AD 2010-23-27
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A340-541 | Airworthiness Directives; Airbus Model A340-500 and A340-600 Series Airplanes |
| aircraft | Airbus | A340-642 | Airworthiness Directives; Airbus Model A340-500 and A340-600 Series Airplanes |
Unsafe Condition
Simultaneous loss of at least two Main Pumps along with other potential failures related to the in-service event may lead to a dual engine loss.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the equipment and the wiring connected to the main and standby pumps in the left and right wing, in accordance with the Accomplishment Instructions of Airbus Mandatory Service Bulletin A340-28-5050.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 13,500 flight hours after the effective date of this AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Airbus Model A340-541 and A340-642 airplanes, certificated in any category.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
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:
Document Text
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[Federal Register Volume 75, Number 226 (Wednesday, November 24, 2010)]
[Rules and Regulations]
[Pages 71538-71540]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2010-28591]
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DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2010-1110; Directorate Identifier 2010-NM-052-AD;
Amendment 39-16517; AD 2010-23-27]
RIN 2120-AA64
Airworthiness Directives; Airbus Model A340-500 and A340-600
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:
An A340-642 operator reported [fault messages ``Main Fuel Pump
4'' and ``Eng 4 Stall/Surge''] * * * and finally the engine had an
auto shutdown [along] with [fault message ``Engine 4 Fail''] * * *.
* * * * *
Simultaneous loss of at least two Main Pumps along with other
potential failures related to the in-service event may lead to a
dual engine loss.
* * * * *
This AD requires actions that are intended to address the unsafe
condition described in the MCAI.
DATES: This AD becomes effective December 9, 2010.
The Director of the Federal Register approved the incorporation by
reference of a certain publication listed in the AD as of December 9,
2010.
We must receive comments on this AD by January 10, 2011.
ADDRESSES: You may send comments by any of the following methods:
<bullet> Federal eRulemaking Portal: Go to <a href="http://www.regulations.gov">http://www.regulations.gov</a>. Follow the instructions for submitting comments.
<bullet> Fax: (202) 493-2251.
<bullet> 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.
<bullet> 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 <a href="http://www.regulations.gov">http://www.regulations.gov</a>; 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: Vladimir Ulyanov, Aerospace Engineer,
International Branch, ANM-116, Transport Airplane Directorate, FAA,
1601 Lind Avenue, SW., Renton, Washington 98057-3356; telephone (425)
227-1138; fax (425) 227-1149.
SUPPLEMENTARY INFORMATION:
Discussion
The European Aviation Safety Agency (EASA), which is the Technical
Agent for the Member States of the European Community, has issued EASA
Airworthiness Directive 2010-0013, dated January 26, 2010 (referred to
after this as ``the MCAI''), to correct an unsafe condition for the
specified products. The MCAI states:
An A340-642 operator reported a Main Fuel Pump 4 fault that
occurred during descent. Afterwards it was followed by a 2 times Eng
4 Stall/Surge Message and finally the engine had an auto shutdown
with Message Engine 4 Fail.
Analysis of the A340-500/600 aircraft fuel-pump electrical-
circuit design has shown that when a main fuel pump becomes
unserviceable and the fuel pressure indication system indicates
abnormal High (HI) pressure, these unwanted conditions occur:
--There is no Electronic Centralized Aircraft Monitor (ECAM) caution
or fault light of the unserviceable fuel pump.
--The crew cannot manually set the standby fuel pump to `ON' because
of the main pump pressure abnormal HI condition. Simultaneous loss
of at least two Main Pumps along with other potential failures
related to the in-service event may lead to a dual engine loss.
This AD mandates the modification of the main and standby pump
wiring logic which will let the related standby fuel pump be set
`ON' irrespective of the status of the main fuel pump pressure
switch in each of the conditions that follow:
--After the main fuel pump becomes unserviceable;
--When the push-button switch of the related main fuel pump is set
to `OFF', even if the fuel pump pressure indicates abnormally HI.
You may obtain further information by examining the MCAI in the AD
docket.
