Federal Register / Vol. 85, No. 244 / Friday, December 18, 2020 / Rules and Regulations 82299 

December 18, 2020, and ends at the end 

of June 16, 2021. 

* * * * * 

Chad R. Mizelle, 

Senior Official Performing the Duties of the 

General Counsel, U.S. Department of 

Homeland Security. 

[FR Doc. 2020–27661 Filed 12–17–20; 8:45 am] 

BILLING CODE 9111–97–P 

DEPARTMENT OF TRANSPORTATION 

Federal Aviation Administration 

14 CFR Part 39 

[Docket No. FAA–2020–1121; Project 

Identifier MCAI–2020–01546–T; Amendment 

39–21356; AD 2020–26–01] 

RIN 2120–AA64 

Airworthiness Directives; Airbus SAS 

Airplanes 

AGENCY: Federal Aviation 

Administration (FAA), DOT. 

ACTION: Final rule; request for 

comments. 

SUMMARY: The FAA is superseding 

Airworthiness Directive (AD) 2019–03– 

18, which applied to all Airbus SAS 

Model A318–111, –112, –121, and –122 

airplanes; Model A319–111, –112, –113, 

–114, –115, –131, –132, and –133 

airplanes; and Model A320–211, –212, 

–214, –216, –231, –232, and –233 

airplanes. AD 2019–03–18 required 

repetitive general visual inspections for 

cracks, and replacement if necessary, of 

certain main landing gear (MLG) sliding 

tubes that were subject to improperly 

performed magnetic particle 

inspections. This AD continues to 

require repetitive general visual 

inspections of the affected MLG sliding 

tubes for cracks and replacement if 

necessary, and requires inspections, and 

replacement if necessary, of additional 

MLG sliding tubes; as specified in a 

European Union Aviation Safety Agency 

(EASA) AD, which is incorporated by 

reference. This AD was prompted by the 

identification of additional MLG sliding 

tubes that might have been subject to 

the same improperly performed 

magnetic particle inspection. The FAA 

is issuing this AD to address the unsafe 

condition on these products. 

DATES: This AD becomes effective 

January 4, 2021. 

The Director of the Federal Register 

approved the incorporation by reference 

of a certain publication listed in this AD 

as of January 4, 2021. 

The FAA must receive comments on 

this AD by February 1, 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: 202–493–2251. 

• 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. 

• Hand Delivery: Deliver to Mail 

address above between 9 a.m. and 5 

p.m., Monday through Friday, except 

Federal holidays. 

For material incorporated by reference 

(IBR) in this AD, contact the EASA, 

Konrad-Adenauer-Ufer 3, 50668 

Cologne, Germany; telephone +49 221 

8999 000; email ADs@easa.europa.eu; 

internet www.easa.europa.eu. You may 

find this IBR material on the EASA 

website at https://ad.easa.europa.eu. 

You may view this IBR 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 in the AD docket on 

the internet at https://

www.regulations.gov by searching for 

and locating Docket No. FAA–2020– 

1121. 

Examining the AD Docket 

You may examine the AD docket on 

the internet at https://

www.regulations.gov by searching for 

and locating Docket No. FAA–2020– 

1121; 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 AD, any 

comments received, and other 

information. The street address for 

Docket Operations is listed above. 

Comments will be available in the AD 

docket shortly after receipt. 

FOR FURTHER INFORMATION CONTACT: 

Sanjay Ralhan, Aerospace Engineer, 

Large Aircraft Section, International 

Validation Branch, FAA, 2200 South 

216th St., Des Moines, WA 98198; 

telephone and fax 206–231–3223. 

SUPPLEMENTARY INFORMATION: 

Discussion 

The FAA issued AD 2019–03–18, 

Amendment 39–19570 (84 FR 7804, 

March 5, 2019) (AD 2019–03–18), which 

applied to all Airbus SAS Model A318– 

111, –112, –121, and –122 airplanes; 

Model A319–111, –112, –113, –114, 

–115, –131, –132, and –133 airplanes; 

and Model A320–211, –212, –214, –216, 

–231, –232, and –233 airplanes. AD 

2019–03–18 required repetitive general 

visual inspections of the MLG sliding 

tubes for cracks, and replacement if 

necessary. The FAA issued AD 2019– 

03–18 to address cracks on the MLG 

sliding tubes, which could cause MLG 

sliding tube fracture, and could result in 

the MLG collapsing, damage to the 

airplane, and injury to occupants. 

