporting Requirement
(l) Submit a report of the findings (both positive and negative)
of the inspection required by paragraph (h) of this AD to Bombardier
Technical Help Desk; telephone 416-375-4000; e-mail
thd.qseries@aero.bombardier.com; at the applicable time specified in
paragraph (l)(1) or (l)(2) of this AD. Use Figures 1 and 2 (Feedback
Form) of Bombardier Alert Service Bulletin A84-24-44, Revision A,
dated February 2, 2010, to submit the report. The report must
include the inspection results, a description of any discrepancies
found, the airplane serial number, and the number of landings and
flight hours on the airplane.
(1) If the inspection was done on or after the effective date of
this AD: Submit the report within 14 days after the inspection.
(2) If the inspection was accomplished prior to the effective
date of this AD: Submit the report within 14 days after the
effective date of this AD.
FAA AD Differences
Note 1: This AD differs from the MCAI and/or service information
as follows: The MCAI does not specify a compliance time for doing a
permanent repair or replacement for airplanes on which a temporary
repair is done. This AD requires that the temporary repair is
replaced by a permanent repair or replacement of the wiring. We have
coordinated this difference with Transport Canada Civil Aviation
(TCCA).
Other FAA AD Provisions
(m) The following provisions also apply to this AD:
(1) Alternative Methods of Compliance (AMOCs): The Manager, ANE-
170, New York Aircraft Certification Office, FAA, has the authority
to approve AMOCs for this AD, if requested using the procedures
found in 14
[[Page 24392]]
CFR 39.19. Send information to Attn: Program Manager, Continuing
Operational Safety, FAA, New York ACO, 1600 Stewart Avenue, Suite
410, Westbury, New York, 11590; telephone 516-228-7300; fax 516-794-
5531. Before using any approved AMOC on any airplane to which the
AMOC applies, notify your principal maintenance inspector (PMI) or
principal avionics inspector (PAI), as appropriate, or lacking a
principal inspector, your local Flight Standards District Office.
The AMOC approval letter must specifically reference this AD.
(2) Airworthy Product: For any requirement in this AD to obtain
corrective actions from a manufacturer or other source, use these
actions if they are FAA-approved. Corrective actions are considered
FAA-approved if they are approved by the State of Design Authority
(or their delegated agent). You are required to assure the product
is airworthy before it is returned to service.
(3) Reporting Requirements: For any reporting requirement in
this AD, under the provisions of the Paperwork Reduction Act (44
U.S.C. 3501 et seq.), the Office of Management and Budget (OMB) has
approved the information collection requirements and has assigned
OMB Control Number 2120-0056.
Related Information
(n) Refer to MCAI Canadian Airworthiness Directive CF-2010-08,
dated March 16, 2010; Bombardier Alert Service Bulletin A84-24-44,
Revision A, dated February 2, 2010; and Bombardier Repair Drawing 8/
4-24-011, Issue 2, dated January 21, 2010; for related information.
Material Incorporated by Reference
(o) You must use Bombardier Alert Service Bulletin A84-24-44,
Revision A, dated February 2, 2010; and Bombardier Repair Drawing 8/
4-24-011, Issue 2, dated January 21, 2010; as applicable; to do the
actions required by this AD, unless the AD specifies otherwise.
Bombardier Repair Drawing 8/4-24-011, Issue 2, dated January 21,
2010, contains the following effective pages:
------------------------------------------------------------------------
Revision
Page No. level shown Date shown on page
on page
------------------------------------------------------------------------
1, 3......................... 2 January 21, 2010.*
2, 4-7....................... 1 January 18, 2010.*
------------------------------------------------------------------------
* Only the first page of this repair drawing contains the issue dates.
(1) The Director of the Federal Register approved the
incorporation by reference of this service information under 5
U.S.C. 552(a) and 1 CFR part 51.
(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; e-mail thd.qseries@aero.bombardier.com; Internet https://www.bombardier.com.
(3) You may review copies of the service information at the FAA,
Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton,
Washington. For information on the availability of this material at
the FAA, call 425-227-1221.
(4) You may also review copies of the service information that
is incorporated by reference at the National Archives and Records
Administration (NARA). For information on the availability of this
material at NARA, call 202-741-6030, or go to: https://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html.
Issued in Renton, Washington, on April 27, 2010.
Ali Bahrami,
Manager, Transport Airplane Directorate, Aircraft Certification
Service.
[FR Doc. 2010-10472 Filed 5-4-10; 8:45 am]
BILLING CODE 4910-13-P
