Proposed Rule2025-03012

Airworthiness Directives; Airbus Helicopters

Primary source

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Published
February 25, 2025

Issuing agencies

Transportation DepartmentFederal Aviation Administration

Abstract

The FAA proposes to adopt a new airworthiness directive (AD) for certain Airbus Helicopters Model AS350B2, AS350B3, and EC130B4 helicopters. This proposed AD was prompted by reports of broken cargo swing frames and the determination to change an existing repetitive inspection threshold. This proposed AD would require repetitively inspecting the cargo swing installation and frame and, depending on the results, corrective action, as specified in a European Union Aviation Safety Agency (EASA) AD, which is proposed for incorporation by reference. The FAA is proposing this AD to address the unsafe condition on these products.

Full Text

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<title>Federal Register, Volume 90 Issue 36 (Tuesday, February 25, 2025)</title>
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[Federal Register Volume 90, Number 36 (Tuesday, February 25, 2025)]
[Proposed Rules]
[Pages 10619-10622]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2025-03012]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2025-0211; Project Identifier MCAI-2023-00706-R]
RIN 2120-AA64


Airworthiness Directives; Airbus Helicopters

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Notice of proposed rulemaking (NPRM).

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SUMMARY: The FAA proposes to adopt a new airworthiness directive (AD) 
for certain Airbus Helicopters Model AS350B2, AS350B3, and EC130B4 
helicopters. This proposed AD was prompted by reports of broken cargo 
swing frames and the determination to change an existing repetitive 
inspection threshold. This proposed AD would require repetitively 
inspecting the cargo swing installation and frame and, depending on the 
results, corrective action, as specified in a European Union Aviation 
Safety Agency (EASA) AD, which is proposed for incorporation by 
reference. The FAA is proposing this

[[Page 10620]]

AD to address the unsafe condition on these products.

DATES: The FAA must receive comments on this NPRM by April 11, 2025.

ADDRESSES: You may send comments, using the procedures found in 14 CFR 
11.43 and 11.45, by any of the following methods:
    <bullet> Federal eRulemaking Portal: Go to <a href="http://regulations.gov">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: Deliver to Mail address above between 9 
a.m. and 5 p.m., Monday through Friday, except Federal holidays.
    AD Docket: You may examine the AD docket at <a href="http://regulations.gov">regulations.gov</a> under 
Docket No. FAA-2025-0211; 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 NPRM, the mandatory continuing airworthiness 
information (MCAI), any comments received, and other information. The 
street address for Docket Operations is listed above.
    Material Incorporated by Reference:
    <bullet> For EASA material identified in this proposed AD, contact 
EASA, Konrad-Adenauer-Ufer 3, 50668 Cologne, Germany; phone: +49 221 
8999 000; email: <a href="/cdn-cgi/l/email-protection#ca8b8eb98aafabb9abe4afbfb8a5baabe4afbf"><span class="__cf_email__" data-cfemail="68292c1b280d091b09460d1d1a071809460d1d">[email&#160;protected]</span></a>; website: easa.europa.eu. You may 
find the EASA material on the EASA website at ad.easa.europa.eu.
    <bullet> You may view this material at the FAA, Office of the 
Regional Counsel, Southwest Region, 10101 Hillwood Parkway, Room 6N-
321, Fort Worth, TX 76177. For information on the availability of this 
material at the FAA, call (817) 222-5110. It is also available at 
<a href="http://regulations.gov">regulations.gov</a> under Docket No. FAA-2025-0211.

FOR FURTHER INFORMATION CONTACT: Steven Warwick, Aviation Safety 
Engineer, FAA, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; 
phone: (817) 222-5225; email: <a href="/cdn-cgi/l/email-protection#7c2f08190a1912522e522b1d0e0b151f173c1a1d1d521b130a"><span class="__cf_email__" data-cfemail="df8cabbaa9bab1f18df188beada8b6bcb49fb9bebef1b8b0a9">[email&#160;protected]</span></a>.

