Airworthiness Directives; Dassault Model Mystere-Falcon 50 Airplanes, 6620-6622 [E8-1985]
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6620
Federal Register / Vol. 73, No. 24 / Tuesday, February 5, 2008 / Proposed Rules
Other FAA AD Provisions
(g) The following provisions also apply to
this AD:
(1) Alternative Methods of Compliance
(AMOCs): The Manager, International
Branch, ANM–116, Transport Airplane
Directorate, FAA, has the authority to
approve AMOCs for this AD, if requested
using the procedures found in 14 CFR 39.19.
Send information to ATTN: Tom Rodriguez,
Aerospace Engineer, International Branch,
ANM–116, Transport Airplane Directorate,
FAA, 1601 Lind Avenue SW., Renton,
Washington 98057–3356; telephone (425)
227–1137; fax (425) 227–1149. Before using
any approved AMOC on any airplane to
which the AMOC applies, notify your
appropriate principal inspector (PI) in the
FAA Flight Standards District Office (FSDO),
or lacking a PI, your local FSDO.
(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 FAAapproved 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,
the Office of Management and Budget (OMB)
has approved the information collection
requirements and has assigned OMB Control
Number 2120–0056.
Related Information
(h) Refer to MCAI European Aviation
Safety Agency (EASA) Airworthiness
Directive 2006–0276, dated September 6,
2006; and Zodiac Service Bulletins 5035–30–
001 and 5035–30–002, both dated April 15,
2002; for related information.
Issued in Renton, Washington, on January
24, 2008.
Ali Bahrami,
Manager, Transport Airplane Directorate,
Aircraft Certification Service.
[FR Doc. E8–1984 Filed 2–4–08; 8:45 am]
BILLING CODE 4910–13–P
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA–2008–0118; Directorate
Identifier 2007–NM–289–AD]
RIN 2120–AA64
rmajette on PROD1PC64 with PROPOSALS
Airworthiness Directives; Dassault
Model Mystere-Falcon 50 Airplanes
Federal Aviation
Administration (FAA), DOT.
ACTION: Notice of proposed rulemaking
(NPRM).
AGENCY:
SUMMARY: We propose to adopt a new
airworthiness directive (AD) for the
VerDate Aug<31>2005
15:29 Feb 04, 2008
Jkt 214001
products listed above. This proposed
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:
This Airworthiness Directive (AD) is
issued following the discovery of a risk of
chafing between an electrical feeder bundle
and a bus bar under the circuit breaker panel.
Most of the time, this possible chafing would
be dormant and would lead to an uneventful
loss of segregation within the different
electrical system components. However,
missing segregation combined with
additional electrical failures may impair
flight safety.
*
*
*
*
*
Chafing between an electrical feeder
bundle and a bus bar under the circuit
breaker panel could lead to electrical
arcing, which could result in smoke and
fire in the cockpit. The proposed AD
would require actions that are intended
to address the unsafe condition
described in the MCAI.
DATES: We must receive comments on
this proposed AD by March 6, 2008.
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 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: Tom
Rodriguez, Aerospace Engineer,
International Branch, ANM–116, FAA,
Transport Airplane Directorate, 1601
PO 00000
Frm 00003
Fmt 4702
Sfmt 4702
Lind Avenue, SW., Renton, Washington
98057–3356; telephone (425) 227–1137;
fax (425) 227–1149.
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–2008–0118; Directorate Identifier
2007–NM–289–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 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 proposed AD.
Discussion
The European Aviation Safety Agency
(EASA), which is the Technical Agent
for the Member States of the European
Community, has issued Airworthiness
Directive 2007–0175, dated June 28,
2007 (referred to after this as ‘‘the
MCAI’’), to correct an unsafe condition
for the specified products. The MCAI
states:
This Airworthiness Directive (AD) is
issued following the discovery of a risk of
chafing between an electrical feeder bundle
and a bus bar under the circuit breaker panel.
Most of the time, this possible chafing would
be dormant and would lead to an uneventful
loss of segregation within the different
electrical system components. However,
missing segregation combined with
additional electrical failures may impair
flight safety.
This AD mandates inspection of the
electrical feeder bundle, and modification of
its routing under the circuit breaker panel
through implementation of modification
M3093.
Chafing between an electrical feeder
bundle and a bus bar under the circuit
breaker panel could lead to electrical
arcing, which could result in smoke and
fire in the cockpit.
