Rule2025-03294
Airworthiness Directives; ATR-GIE Avions de Transport Régional Airplanes
Primary source
Metadata and text below are from the Federal Register, a public-domain U.S. government work. Always verify the official published version before relying on it for any legal matter.
Published
February 28, 2025
Effective
April 4, 2025
Issuing agencies
Transportation DepartmentFederal Aviation Administration
Abstract
The FAA is adopting a new airworthiness directive (AD) for all ATR--GIE Avions de Transport R[eacute]gional Model ATR42 and Model ATR72 airplanes. This AD was prompted by the insufficient accuracy of a certain Angle of Attack (AoA) probe at low airspeeds which could lead to a delayed activation of the stick pusher in a flaps-extended configuration. This AD requires replacing each affected part with a serviceable part, and also prohibits the installation of affected parts, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference. The FAA is issuing this AD to address the unsafe condition on these products.
Full Text
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<title>Federal Register, Volume 90 Issue 39 (Friday, February 28, 2025)</title>
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[Federal Register Volume 90, Number 39 (Friday, February 28, 2025)]
[Rules and Regulations]
[Pages 10849-10851]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2025-03294]
========================================================================
Rules and Regulations
Federal Register
________________________________________________________________________
This section of the FEDERAL REGISTER contains regulatory documents
having general applicability and legal effect, most of which are keyed
to and codified in the Code of Federal Regulations, which is published
under 50 titles pursuant to 44 U.S.C. 1510.
The Code of Federal Regulations is sold by the Superintendent of Documents.
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Federal Register / Vol. 90, No. 39 / Friday, February 28, 2025 /
Rules and Regulations
[[Page 10849]]
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2024-2409; Project Identifier MCAI-2024-00410-T;
Amendment 39-22964; AD 2025-04-06]
RIN 2120-AA64
Airworthiness Directives; ATR--GIE Avions de Transport
R[eacute]gional Airplanes
AGENCY: Federal Aviation Administration (FAA), DOT.
ACTION: Final rule.
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SUMMARY: The FAA is adopting a new airworthiness directive (AD) for all
ATR--GIE Avions de Transport R[eacute]gional Model ATR42 and Model
ATR72 airplanes. This AD was prompted by the insufficient accuracy of a
certain Angle of Attack (AoA) probe at low airspeeds which could lead
to a delayed activation of the stick pusher in a flaps-extended
configuration. This AD requires replacing each affected part with a
serviceable part, and also prohibits the installation of affected
parts, as specified in a European Union Aviation Safety Agency (EASA)
AD, which is incorporated by reference. The FAA is issuing this AD to
address the unsafe condition on these products.
DATES: This AD is effective April 4, 2025.
The Director of the Federal Register approved the incorporation by
reference of a certain publication listed in this AD as of April 4,
2025.
ADDRESSES:
AD Docket: You may examine the AD docket at <a href="http://regulations.gov">regulations.gov</a> under
Docket No. FAA-2024-2409; or in person at Docket Operations between 9
a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD
docket contains this final rule, the mandatory continuing airworthiness
information (MCAI), any comments received, and other information. The
address for Docket Operations is U.S. Department of Transportation,
Docket Operations, M-30, West Building Ground Floor, Room W12-140, 1200
New Jersey Avenue SE, Washington, DC 20590.
Material Incorporated by Reference:
<bullet> For EASA material identified in this AD, contact EASA,
Konrad-Adenauer-Ufer 3, 50668 Cologne, Germany; telephone +49 221 8999
000; email <a href="/cdn-cgi/l/email-protection#4e0f0a3d0e2b2f3d2f602b3b3c213e2f602b3b"><span class="__cf_email__" data-cfemail="9bdadfe8dbfefae8fab5feeee9f4ebfab5feee">[email protected]</span></a>; website easa.europa.eu. You may find
this material on the EASA website at ad.easa.europa.eu.
<bullet> You may view this material at the FAA, Airworthiness
Products Section, Operational Safety Branch, 2200 South 216th St., Des
Moines, WA. For information on the availability of this material at the
FAA, call 206-231-3195. It is also available at <a href="http://regulations.gov">regulations.gov</a> under
Docket No. FAA-2024-2409.
FOR FURTHER INFORMATION CONTACT: Shahram Daneshmandi, Aviation Safety
Engineer, FAA, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590;
telephone 206-231-3220; email <a href="/cdn-cgi/l/email-protection#b4c7dcd5dcc6d5d99ad0d5dad1c7dcd9d5dad0ddf4d2d5d59ad3dbc2"><span class="__cf_email__" data-cfemail="d6a5beb7bea4b7bbf8b2b7b8b3a5bebbb7b8b2bf96b0b7b7f8b1b9a0">[email protected]</span></a>.