Actions Since AD 2019–03–18 Was 

Issued 

Since the FAA issued AD 2019–03– 

18, additional MLG sliding tubes have 

been identified that might also have 

been subject to the same improperly 

performed magnetic particle inspection. 

The EASA, which is the Technical 

Agent for the Member States of the 

European Union, has issued EASA AD 

2020–0258, dated November 18, 2020; 

corrected November 19, 2020 (EASA AD 

2020–0258) (also referred to as the 

Mandatory Continuing Airworthiness 

Information, or the MCAI), to correct an 

unsafe condition for all Airbus SAS 

Model A318–111, A318–112, A318–121, 

A318–122, A319–111, A319–112, A319– 

113, A319–114, A319–115, A319–131, 

A319–132, A319–133, A320–211, A320– 

212, A320–214, A320–215, A320–216, 

A320–231, A320–232 and A320–233 

airplanes. EASA AD 2020–0258 

supersedes EASA AD 2018–0136, dated 

June 26, 2018 (which corresponds to 

FAA AD 2019–03–18). Model A320–215 

airplanes are not certificated by the FAA 

and are not included on the U.S. type 

certificate data sheet; this AD, therefore, 

does not include those airplanes in the 

applicability. 

This AD was prompted by reports of 

cracks found on additional MLG sliding 

tubes that may have been subject to the 

same improperly performed magnetic 

particle inspection. The FAA is issuing 

this AD to address cracks on the MLG 

sliding tubes, which could cause MLG 

sliding tube fracture, and could result in 

the MLG collapsing, damage to the 

airplane, and injury to occupants. See 

the MCAI for additional background 

information. 

Explanation of Retained Requirements 

Although this AD does not explicitly 

restate the requirements of AD 2019– 

03–18, this AD retains certain 

requirements of AD 2019–03–18. Those 

requirements are referenced in EASA 

AD 2020–0258, which, in turn, is 

referenced in paragraph (g) of this AD. 

Relationship Between This AD and AD 

2020–21–09 

EASA AD 2020–0258 notes that EASA 

AD 2020–0193, dated September 7, 2020 

(EASA AD 2020–0193), requires a oneVerDate Sep<11>2014 19:27 Dec 17, 2020 Jkt 253001 PO 00000 Frm 00009 Fmt 4700 Sfmt 4700 E:\FR\FM\18DER1.SGM 18DER1

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82300 Federal Register / Vol. 85, No. 244 / Friday, December 18, 2020 / Rules and Regulations 

time inspection using the Airbus alert 

operators transmission identified in 

EASA AD 2020–0258. EASA AD 2020– 

0193 corresponds to FAA AD 2020–21– 

09, Amendment 39–21282 (85 FR 

65200, October 15, 2020; corrected 

October 27, 2020 (85 FR 67965)) (AD 

2020–21–09). AD 2020–21–09 requires a 

general visual inspection of the MLG 

sliding tubes for cracks, and 

replacement, if necessary. That AD 

applies to all Airbus SAS Model A318 

series airplanes; Model A319 series 

airplanes; Model A320 series airplanes; 

and Model A321 series airplanes. 

Related Service Information Under 1 

CFR Part 51 

EASA AD 2020–0258 describes 

procedures for repetitive general visual 

inspections of the MLG sliding tubes for 

cracks, and replacement if necessary. 

EASA AD 2020–0258 also describes 

terminating actions for the repetitive 

inspections of affected MLG sliding 

tubes by either overhauling an affected 

MLG sliding tube or replacing an 

affected MLG sliding tube with an MLG 

sliding tube that is not affected. 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 the State 

of Design Authority, the FAA has been 

notified of the unsafe condition 

described in the MCAI referenced 

above. The FAA is issuing this AD 

because the FAA has evaluated all 

pertinent information and determined 

the unsafe condition exists and is likely 

to exist or develop on other products of 

the same type design. 

Requirements of This AD 

This AD requires accomplishing the 

actions specified in EASA AD 2020– 

0258 described previously, as 

incorporated by reference, except for 

any differences identified as exceptions 

in the regulatory text of this AD. 