The corrective action includes
repairing or replacing damaged wiring;
re-routing the feeder cables above the
wiring of the ‘‘Avionic Master’’ and
‘‘Aux Bat’’ relays; installing a protective
sheath on the feeder cables; adding
spacers to separate the bus bar wiring
assemblies from the feeder cables; and
adding Teflon protection on the feeder
cables and securing the feeder cables
E:\FR\FM\05FEP1.SGM
05FEP1
Federal Register / Vol. 73, No. 24 / Tuesday, February 5, 2008 / Proposed Rules
with wiring retaining strips. You may
obtain further information by examining
the MCAI in the AD docket.
Relevant Service Information
Dassault has issued Service Bulletin
F50–483, dated June 6, 2007, including
Erratum dated July 2007. The actions
described in this service information are
intended to correct the unsafe condition
identified in the MCAI.
FAA’s Determination and Requirements
of This Proposed AD
This product has been approved by
the aviation authority of another
country, and is approved for operation
in the United States. Pursuant to our
bilateral agreement with the State of
Design Authority, we have been notified
of the unsafe condition described in the
MCAI and service information
referenced above. We are proposing this
AD because we evaluated all pertinent
information and determined an unsafe
condition exists and is likely to exist or
develop on other products of the same
type design.
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 proposed
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
proposed AD.
rmajette on PROD1PC64 with PROPOSALS
Costs of Compliance
Based on the service information, we
estimate that this proposed AD would
affect about 76 products 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 $80 per work-hour. Required
parts would cost about $0 per product.
Where the service information lists
required parts costs that are covered
under warranty, we have assumed that
there will be no charge for these costs.
As we do not control warranty coverage
for affected parties, some parties may
incur costs higher than estimated here.
Based on these figures, we estimate the
cost of the proposed AD on U.S.
VerDate Aug<31>2005
15:29 Feb 04, 2008
Jkt 214001
operators to be $72,960, or $960 per
product.
PART 39—AIRWORTHINESS
DIRECTIVES
Authority for This Rulemaking
1. The authority citation for part 39
continues to read as follows:
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
Differences Between This AD and the
MCAI or Service Information
6621
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); 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 proposed AD and placed it in the
AD docket.
List of Subjects in 14 CFR Part 39
Air transportation, Aircraft, Aviation
safety, 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:
PO 00000
Frm 00004
Fmt 4702
Sfmt 4702
Authority: 49 U.S.C. 106(g), 40113, 44701.
§ 39.13
[Amended]
2. The FAA amends § 39.13 by adding
the following new AD:
Dassault Aviation: Docket No. FAA–2008–
0118; Directorate Identifier 2007–NM–
289–AD.
Comments Due Date
(a) We must receive comments by March 6,
2008.
Affected ADs
(b) None.
Applicability
(c) This AD applies to Dassault Model
Mystere-Falcon 50 airplanes, certificated in
any category, serial number (S/N) 251 and
S/N 253 and subsequent, without
modification M3093 implemented.
Subject
(d) Air Transport Association (ATA) of
America Code 24: Electrical power.
Reason
(e) The mandatory continuing
airworthiness information (MCAI) states:
This Airworthiness Directive (AD) is
issued following the discovery of a risk of
chafing between an electrical feeder bundle
and a bus bar under the circuit breaker panel.
Most of the time, this possible chafing would
be dormant and would lead to an uneventful
loss of segregation within the different
electrical system components. However,
missing segregation combined with
additional electrical failures may impair
flight safety.
This AD mandates inspection of the
electrical feeder bundle, and modification of
its routing under the circuit breaker panel
through implementation of modification
M3093.
Chafing between an electrical feeder bundle
and a bus bar under the circuit breaker panel
could lead to electrical arcing, which could
result in smoke and fire in the cockpit. The
corrective action includes repairing or
replacing damaged wiring; re-routing the
feeder cables above the wiring of the
‘‘Avionic Master’’ and ‘‘Aux Bat’’ relays;
installing a protective sheath on the feeder
cables; adding spacers to separate the bus bar
wiring assemblies from the feeder cables; and
adding Teflon protection on the feeder cables
and securing the feeder cables with wiring
retaining strips.
Actions and Compliance
(f) Unless already done: Within 13 months
after the effective date of this AD, inspect for
damage of the electrical feeder bundle; repair
or replace wiring, as applicable; and modify
its routing as detailed in the accomplishment
instructions paragraph of Dassault Service
Bulletin F50–483, dated June 6, 2007,
including Erratum dated July 2007.
