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Federal Register / Vol. 86, No. 177 / Thursday, September 16, 2021 / Rules and Regulations
21357 85 FR 81790, December 17, 2020, and b. Adding the following new AD:

existing AFM be removed before further flight after the EEC software has been updated.

20211803 Yabora Industria Aeronautica S.A. Type Certificate Previously Held by Embraer S.A. Airplanes:
Amendment 3921704; Docket No.
FAA20210701; Project Identifier MCAI202100365T.

i Other FAA AD Provisions The following provisions also apply to this AD:
1 Alternative Methods of Compliance AMOCs: The Manager, Large Aircraft Section, 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 Large Aircraft Section, International Validation Branch, send it to the attention of the person identified in paragraph j of this AD.
Information may be emailed to: 9-AVS-AIR730-AMOC@faa.gov.
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, Large Aircraft Section, International Validation Branch, FAA; or ANAC; or ANACs authorized Designee. If approved by the ANAC Designee, the approval must include the Designees authorized signature.

a Effective Date This airworthiness directive AD becomes effective October 1, 2021.
b Affected ADs This AD replaces AD 20202602, Amendment 3921357 85 FR 81790, December 17, 2020 AD 20202602.
c Applicability This AD applies to Yabora Industria Aeronautica S.A. type certificate previously held by Embraer S.A. Model ERJ 190400
airplanes, certificated in any category, as identified in Agencia Nacional de Aviac ao Civil ANAC AD 20200701R01, effective March 26, 2021 ANAC AD 20200701R01.
d Subject Air Transport Association ATA of America Code 72, Turbine/turboprop engine.
e Reason This AD was prompted by a report of an in-flight shutdown IFSD due in part to failure in the low-pressure compressor LPC
rotor 1 during operation in high altitude at high thrust settings, and by the development of updated electronic engine control EEC
software that will prevent the unsafe condition. The FAA is issuing this AD to address uncontained release of the LPC rotor 1 and damage to the engine and airplane structure, which could result in 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 paragraph h of this AD: Comply with all required actions and compliance times specified in, and in accordance with, ANAC AD 20200701R01.
h Exceptions to ANAC AD 20200701R01
1 Where ANAC AD 20200701R01 refers to the effective date of ANAC AD 2020
0701, this AD requires using January 4, 2021 the effective date of FAA AD 202026
02.
2 Where ANAC AD 20200701R01 says to upgrade de EEC software, this AD
requires to upgrade the EEC software.
3 Where ANAC AD 20200701R01 refers to its effective date, this AD requires using the effective date of this AD.
4 The Alternative method of compliance AMOCs section of ANAC AD 202007
01R01 does not apply to this AD.
5 Where paragraph c2 of ANAC AD
20200701R01 requires removing the airplane flight manual AFM amendments, this AD requires that the amendments to the
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j Related Information For more information about this AD, contact Krista Greer, Aerospace Engineer, Large Aircraft Section, International Validation Branch, FAA, 2200 South 216th St., Des Moines, WA 98198; telephone and fax 2062313221; email krista.greer@
faa.gov.
j Material Incorporated by Reference 1 The Director of the Federal Register approved the incorporation by reference IBR of the service information listed in this paragraph under 5 U.S.C. 552a and 1 CFR
part 51.
2 You must use this service information as applicable to do the actions required by this AD, unless this AD specifies otherwise.
i Agencia Nacional de Aviac ao Civil ANAC AD 20200701R01, effective March 26, 2021.
ii Reserved 3 For ANAC AD 20200701R01, contact National Civil Aviation Agency ANAC, Aeronautical Products Certification Branch GGCP, Rua Dr. Orlando Feirabend Filho, 230Centro Empresarial AquariusTorre BAndares 14 a 18, Parque Residencial Aquarius, CEP 12.246190Sao Jose dos CamposSP, BRAZIL, Tel: 55 12 3203
6600; Email: pac@anac.gov.br; internet www.anac.gov.br/en/. You may find this IBR
material on the ANAC website at https
sistemas.anac.gov.br/certificacao/DA/
DAE.asp.
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 2062313195. This material may be found in the AD docket on the internet at https
www.regulations.gov by searching for and locating Docket No. FAA20210701.

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5 You may view this material that is incorporated by reference at the National Archives and Records Administration NARA. For information on the availability of this material at NARA, email fr.inspection@nara.gov, or go to: https
www.archives.gov/federal-register/cfr/ibrlocations.html.
Issued on September 9, 2021.
Ross Landes, Deputy Director for Regulatory Operations, Compliance & Airworthiness Division, Aircraft Certification Service.
FR Doc. 202119847 Filed 91521; 8:45 am BILLING CODE 491013P

DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration 14 CFR Part 39
Docket No. FAA20210306; Project Identifier MCAI202001493E; Amendment 3921706; AD 20211805
RIN 2120AA64

Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Type Certificate Previously Held by RollsRoyce plc Turbofan Engines Federal Aviation Administration FAA, DOT.
ACTION: Final rule.
AGENCY:

The FAA is superseding Airworthiness Directive AD 202015
12 for certain Rolls-Royce Deutschland Ltd & Co KG RRD Trent 1000 model turbofan engines. AD 20201512
required initial and repetitive ultrasonic or visual inspections of the intermediate-pressure compressor IPC
stage 1 rotor blade root front face, IPC
stage 2 rotor blade root front and rear face, and IPC shaft stage 2 dovetail post front face, and removal of any cracked parts from service. AD 20201512 also required an inspection after asymmetric power and cabin depressurization events. This AD was prompted by IPC
rotor blade separations resulting in engine failures. This AD requires initial and repetitive ultrasonic or visual inspections of certain IPC stage 1 rotor blade root, IPC stage 2 rotor blade root, and IPC shaft stage 2 dovetail posts until replacement of the IPC stage 1 and stage 2 rotor blades with redesigned IPC stage 1 and stage 2 rotor blades in kitted sets.
The FAA is issuing this AD to address the unsafe condition on these products.
DATES: This AD is effective October 21, 2021.
The Director of the Federal Register approved the incorporation by reference of certain publications listed in this AD
as of October 21, 2021.
SUMMARY:

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