Relevant Service Information
Airbus has issued Mandatory Service Bulletin A340-28-5050,
including Appendix 1, dated October 8, 2009. 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
[[Page 71539]]
condition exists and is likely to exist or develop on other products of
the same type design.
There are no products of this type currently registered in the
United States. However, this rule is necessary to ensure that the
described unsafe condition is addressed if any of these products are
placed on the U.S. Register in the future.
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
Since there are currently no domestic operators of this product,
notice and opportunity for public comment before issuing this AD are
unnecessary.
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-2010-1110; Directorate
Identifier 2010-NM-052-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 <a href="http://www.regulations.gov">http://www.regulations.gov</a>, 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:
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:
2010-23-27 Airbus: Amendment 39-16517. Docket No. FAA-2010-1110;
Directorate Identifier 2010-NM-052-AD.
Effective Date
(a) This airworthiness directive (AD) becomes effective December
9, 2010.
Affected ADs
(b) None.
Applicability
(c) This AD applies to Airbus Model A340-541 and A340-642
airplanes, certificated in any category.
Subject
(d) Air Transport Association (ATA) of America Code 28: Fuel.
Reason
(e) The mandatory continued airworthiness information (MCAI)
states:
An A340-642 operator reported [fault messages ``Main Fuel Pump
4'' and ``Eng 4 Stall/Surge''] * * * and finally the engine had an
auto shutdown [along] with [fault message ``Engine 4 Fail''] * * *.
* * * * *
Simultaneous loss of at least two Main Pumps along with other
potential failures related to the in-service event may lead to a
dual engine loss.
* * * * *
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.
Actions
(g) Within 13,500 flight hours after the effective date of this
AD, modify the equipment and the wiring connected to the main and
standby pumps in the left and right wing, in accordance with the
Accomplishment Instructions of Airbus Mandatory Service Bulletin
A340-28-5050, dated October 8, 2009.
FAA AD Differences
Note 1: This AD differs from the MCAI and/or service information
as follows: No differences.
Other FAA AD Provisions
(h) The following provisions also apply to this AD:
(1) Alternative Methods of Compliance (AMOCs): The Manager,
International Branch, 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: Vladimir
Ulyanov, Aerospace Engineer, International Branch, ANM-116,
Transport Airplane Directorate, FAA, 1601 Lind Avenue, SW., Renton,
Washington 98057-3356; telephone (425) 227-1138; fax (425) 227-1149.
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
[[Page 71540]]
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
(i) Refer to Mandatory Continuing Airworthiness Information
(MCAI) European Aviation Safety Agency (EASA) Airworthiness
Directive 2010-0013, dated January 26, 2010; and Airbus Mandatory
Service Bulletin A340-28-5050, dated October 8, 2009; for related
information.
Material Incorporated by Reference
(j) You must use Airbus Mandatory Service Bulletin A340-28-5050,
including Appendix 1, dated October 8, 2009, to do the actions
required by this AD, unless the AD specifies otherwise.
(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
Airbus SAS--Airworthiness Office--EAL, 1 Rond Point Maurice
Bellonte, 31707 Blagnac Cedex, France; telephone +33 5 61 93 36 96;
fax +33 5 61 93 45 80; e-mail <a href="/cdn-cgi/l/email-protection#0e6f677c79617c7a6667606b7d7d204f3d3d3e234f3d3a3e4e6f677c6c7b7d206d6163"><span class="__cf_email__" data-cfemail="c1a0a8b3b6aeb3b5a9a8afa4b2b2ef80f2f2f1ec80f2f5f181a0a8b3a3b4b2efa2aeac">[email protected]</span></a>;
Internet <a href="http://www.airbus.com">http://www.airbus.com</a>.
(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: <a href="http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html">http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html</a>.
Issued in Renton, Washington, on November 2, 2010.
Jeffrey E. Duven,
Acting Manager, Transport Airplane Directorate, Aircraft Certification
Service.
[FR Doc. 2010-28591 Filed 11-23-10; 8:45 am]
BILLING CODE 4910-13-P
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Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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