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Federal Register / Vol. 86, No. 157 / Wednesday, August 18, 2021 / Proposed Rules
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 39AIRWORTHINESS
DIRECTIVES
1. The authority citation for part 39
continues to read as follows:

Authority: 49 U.S.C. 106g, 40113, 44701.
39.13

Amended
2. The FAA amends 39.13 by adding the following new airworthiness directive:

Leonardo S.p.a.: Docket No. FAA2021
0671; Project Identifier 2019SW036
AD.
a Comments Due Date The FAA must receive comments on this airworthiness directive AD by October 4, 2021.
b Affected ADs None.
c Applicability This AD applies to Leonardo S.p.a. Model AB139 and AW139 helicopters, certificated in any category, as identified in European Union Aviation Safety Agency EASA AD
20190073, dated March 28, 2019 EASA AD
20190073.

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d Subject Joint Aircraft Service Component JASC
Codes: 3097, Ice/Rain Protection System Wiring; 6410, Tail Rotor Blades.
e Unsafe Condition This AD was prompted by a report of damage burns on the tail rotor blades TRBs. The FAA is issuing this AD to address damage burns on the TRBs. The unsafe condition, if not addressed, could result in loss of a TRB, possibly resulting in reduced control of the helicopter.
f Compliance Comply with this AD within the compliance times specified, unless already done.

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g Requirements Except as specified in paragraph h of this AD: Comply with all required actions and compliance times specified in, and in accordance with, EASA AD 20190073.
h Exceptions to EASA AD 20190073
1 Where EASA AD 20190073 requires compliance in terms of flight hours, this AD
requires using hours time-in-service.
2 Where EASA AD 20190073 refers to its effective date, this AD requires using the effective date of this AD.
3 Where the service information required by EASA AD 20190073 specifies returning a part to the manufacturer, this AD does not include that requirement.
4 This AD does not require the Remarks section of EASA AD 20190073.
5 Where paragraph 2 of EASA AD 2019
0073 specifies to replace if there are burn signs or other damage, for this AD, other damage is defined as being consistent with wire overheat e.g., possible melted or exposed wires.
i No Reporting Requirement Although the service information referenced in EASA AD 20190073 specifies to submit certain information to the manufacturer, this AD does not include that requirement.
j Special Flight Permit Special flight permits, as described in 14
CFR 21.197 and 21.199, are not allowed.
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 l2 of this AD.
Information may be emailed to: 9-AVS-AIR730-AMOC@faa.gov.
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 Related Information 1 For EASA AD 20190073, contact EASA, Konrad-Adenauer-Ufer 3, 50668
Cologne, Germany; phone: +49 221 8999 000;
email: ADs@easa.europa.eu; internet:
www.easa.europa.eu. You may view this material at the FAA, Office of the Regional Counsel, Southwest Region, 10101 Hillwood Pkwy., Room 6N321, Fort Worth, TX 76177.
For information on the availability of this material at the FAA, call 817 2225110.
This material may be found in the AD docket at https www.regulations.gov by searching for and locating Docket No. FAA20210671.
2 For more information about this AD, contact Jacob Fitch, Aerospace Engineer, COS
Program Management Section, Operational Safety Branch, FAA, 10101 Hillwood Pkwy.,
PO 00000

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Fort Worth, TX 76177; phone: 817 222
4130; email: jacob.fitch@faa.gov.
Issued on August 11, 2021.
Lance T. Gant, Director, Compliance & Airworthiness Division, Aircraft Certification Service.
FR Doc. 202117608 Filed 81721; 8:45 am BILLING CODE 491013P

DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration 14 CFR Part 39
Docket No. FAA20210667; Project Identifier MCAI202100580T
RIN 2120AA64

Airworthiness Directives; Airbus SAS
Airplanes Federal Aviation Administration FAA, DOT.
ACTION: Notice of proposed rulemaking NPRM.
AGENCY:

The FAA proposes to adopt a new airworthiness directive AD for certain Airbus SAS Model A350941
and 1041 airplanes. This proposed AD
was prompted by a report that during type certification activity, it was identified that certain monitoring software was incorrectly implemented in the braking control system BCS
certification standard. This proposed AD would require installing updating certain software for the braking and steering system, 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.
DATES: The FAA must receive comments on this proposed AD by October 4, 2021.
ADDRESSES: You may send comments, using the procedures found in 14 CFR
11.43 and 11.45, by any of the following methods:
Federal eRulemaking Portal: Go to https www.regulations.gov. Follow the instructions for submitting comments.
Fax: 2024932251.
Mail: U.S. Department of Transportation, Docket Operations, M30, West Building Ground Floor, Room W12140, 1200 New Jersey Avenue SE, Washington, DC 20590.
Hand Delivery: Deliver to Mail address above between 9 a.m. and 5
p.m., Monday through Friday, except Federal holidays.
For material that will be incorporated by reference IBR in this AD, contact EASA, Konrad-Adenauer-Ufer 3, 50668
Cologne, Germany; telephone +49 221
SUMMARY:

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