SUPPLEMENTARY INFORMATION:

Comments Invited

    The FAA invites you to send any written relevant data, views, or 
arguments about this proposal. Send your comments to an address listed 
under the ADDRESSES section. Include ``Docket No. FAA-2025-0211; 
Project Identifier MCAI-2023-00706-R'' at the beginning of your 
comments. The most helpful comments reference a specific portion of the 
proposal, explain the reason for any recommended change, and include 
supporting data. The FAA will consider all comments received by the 
closing date and may amend this proposal because of those comments.
    Except for Confidential Business Information (CBI) as described in 
the following paragraph, and other information as described in 14 CFR 
11.35, the FAA will post all comments received, without change, to 
<a href="http://regulations.gov">regulations.gov</a>, including any personal information you provide. The 
agency will also post a report summarizing each substantive verbal 
contact received about this NPRM.

Confidential Business Information

    CBI is commercial or financial information that is both customarily 
and actually treated as private by its owner. Under the Freedom of 
Information Act (FOIA) (5 U.S.C. 552), CBI is exempt from public 
disclosure. If your comments responsive to this NPRM contain commercial 
or financial information that is customarily treated as private, that 
you actually treat as private, and that is relevant or responsive to 
this NPRM, it is important that you clearly designate the submitted 
comments as CBI. Please mark each page of your submission containing 
CBI as ``PROPIN.'' The FAA will treat such marked submissions as 
confidential under the FOIA, and they will not be placed in the public 
docket of this NPRM. Submissions containing CBI should be sent to 
Steven Warwick, Aviation Safety Engineer, FAA, 1600 Stewart Avenue, 
Suite 410, Westbury, NY 11590. Any commentary that the FAA receives 
which is not specifically designated as CBI will be placed in the 
public docket for this rulemaking.

Background

    EASA, which is the Technical Agent for the Member States of the 
European Union, has issued EASA AD 2023-0107, dated May 26, 2023; 
corrected June 2, 2023 (EASA AD 2023-0107) (also referred to as the 
MCAI), to correct an unsafe condition on Airbus Helicopters Model AS 
350 B2, AS 350 B3, and EC 130 B4 helicopters, if equipped with cargo 
hook onboard part number (P/N) 704A41811035 and with a cargo swing 
frame (any P/N). The MCAI states there have been reports of a broken 
cargo swing frame during a flight transition to hover, resulting in 
loss of the load. Subsequent investigation determined that the interval 
for the repetitive inspections of the swing cargo installation, 
currently defined in operating hours in the applicable Aircraft 
Maintenance Manual (AMM), must be based on sling cycles (SC), and that 
certain cargo swing installations have been operated beyond the 
applicable repetitive inspection interval based on SC.
    The FAA is proposing this AD to prevent failure of a cargo swing 
frame. This unsafe condition, if not addressed, could result in failure 
of a cargo swing frame, in-flight loss of load, and subsequent damage 
to and reduced control of the helicopter.
    You may examine the MCAI in the AD docket at <a href="http://regulations.gov">regulations.gov</a> under 
Docket No. FAA-2025-0211.

Material Incorporated by Reference Under 1 CFR Part 51

    EASA AD 2023-0107 requires a one-time inspection of the cargo swing 
installation and frame for an anomaly, which may be indicated by a 
crack, distortion, scratch, hammering mark, or impact mark. Depending 
on the results, EASA AD 2023-0107 requires contacting AH [Airbus 
Helicopters] for approved corrective action instructions and 
accomplishing those instructions accordingly. 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.

FAA's Determination

    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 
above. The FAA is issuing this NPRM after determining that the unsafe 
condition described previously is likely to exist or develop in other 
products of the same type design.

Proposed AD Requirements in This NPRM

    This proposed AD would require accomplishing the actions specified 
in EASA AD 2023-0107, described previously, as incorporated by 
reference, except for any differences identified as exceptions in the 
regulatory text of this proposed AD and except as discussed under 
``Differences Between this NPRM and the MCAI.''