Explanation of Required Compliance 

Information 

In the FAA’s ongoing efforts to 

improve the efficiency of the AD 

process, the FAA initially worked with 

Airbus and EASA to develop a process 

to use certain EASA ADs as the primary 

source of information for compliance 

with requirements for corresponding 

FAA ADs. The FAA has since 

coordinated with other manufacturers 

and civil aviation authorities (CAAs) to 

use this process. As a result, EASA AD 

2020–0258 is incorporated by reference 

in this final rule. This AD, therefore, 

requires compliance with EASA AD 

2020–0258 in its entirety, through that 

incorporation, except for any differences 

identified as exceptions in the 

regulatory text of this AD. Using 

common terms that are the same as the 

heading of a particular section in the 

EASA AD 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 the EASA 

AD. Service information specified in 

EASA AD 2020–0258 that is required for 

compliance with EASA AD 2020–0258 

is available on the internet at https://

www.regulations.gov by searching for 

and locating Docket No. FAA–2020– 

1121. 

FAA’s Justification and Determination 

of the Effective Date 

An unsafe condition exists that 

requires the immediate adoption of this 

AD without providing an opportunity 

for public comments prior to adoption. 

The FAA has found that the risk to the 

flying public justifies waiving notice 

and comment prior to adoption of this 

rule because cracks on the MLG sliding 

tubes, if not detected and corrected, 

could lead to MLG sliding tube fracture, 

resulting in MLG collapse with 

consequent damage to the airplane and 

injury to occupants. In addition, the 

compliance time for the required action 

is shorter than the time necessary for the 

public to comment and for publication 

of the final rule. Therefore, the FAA 

finds good cause that notice and 

opportunity for prior public comment 

are impracticable. In addition, for the 

reasons stated above, the FAA finds that 

good cause exists for making this 

amendment effective in less than 30 

days. 

Comments Invited 

The FAA invites 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–2020–1121; Project Identifier 

MCAI–2020–01546–T’’ at the beginning 

of your comments. The most helpful 

comments reference a specific portion of 

the final rule, 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 final rule 

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 https://

www.regulations.gov, including any 

personal information you provide. The 

agency will also post a report 

summarizing each substantive verbal 

contact received about this final rule. 

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 AD 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 AD, 

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 AD. Submissions containing CBI 

should be sent to Sanjay Ralhan, 

Aerospace Engineer, Large Aircraft 

Section, International Validation 

Branch, FAA, 2200 South 216th St., Des 

Moines, WA 98198; telephone and fax 

206–231–3223. Any commentary that 

the FAA receives which is not 

specifically designated as CBI will be 

placed in the public docket for this 

rulemaking. 

Regulatory Flexibility Act (RFA) 

The requirements of the RFA do not 

apply when an agency finds good cause 

pursuant to 5 U.S.C. 553 to adopt a rule 

without prior notice and comment. 

Because the FAA has determined that it 

has good cause to adopt this rule 

without notice and comment, RFA 

analysis is not required. 

Costs of Compliance 

The FAA estimates that this AD 

affects 1,467 airplanes of U.S. registry. 

The FAA estimates the following costs 

to comply with this AD: 


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Federal Register / Vol. 85, No. 244 / Friday, December 18, 2020 / Rules and Regulations 82301 

ESTIMATED COSTS FOR REQUIRED ACTIONS

Actions Labor cost Parts cost Cost per product Cost on U.S. operators 

Retained actions from AD 2019– 

03–18.

Up to 2 work-hours × $85 per 

hour = Up to $170.

$0 Up to $170 ........ Up to $138,890 (817 airplanes). 

New actions ................................... Up to 2 work-hours × $85 per 

hour = Up to $170.

0 Up to $170 ........ Up to $249,390 (1,467 airplanes). 

The FAA estimates the following 

costs to do any necessary on-condition 

action that would be required based on 

the results of any required actions. The 

FAA has no way of determining the 

number of aircraft that might need this 

on-condition action: 

ESTIMATED COSTS OF ON-CONDITION ACTIONS

Labor cost Parts cost Cost per 

product 

19 work-hours × $85 per hour = $1,615 ................................................................................................................. $185 $1,800 

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 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, 

and 

(2) Will not affect intrastate aviation 

in Alaska. 

List of Subjects in 14 CFR Part 39 

Air transportation, Aircraft, Aviation 

safety, Incorporation by reference, 

Safety. 