E:\FR\FM\05FEP1.SGM
05FEP1
6622
Federal Register / Vol. 73, No. 24 / Tuesday, February 5, 2008 / Proposed Rules
FAA AD Differences
DEPARTMENT OF TRANSPORTATION
Note: This AD differs from the MCAI and/
or service information as follows: No
differences.
Federal Aviation Administration
Other FAA AD Provisions
[Docket No. FAA–2008–0123; Directorate
Identifier 2007–NM–056–AD]
(g) The following provisions also apply to
this AD:
(1) Alternative Methods of Compliance
(AMOCs): The Manager, International
Branch, ANM–116, has the authority to
approve AMOCs for this AD, if requested
using the procedures found in 14 CFR 39.19.
Send information to ATTN: Tom Rodriguez,
Aerospace Engineer, International Branch,
ANM–116, Transport Airplane Directorate,
FAA, 1601 Lind Avenue SW., Renton,
Washington 98057–3356; telephone (425)
227–1137; fax (425) 227–1149. Before using
any approved AMOC on any airplane to
which the AMOC applies, notify your
appropriate principal inspector (PI) in the
FAA Flight Standards District Office (FSDO),
or lacking a PI, your local FSDO.
(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 FAAapproved 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,
the Office of Management and Budget (OMB)
has approved the information collection
requirements and has assigned OMB Control
Number 2120–0056.
Related Information
(h) Refer to MCAI EASA Airworthiness
Directive 2007–0175, dated June 28, 2007;
and Dassault Service Bulletin F50–483, dated
June 6, 2007, including Erratum dated July
2007, for related information.
Issued in Renton, Washington, on January
24, 2008.
Ali Bahrami,
Manager, Transport Airplane Directorate,
Aircraft Certification Service.
[FR Doc. E8–1985 Filed 2–4–08; 8:45 am]
rmajette on PROD1PC64 with PROPOSALS
BILLING CODE 4910–13–P
VerDate Aug<31>2005
15:29 Feb 04, 2008
Jkt 214001
14 CFR Part 39
RIN 2120–AA64
Airworthiness Directives; McDonnell
Douglas Model DC–8–11, DC–8–12,
DC–8–21, DC–8–31, DC–8–32, DC–8–
33, DC–8–41, DC–8–42, and DC–8–43
Airplanes; Model DC–8–51, DC–8–52,
DC–8–53, and DC–8–55 Airplanes;
Model DC–8F–54 and DC–8F–55
Airplanes; Model DC–8–61, DC–8–62,
and DC–8–63 Airplanes; Model DC–8–
61F, DC–8–62F, and DC–8–63F
Airplanes; Model DC–8–71, DC–8–72,
and DC–8–73 Airplanes; and Model
DC–8–71F, DC–8–72F, and DC–8–73F
Airplanes
Federal Aviation
Administration (FAA), Department of
Transportation (DOT).
ACTION: Notice of proposed rulemaking
(NPRM).
AGENCY:
SUMMARY: The FAA proposes to
supersede an existing airworthiness
directive (AD) that applies to
McDonnell Douglas Model DC–8
airplanes. The existing AD currently
requires, among other things, revision of
an existing program of structural
inspections. This proposed AD would
require implementation of a program of
structural inspections of baseline
structure to detect and correct fatigue
cracking in order to ensure the
continued airworthiness of these
airplanes as they approach the
manufacturer’s original fatigue design
life goal. This proposed AD results from
a significant number of these airplanes
approaching or exceeding the design
service goal on which the initial type
certification approval was predicated.
We are proposing this AD to detect and
correct fatigue cracking that could
compromise the structural integrity of
these airplanes.
DATES: We must receive comments on
this proposed AD by March 21, 2008.
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–
PO 00000
Frm 00005
Fmt 4702
Sfmt 4702
30, West Building Ground Floor, Room
W12–140, 1200 New Jersey Avenue, SE.,
Washington, DC 20590, between 9 a.m.
and 5 p.m., Monday through Friday,
except Federal holidays.
For service information identified in
this AD, contact Boeing Commercial
Airplanes, Long Beach Division, 3855
Lakewood Boulevard, Long Beach,
California 90846, Attention: Data and
Service Management, Dept. C1–L5A
(D800–0024).