SUPPLEMENTARY INFORMATION:
Background
The FAA issued a notice of proposed rulemaking (NPRM) to amend 14
CFR part 39 by adding an AD that would apply to all ATR--GIE Avions de
Transport R[eacute]gional Model ATR42-200, -300, -320, and -500
airplanes; and Model ATR72-101, -102, -201, -202, -211, -212, and -212A
airplanes. The NPRM published in the Federal Register on November 14,
2024 (89 FR 89938). The NPRM was prompted by AD 2024-0140, dated July
12, 2024, issued by EASA, which is the Technical Agent for the Member
States of the European Union (EASA AD 2024-0140) (also referred to as
the MCAI). The MCAI states that during an acceptance flight of an
airplane fitted with an affected part (AoA probe having part number (P/
N) 0861GP) an issue has been identified on the stall warning system.
Further investigation highlighted an insufficient accuracy of the
affected parts at low airspeeds, which could lead to a delayed
activation of the stick pusher in a flaps-extended configuration. This
condition, if not corrected, in combination with flight at a high angle
of attack, could lead to non-activation of the stick pusher and
ultimately to a loss of control of the airplane.
In the NPRM, the FAA proposed to require replacing each affected
part with a serviceable part and to prohibit the installation of
affected parts, as specified in EASA AD 2024-0140. The FAA is issuing
this AD to address the unsafe condition on these products.
You may examine the MCAI in the AD docket at <a href="http://regulations.gov">regulations.gov</a> under
Docket No. FAA-2024-2409.
Discussion of Final Airworthiness Directive
Comments
The FAA received a comment from Air Line Pilots Association,
International (ALPA) who supported the NPRM without change.
Conclusion
This product has been approved by the aviation authority of another
country and is approved for operation in the United States. Pursuant to
the FAA's bilateral agreement with this State of Design Authority, it
has notified the FAA of the unsafe condition described in the MCAI
referenced above. The FAA reviewed the relevant data, considered the
comment received, and determined that air safety requires adopting this
AD as proposed. Accordingly, the FAA is issuing this AD to address the
unsafe condition on this product. Except for minor editorial changes,
this AD is adopted as proposed in the NPRM. None of the changes will
increase the economic burden on any operator.
Material Incorporated by Reference Under 1 CFR Part 51
EASA AD 2024-0140 specifies procedures for replacing each AoA probe
having P/N 0861GP with a serviceable part and also prohibits the
installation of the affected part. This material is reasonably
available because the interested parties have access to it through
their normal course of business or by the means identified in the
ADDRESSES section.
Costs of Compliance
The FAA estimates that this AD affects 77 airplanes of U.S.
registry. The FAA estimates the following costs to comply with this AD:
[[Page 10850]]
Estimated Costs for Required Actions
----------------------------------------------------------------------------------------------------------------
Labor cost Parts cost Cost per product Cost on U.S. operators
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Up to 5 work-hours x $85 per hour = Up to $151,633......... Up to $152,058......... Up to $11,708,466.
$425.
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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.
The FAA is 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
This AD will not have federalism implications under Executive Order
13132. This AD will not have a substantial direct effect on the States,
on the relationship between the national government and the States, or
on the distribution of power and responsibilities among the various
levels of government.
For the reasons discussed above, I certify that this AD:
(1) Is not a ``significant regulatory action'' under Executive
Order 12866,
(2) Will not affect intrastate aviation in Alaska, 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.
List of Subjects in 14 CFR Part 39
Air transportation, Aircraft, Aviation safety, Incorporation by
reference, Safety.
The Amendment
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(f), 40113, 44701.
Sec. 39.13 [Amended]
0
2. The FAA amends Sec. 39.13 by adding the following new airworthiness
directive:
2025-04-06 ATR--GIE Avions de Transport R[eacute]gional: Amendment
39-22964; Docket No. FAA-2024-2409; Project Identifier MCAI-2024-
00410-T.
(a) Effective Date
This airworthiness directive (AD) is effective April 4, 2025.
(b) Affected ADs
None.
(c) Applicability
This AD applies to all ATR--GIE Avions de Transport
R[eacute]gional Model ATR42-200, -300, -320, and -500 airplanes; and
Model ATR72-101, -102, -201, -202, -211, -212, and -212A airplanes,
certificated in any category.
(d) Subject
Air Transport Association (ATA) of America Code 27, Flight
controls.
(e) Unsafe Condition
This AD was prompted by the insufficient accuracy of a certain
Angle of Attack (AoA) probe at low airspeeds which could lead to a
delayed activation of the stick pusher in flaps-extended
configuration. The FAA is issuing this AD to address this unsafe
condition, which if not addressed, could, in combination with flight
at a high angle of attack, result in non-activation of the stick
pusher and ultimately to a loss of control of the airplane.
(f) Compliance
Comply with this AD within the compliance times specified,
unless already done.