Explanation of Required Compliance Information

    In the FAA's ongoing efforts to improve the efficiency of the AD 
process, the FAA developed a process to use some civil aviation 
authority (CAA) ADs as the primary source of information for compliance 
with requirements for corresponding FAA

[[Page 10621]]

ADs. The FAA has been coordinating this process with manufacturers and 
CAAs. As a result, the FAA proposes to incorporate EASA AD 2023-0107 by 
reference in the FAA final rule. This proposed AD would, therefore, 
require compliance with EASA AD 2023-0107 in its entirety through that 
incorporation, except for any differences identified as exceptions in 
the regulatory text of this proposed AD. Using common terms that are 
the same as the heading of a particular section in EASA AD 2023-0107 
does not mean that operators need comply only with that section. For 
example, where the AD requirement refers to ``all required actions and 
compliance times,'' compliance with this AD requirement is not limited 
to the section titled ``Required Action(s) and Compliance Time(s)'' in 
EASA AD 2023-0107. Material referenced in EASA AD 2023-0107 for 
compliance will be available at <a href="http://regulations.gov">regulations.gov</a> under Docket No. FAA-
2025-0211 after the FAA final rule is published.

Differences Between This NPRM and the MCAI

    The material referenced in EASA AD 2023-0107 specifies that certain 
procedures may be done by a pilot with correct training and 
accreditation, whereas this proposed AD would require those actions be 
accomplished by persons authorized under 14 CFR 43.3. EASA AD 2023-0107 
defines the acronym ``SC'' as swing cycles, whereas this proposed AD 
and ``the ASB'' (the alert service bulletin) referenced in EASA AD 
2023-0107 define SC as sling cycles. EASA AD 2023-0107 requires a one-
time inspection, whereas this proposed AD would require repetitive 
inspections to require the updated threshold on an on-going basis. 
Depending on the inspection results, EASA AD 2023-0107 specifies 
contacting AH [Airbus Helicopters] to obtain approved corrective action 
instructions and accomplishing those instructions, whereas this 
proposed AD would require replacing the cargo swing frame.

Costs of Compliance

    The FAA estimates that this AD, if adopted as proposed, would 
affect 1,184 helicopters of U.S. registry. Labor rates are estimated at 
$85 per work-hour. Based on these numbers, the FAA estimates the 
following costs to comply with this proposed AD.
    Visually inspecting the cargo swing installation and frame would 
take 2 work-hours for an estimated cost of $170 per helicopter and 
$201,280 for the U.S. fleet. If required, dye penetrant inspecting the 
cargo swing installation and frame would take 6 work-hours for an 
estimated cost of $510 per helicopter. Replacing the cargo swing frame 
would take 4 work-hours and the part would cost $25,507, for an 
estimated cost of $25,847 per helicopter.

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

    The FAA 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) Would not affect intrastate aviation in Alaska, and
    (3) Would 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 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

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:

Airbus Helicopters: Docket No. FAA-2025-0211; Project Identifier 
MCAI-2023-00706-R.

(a) Comments Due Date

    The FAA must receive comments on this airworthiness directive 
(AD) by April 11, 2025.

(b) Affected ADs

    None.

(c) Applicability

    This AD applies to Airbus Helicopters Model AS350B2, AS350B3, 
and EC130B4 helicopters, certificated in any category, as identified 
in European Union Aviation Safety Agency AD 2023-0107, dated May 26, 
2023; corrected June 2, 2023 (EASA AD 2023-0107).

(d) Subject

    Joint Aircraft System Component (JASC) Code 2500, Cabin 
Equipment/Furnishings.

(e) Unsafe Condition

    This AD was prompted by reports of broken cargo swing frames and 
the determination to change an existing repetitive inspection 
threshold. The FAA is issuing this AD to prevent failure of a cargo 
swing frame. The unsafe condition, if not addressed, could result in 
failure of a cargo swing frame, in-flight loss of load, and 
subsequent damage to and reduced control of the helicopter.

(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, EASA AD 2023-0107.

(h) Exceptions to EASA AD 2023-0107

    (1) Where EASA AD 2023-0107 refers to its effective date, this 
AD requires using the effective date of this AD.
    (2) Where EASA AD 2023-0107 defines SC as ``swing cycles,'' this 
AD requires replacing that text with ``sling cycles.''
    (3) Where the material referenced in EASA AD 2023-0107 specifies 
that certain procedures may be done by a pilot with correct training 
and accreditation, this AD requires that those actions be 
accomplished by persons authorized under 14 CFR 43.3.
    (4) Where paragraph (1) of EASA AD 2023-0107 states ``within the 
compliance time