Adoption of 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 

■ 1. The authority citation for part 39 

continues to read as follows: 

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

§ 39.13 [Amended] 

■ 2. The FAA amends § 39.13 by: 

■ a. Removing airworthiness directive 

(AD) 2019–03–18, Amendment 39– 

19570 (84 FR 7804, March 5, 2019), and 

■ b. Adding the following new AD: 

2020–26–01 Airbus SAS: Amendment 39– 

21356; Docket No. FAA–2020–1121; 

Project Identifier MCAI–2020–01546–T. 

(a) Effective Date 

This airworthiness directive (AD) becomes 

effective January 4, 2021. 

(b) Affected ADs 

This AD replaces AD 2019–03–18, 

Amendment 39–19570 (84 FR 7804, March 5, 

2019) (AD 2019–03–18). 

(c) Applicability 

This AD applies to all Airbus SAS 

airplanes identified in paragraphs (c)(1) 

through (3) of this AD, certificated in any 

category. 

(1) Model A318–111, –112, –121, and –122 

airplanes. 

(2) Model A319–111, –112, –113, –114, 

–115, –131, –132, and –133 airplanes. 

(3) Model A320–211, –212, –214, –216, 

–231, –232, and –233 airplanes. 

(d) Subject 

Air Transport Association (ATA) of 

America Code 32, Landing gear. 

(e) Reason 

This AD was prompted by reports of cracks 

that were found on main landing gear (MLG) 

sliding tubes after improperly performed 

magnetic particle inspections of the MLG 

sliding tubes were done. The FAA is issuing 

this AD to address cracks on the MLG sliding 

tubes, which could cause MLG sliding tube 

fracture, and could result in the MLG 

collapsing, damage to the airplane, and 

injury to occupants. 

(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, EASA AD 2020–0258, 

dated November 18, 2020; corrected 

November 19, 2020 (EASA AD 2020–0258). 

(h) Exceptions to EASA AD 2020–0258 

(1) Where EASA AD 2020–0258 refers to its 

effective date, this AD requires using the 

effective date of this AD. 

(2) Where EASA AD 2020–0258 refers to 

July 10, 2018 (the effective date of EASA AD 

2018–0136, dated June 26, 2018), this AD 

requires using April 9, 2019 (the effective 

date of AD 2019–03–18). 

(3) The ‘‘Remarks’’ section of EASA AD 

2020–0258 does not apply to this AD. 

(i) No Reporting Requirement 

Although the service information 

referenced in EASA AD 2020–0258 specifies 

to submit certain information to the 

manufacturer, this AD does not include that 

requirement. 

(j) 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 


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82302 Federal Register / Vol. 85, No. 244 / Friday, December 18, 2020 / Rules and Regulations 

information directly to the Large Aircraft 

Section, International Validation Branch, 

send it to the attention of the person 

identified in paragraph (k) of this AD. 

Information may be emailed to: 9-AVS-AIR730-AMOC@faa.gov. 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, Large Aircraft Section, 

International Validation Branch, FAA; or 

EASA; or Airbus SAS’s EASA Design 

Organization Approval (DOA). If approved by 

the DOA, the approval must include the 

DOA-authorized signature. 

(3) Required for Compliance (RC): Except 

as required by paragraph (j)(2) of this AD and 

as specified in paragraph (i) of this AD, if any 

service information referenced in EASA AD 

2020–0258 contains paragraphs that are 

labeled as RC, the instructions in RC 

paragraphs, including subparagraphs under 

an RC paragraph, must be done to comply 

with this AD; any paragraphs, including 

subparagraphs under those paragraphs, that 

are not identified as RC are recommended. 

The instructions in paragraphs, including 

subparagraphs under those paragraphs, not 

identified as RC may be deviated from using 

accepted methods in accordance with the 

operator’s maintenance or inspection 

program without obtaining approval of an 

AMOC, provided the instructions identified 

as RC can be done and the airplane can be 

put back in an airworthy condition. Any 

substitutions or changes to instructions 

identified as RC require approval of an 

AMOC. 

(k) Related Information 

For more information about this AD, 

contact Sanjay Ralhan, Aerospace Engineer, 

Large Aircraft Section, International 

Validation Branch, FAA, 2200 South 216th 

St., Des Moines, WA 98198; telephone and 

fax 206–231–3223. 

(l) 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. 552(a) 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. 

(3) The following service information was 

approved for IBR on January 4, 2021. 