(g) Requirements
Except as specified in paragraphs (h) and (i) of this AD: Comply
with all required actions and compliance times specified in, and in
accordance with, European Union Aviation Safety Agency (EASA) AD
2024-0140, dated July 12, 2024 (EASA AD 2024-0140).
(h) Exceptions to EASA AD 2024-0140
(1) Where EASA AD 2024-0140 refers to its effective date, this
AD requires using the effective date of this AD.
(2) Where EASA AD 2024-0140 defines a serviceable part as ``AoA
probe, eligible for installation, in accordance with ATR
instructions, which is not an affected part,'' for this AD replace
that text with ``AoA probe, eligible for installation, which is not
an affected part.''
(3) This AD does not adopt the ``Remarks'' section of EASA AD
2024-0140.
(i) No Reporting Requirement
Although the material referenced in EASA AD 2024-0140 requires
the submittal of certain information to the manufacturer, this AD
does not include that requirement.
(j) Additional AD Provisions
The following provisions also apply to this AD:
(1) Alternative Methods of Compliance (AMOCs): The Manager,
International Validation Branch, FAA, has the authority to approve
AMOCs for this AD, if requested using the procedures found in 14 CFR
39.19. In accordance with 14 CFR 39.19, send your request to your
principal inspector or responsible Flight Standards Office, as
appropriate. If sending information directly to the manager of the
International Validation Branch, send it to the attention of the
person identified in paragraph (k) of this AD and email to:
<a href="/cdn-cgi/l/email-protection#d2939f9d9192b4b3b3fcb5bda4"><span class="__cf_email__" data-cfemail="c2838f8d8182a4a3a3eca5adb4">[email protected]</span></a>. Before using any approved AMOC, notify your
appropriate principal inspector, or lacking a principal inspector,
the manager of the responsible Flight Standards Office.
(2) Contacting the Manufacturer: For any requirement in this AD
to obtain instructions from a manufacturer, the instructions must be
accomplished using a method approved by the Manager, International
Validation Branch, FAA; or EASA; or ATR--GIE Avions de Transport
R[eacute]gional's EASA Design Organization Approval (DOA). If
approved by the DOA, the approval must include the DOA-authorized
signature.
(k) Additional Information
For more information about this AD, contact Shahram Daneshmandi,
Aviation Safety Engineer, FAA, 1600 Stewart Avenue, Suite 410,
Westbury, NY 11590; telephone 206-231-3220; email
<a href="/cdn-cgi/l/email-protection#a1d2c9c0c9d3c0cc8fc5c0cfc4d2c9ccc0cfc5c8e1c7c0c08fc6ced7"><span class="__cf_email__" data-cfemail="13607b727b61727e3d77727d76607b7e727d777a537572723d747c65">[email protected]</span></a>.
(l) Material Incorporated by Reference
(1) The Director of the Federal Register approved the
incorporation by reference of the material listed in this paragraph
under 5 U.S.C. 552(a) and 1 CFR part 51.
(2) You must use this material as applicable to do the actions
required by this AD, unless this AD specifies otherwise.
(i) European Union Aviation Safety Agency (EASA) AD 2024-0140,
dated July 12, 2024.
(ii) [Reserved]
(3) For EASA material identified in this AD, contact EASA,
Konrad-Adenauer-Ufer 3,
[[Page 10851]]
50668 Cologne, Germany; telephone +49 221 8999 000; email
<a href="/cdn-cgi/l/email-protection#dd9c99ae9db8bcaebcf3b8a8afb2adbcf3b8a8"><span class="__cf_email__" data-cfemail="c38287b083a6a2b0a2eda6b6b1acb3a2eda6b6">[email protected]</span></a>; website easa.europa.eu. You may find this
material on the EASA website at ad.easa.europa.eu.
(4) You may view this material at the FAA, Airworthiness
Products Section, Operational Safety Branch, 2200 South 216th St.,
Des Moines, WA. For information on the availability of this material
at the FAA, call 206-231-3195.
(5) You may view this material at the National Archives and
Records Administration (NARA). For information on the availability
of this material at NARA, visit <a href="http://www.archives.gov/federal-register/cfr/ibr-locations">www.archives.gov/federal-register/cfr/ibr-locations</a> or email <a href="/cdn-cgi/l/email-protection#e68094c88f8895968385928f8988a688879487c8818990"><span class="__cf_email__" data-cfemail="adcbdf83c4c3deddc8ced9c4c2c3edc3ccdfcc83cac2db">[email protected]</span></a>.
Issued on February 13, 2025.
Steven W. Thompson,
Acting Deputy Director, Compliance & Airworthiness Division, Aircraft
Certification Service.
[FR Doc. 2025-03294 Filed 2-27-25; 8:45 am]
BILLING CODE 4910-13-P
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