[[Page 10622]]

specified in Table 1 of this AD, as applicable,'' this AD requires 
replacing that text with ``within the compliance time specified in 
Table 1 of this AD, as applicable, and thereafter at intervals not 
to exceed 12 months and 36 days or 550 SC, whichever occurs first.''
    (5) Where the AMM task, as defined in EASA AD 2023-0107, 
specifies dye penetrant inspecting the cargo swing installation and 
frame if in doubt if there is a crack, this AD requires dye 
penetrant inspecting the cargo swing installation and frame if, as a 
result of the visual inspection, there is a line having no visible 
gap or misalignment to determine if the line is a scratch or a 
crack.
    Note 1 to paragraph (h)(5): Entering compliance into helicopter 
maintenance records showing that a dye penetrant inspection was 
performed improves the accuracy of maintenance records regarding use 
of dye penetrant inspection dye.
    (6) Instead of complying with paragraph (2) of EASA AD 2023-
0107, comply with the following, ``As a result of the actions 
required by paragraph (1) of EASA AD 2023-0107, if there is a 
distortion, scratch, hammering mark, or impact mark that exceeds the 
allowable limit, or any crack, gap, or misalignment, before further 
flight, remove the cargo swing frame from service and replace it 
with an airworthy cargo swing frame.''
    (7) This AD does not adopt the ``Remarks'' section of EASA AD 
2023-0107.

(i) No Reporting Requirement

    Although the material referenced in EASA AD 2023-0107 specifies 
to submit certain information to the manufacturer, this AD does not 
require that action.

(j) Special Flight Permit

    Special flight permits may be issued in accordance with 14 CFR 
21.197 and 21.199, provided no external cargo or person(s) is 
hoisted.

(k) Alternative Methods of Compliance (AMOCs)

    (1) 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 local Flight 
Standards District 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 (l) of 
this AD and emailed to: <a href="/cdn-cgi/l/email-protection#8bcac6c4c8cbedeaeaa5ece4fd"><span class="__cf_email__" data-cfemail="1554585a56557374743b727a63">[email&#160;protected]</span></a>.
    (2) Before using any approved AMOC, notify your appropriate 
principal inspector, or lacking a principal inspector, the manager 
of the local flight standards district office/certificate holding 
district office.

(l) Additional Information

    For more information about this AD, contact Steven Warwick, 
Aviation Safety Engineer, FAA, 1600 Stewart Avenue, Suite 410, 
Westbury, NY 11590; phone: (817) 222-5225; email: 
<a href="/cdn-cgi/l/email-protection#b3e0c7d6c5d6dd9de19de4d2c1c4dad0d8f3d5d2d29dd4dcc5"><span class="__cf_email__" data-cfemail="3e6d4a5b485b50106c10695f4c49575d557e585f5f10595148">[email&#160;protected]</span></a>.

(m) 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 the AD specifies otherwise.
    (i) European Union Aviation Safety Agency (EASA) AD 2023-0107, 
dated May 26, 2023; corrected June 2, 2023.
    (ii) [Reserved]
    (3) For EASA material identified in this AD, contact EASA, 
Konrad-Adenauer-Ufer 3, 50668 Cologne, Germany; phone: +49 221 8999 
000; email: <a href="/cdn-cgi/l/email-protection#26676255664347554708435354495647084353"><span class="__cf_email__" data-cfemail="1d5c596e5d787c6e7c3378686f726d7c337868">[email&#160;protected]</span></a>; website: easa.europa.eu. You may 
find this EASA material on the EASA website at ad.easa.europa.eu.
    (4) You may view this material at the FAA, Office of the 
Regional Counsel, Southwest Region, 10101 Hillwood Parkway, Room 6N-
321, Fort Worth, TX 76177. For information on the availability of 
this material at the FAA, call (817) 222-5110.
    (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#cbadb9e5a2a5b8bbaea8bfa2a4a58ba5aab9aae5aca4bd"><span class="__cf_email__" data-cfemail="a2c4d08ccbccd1d2c7c1d6cbcdcce2ccc3d0c38cc5cdd4">[email&#160;protected]</span></a>.

    Issued on February 19, 2025.
Victor Wicklund,
Deputy Director, Compliance & Airworthiness Division, Aircraft 
Certification Service.
[FR Doc. 2025-03012 Filed 2-24-25; 8:45 am]
BILLING CODE 4910-13-P


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