Examining the AD Docket
You may examine the AD docket on
the Internet at https://
www.regulations.gov; 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 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: Jon
Mowery, Aerospace Engineer, Airframe
Branch, ANM–120L, FAA, Los Angeles
Aircraft Certification Office, 3960
Paramount Boulevard, Lakewood,
California 90712–4137; telephone (562)
627–5322; fax (562) 627–5210.
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–2008–0123; Directorate Identifier
2007-NM–056-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 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 proposed AD.
Discussion
On January 11, 1993, we issued AD
93–01–15, amendment 39–8469 (58 FR
5576, January 22, 1993), for McDonnell
Douglas Model DC–8 airplanes. That AD
requires structural inspections to detect
fatigue cracking, reporting of the
inspection results, and repair, as
E:\FR\FM\05FEP1.SGM
05FEP1
]]>Agencies
[Federal Register Volume 73, Number 24 (Tuesday, February 5, 2008)]
[Proposed Rules]
[Pages 6620-6622]
From the Federal Register Online via the Government Printing Office [www.gpo.gov]
[FR Doc No: E8-1985]
-----------------------------------------------------------------------
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2008-0118; Directorate Identifier 2007-NM-289-AD]
RIN 2120-AA64
Airworthiness Directives; Dassault Model Mystere-Falcon 50
Airplanes
AGENCY: Federal Aviation Administration (FAA), DOT.
ACTION: Notice of proposed rulemaking (NPRM).
-----------------------------------------------------------------------
SUMMARY: We propose to adopt a new airworthiness directive (AD) for the
products listed above. This proposed 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:
This Airworthiness Directive (AD) is issued following the
discovery of a risk of chafing between an electrical feeder bundle
and a bus bar under the circuit breaker panel. Most of the time,
this possible chafing would be dormant and would lead to an
uneventful loss of segregation within the different electrical
system components. However, missing segregation combined with
additional electrical failures may impair flight safety.
* * * * *
Chafing between an electrical feeder bundle and a bus bar under the
circuit breaker panel could lead to electrical arcing, which could
result in smoke and fire in the cockpit. The proposed AD would require
actions that are intended to address the unsafe condition described in
the MCAI.
DATES: We must receive comments on this proposed AD by March 6, 2008.
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 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: Tom Rodriguez, Aerospace Engineer,
International Branch, ANM-116, FAA, Transport Airplane Directorate,
1601 Lind Avenue, SW., Renton, Washington 98057-3356; telephone (425)
227-1137; fax (425) 227-1149.
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-2008-0118;
Directorate Identifier 2007-NM-289-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 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 proposed AD.
Discussion
The European Aviation Safety Agency (EASA), which is the Technical
Agent for the Member States of the European Community, has issued
Airworthiness Directive 2007-0175, dated June 28, 2007 (referred to
after this as ``the MCAI''), to correct an unsafe condition for the
specified products. The MCAI states:
This Airworthiness Directive (AD) is issued following the
discovery of a risk of chafing between an electrical feeder bundle
and a bus bar under the circuit breaker panel. Most of the time,
this possible chafing would be dormant and would lead to an
uneventful loss of segregation within the different electrical
system components. However, missing segregation combined with
additional electrical failures may impair flight safety.
This AD mandates inspection of the electrical feeder bundle, and
modification of its routing under the circuit breaker panel through
implementation of modification M3093.
Chafing between an electrical feeder bundle and a bus bar under the
circuit breaker panel could lead to electrical arcing, which could
result in smoke and fire in the cockpit.
The corrective action includes repairing or replacing damaged
wiring; re-routing the feeder cables above the wiring of the ``Avionic
Master'' and ``Aux Bat'' relays; installing a protective sheath on the
feeder cables; adding spacers to separate the bus bar wiring assemblies
from the feeder cables; and adding Teflon protection on the feeder
cables and securing the feeder cables
[[Page 6621]]
with wiring retaining strips. You may obtain further information by
examining the MCAI in the AD docket.
Relevant Service Information
Dassault has issued Service Bulletin F50-483, dated June 6, 2007,
including Erratum dated July 2007. The actions described in this
service information are intended to correct the unsafe condition
identified in the MCAI.