(i) European Union Aviation Safety Agency 

(EASA) AD 2020–0258, dated November 18, 

2020; corrected November 19, 2020. 

(ii) [Reserved] 

(4) For EASA AD 2020–0258, contact the 

EASA, Konrad-Adenauer-Ufer 3, 50668 

Cologne, Germany; telephone +49 221 8999 

000; email ADs@easa.europa.eu; internet 

www.easa.europa.eu. You may find this 

EASA AD on the EASA website at https://

ad.easa.europa.eu. 

(5) 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. This material may be found 

in the AD docket on the internet at https:// 

www.regulations.gov by searching for and 

locating Docket No. FAA–2020–1121. 

(6) 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 fedreg.legal@

nara.gov, or go to: https://www.archives.gov/ 

federal-register/cfr/ibr-locations.html. 

Issued on December 7, 2020. 

Lance T. Gant, 

Director, Compliance & Airworthiness 

Division, Aircraft Certification Service. 

[FR Doc. 2020–27975 Filed 12–15–20; 4:15 pm] 

BILLING CODE 4910–13–P 

DEPARTMENT OF TRANSPORTATION 

Federal Aviation Administration 

14 CFR Part 39 

[Docket No. FAA–2020–1032; Project 

Identifier MCAI–2020–00856–E; Amendment 

39–21338; AD 2020–24–08] 

RIN 2120–AA64 

Airworthiness Directives; Rolls-Royce 

Deutschland Ltd & Co KG (Type 

Certificate Previously Held by RollsRoyce plc) Turbofan Engines 

AGENCY: Federal Aviation 

Administration (FAA), DOT. 

ACTION: Final rule; request for 

comments. 

SUMMARY: The FAA is adopting a new 

airworthiness directive (AD) for certain 

Rolls-Royce Deutschland Ltd & Co KG 

(Type Certificate Previously Held by 

Rolls-Royce plc) (RRD) RB211 Trent 

768–60, 772–60, 772B–60 and 772C–60 

model turbofan engines. This AD 

requires replacement of high-pressure 

turbine (HPT) blades with parts eligible 

for installation before exceeding 

specified flight cycles since new. This 

AD was prompted by several reports 

from the manufacturer that HPT blades 

on RB211 Trent 700 model turbofan 

engines have been subject to high levels 

of corrosion fatigue, leading to blade 

cracking and eventual release, resulting 

in an aborted take-off and in-flight shutdowns. The FAA is issuing this AD to 

address the unsafe condition on these 

products. 

DATES: This AD is effective January 4, 

2021. 

The Director of the Federal Register 

approved the incorporation by reference 

of a certain publication listed in this AD 

as of January 4, 2021. 

The FAA must receive comments on 

this AD by February 1, 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: (202) 493–2251. 

• 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. 

• Hand Delivery: Deliver to Mail 

address above between 9 a.m. and 5 

p.m., Monday through Friday, except 

Federal holidays. 

For service information identified in 

this final rule, contact Rolls-Royce plc, 

P.O. Box 31, Derby, DE24 8BJ, United 

Kingdom, phone: +44 (0)1332 242424; 

website: https://www.rolls-royce.com/ 

contact-us.aspx. You may view this 

service information at the FAA, 

Airworthiness Products Section, 

Operational Safety Branch, 1200 District 

Avenue, Burlington, MA 01803. For 

information on the availability of this 

material at the FAA, call (781) 238– 

7759. It is also available at https://

www.regulations.gov by searching for 

and locating Docket No. FAA–2020– 

1032. 

Examining the AD Docket 

You may examine the AD docket at 

https://www.regulations.gov by 

searching for and locating Docket No. 

FAA–2020–1032; 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, any comments received, and 

other information. The street address for 

the Docket Operations is listed above. 

FOR FURTHER INFORMATION CONTACT: 

Scott Stevenson, Aviation Safety 

Engineer, ECO Branch, FAA, 1200 

District Avenue, Burlington, MA 01803; 

phone: (781) 238–7132; fax: (781) 238– 

7199; email: Scott.M.Stevenson@faa.gov. 

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 AD No. 

2018–0291, dated December 21, 2018 

(referred to after this as ‘‘the MCAI’’), to 

address the unsafe condition for the 

specified products. The MCAI states: 

HP turbine blades on a number of Trent 

700 engines have been subject to high levels 

of corrosion fatigue, leading to blade cracking 

and eventual release. This has caused a 


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