FAA's Determination and Requirements of This Proposed AD
This product has been approved by the aviation authority of another
country, and is approved for operation in the United States. Pursuant
to our bilateral agreement with the State of Design Authority, we have
been notified of the unsafe condition described in the MCAI and service
information referenced above. We are proposing this AD because we
evaluated all pertinent information and determined an unsafe condition
exists and is likely to exist or develop on other products of the same
type design.
Differences Between This 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 proposed 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 proposed AD.
Costs of Compliance
Based on the service information, we estimate that this proposed AD
would affect about 76 products 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 $80 per
work-hour. Required parts would cost about $0 per product. Where the
service information lists required parts costs that are covered under
warranty, we have assumed that there will be no charge for these costs.
As we do not control warranty coverage for affected parties, some
parties may incur costs higher than estimated here. Based on these
figures, we estimate the cost of the proposed AD on U.S. operators to
be $72,960, or $960 per product.
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); 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 proposed AD and placed it in the AD docket.
List of Subjects in 14 CFR Part 39
Air transportation, Aircraft, Aviation safety, 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
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]
2. The FAA amends Sec. 39.13 by adding the following new AD:
Dassault Aviation: Docket No. FAA-2008-0118; Directorate Identifier
2007-NM-289-AD.
Comments Due Date
(a) We must receive comments by March 6, 2008.
Affected ADs
(b) None.
Applicability
(c) This AD applies to Dassault Model Mystere-Falcon 50
airplanes, certificated in any category, serial number (S/N) 251 and
S/N 253 and subsequent, without modification M3093 implemented.
Subject
(d) Air Transport Association (ATA) of America Code 24:
Electrical power.
Reason
(e) The mandatory continuing airworthiness information (MCAI)
states:
This Airworthiness Directive (AD) is issued following the
discovery of a risk of chafing between an electrical feeder bundle
and a bus bar under the circuit breaker panel. Most of the time,
this possible chafing would be dormant and would lead to an
uneventful loss of segregation within the different electrical
system components. However, missing segregation combined with
additional electrical failures may impair flight safety.
This AD mandates inspection of the electrical feeder bundle, and
modification of its routing under the circuit breaker panel through
implementation of modification M3093.
Chafing between an electrical feeder bundle and a bus bar under the
circuit breaker panel could lead to electrical arcing, which could
result in smoke and fire in the cockpit. The corrective action
includes repairing or replacing damaged wiring; re-routing the
feeder cables above the wiring of the ``Avionic Master'' and ``Aux
Bat'' relays; installing a protective sheath on the feeder cables;
adding spacers to separate the bus bar wiring assemblies from the
feeder cables; and adding Teflon protection on the feeder cables and
securing the feeder cables with wiring retaining strips.
Actions and Compliance
(f) Unless already done: Within 13 months after the effective
date of this AD, inspect for damage of the electrical feeder bundle;
repair or replace wiring, as applicable; and modify its routing as
detailed in the accomplishment instructions paragraph of Dassault
Service Bulletin F50-483, dated June 6, 2007, including Erratum
dated July 2007.
[[Page 6622]]
FAA AD Differences
Note: This AD differs from the MCAI and/or service information
as follows: No differences.
Other FAA AD Provisions
(g) The following provisions also apply to this AD:
(1) Alternative Methods of Compliance (AMOCs): The Manager,
International Branch, ANM-116, has the authority to approve AMOCs
for this AD, if requested using the procedures found in 14 CFR
39.19. Send information to ATTN: Tom Rodriguez, Aerospace Engineer,
International Branch, ANM-116, Transport Airplane Directorate, FAA,
1601 Lind Avenue SW., Renton, Washington 98057-3356; telephone (425)
227-1137; fax (425) 227-1149. Before using any approved AMOC on any
airplane to which the AMOC applies, notify your appropriate
principal inspector (PI) in the FAA Flight Standards District Office
(FSDO), or lacking a PI, your local FSDO.
(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, the
Office of Management and Budget (OMB) has approved the information
collection requirements and has assigned OMB Control Number 2120-
0056.
Related Information
(h) Refer to MCAI EASA Airworthiness Directive 2007-0175, dated
June 28, 2007; and Dassault Service Bulletin F50-483, dated June 6,
2007, including Erratum dated July 2007, for related information.
Issued in Renton, Washington, on January 24, 2008.
Ali Bahrami,
Manager, Transport Airplane Directorate, Aircraft Certification
Service.
[FR Doc. E8-1985 Filed 2-4-08; 8:45 am]
BILLING CODE 4910-13-P
