Federal Register / Vol. 87, No. 36 / Wednesday, February 23, 2022 / Proposed Rules 10107 

5There are no existing NRC licenses in these fee categories. If NRC issues a license for these categories, the Commission will consider establishing an annual fee for this type of license. 6Standardized spent fuel facilities, 10 CFR parts 71 and 72 Certificates of Compliance and related Quality Assurance program approvals, and 

special reviews, such as topical reports, are not assessed an annual fee because the generic costs of regulating these activities are primarily attributable to users of the designs, certificates, and topical reports. 7 Licensees in this category are not assessed an annual fee because they are charged an annual fee in other categories while they are licensed to operate. 8 No annual fee is charged because it is not practical to administer due to the relatively short life or temporary nature of the license. 9Separate annual fees will not be assessed for pacemaker licenses issued to medical institutions that also hold nuclear medicine licenses 

under fee categories 7.A, 7.A.1, 7.A.2, 7.B., 7.B.1, 7.B.2, 7.C, 7.C.1, or 7.C.2. 10This includes Certificates of Compliance issued to the U.S. Department of Energy that are not funded from the Nuclear Waste Fund. 11See § 171.15(c). 12See § 171.15(c). 13 No annual fee is charged for this category because the cost of the general license registration program applicable to licenses in this category will be recovered through 10 CFR part 170 fees. 14Persons who possess radium sources that are used for operational purposes in another fee category are not also subject to the fees in this 

category. (This exception does not apply if the radium sources are possessed for storage only.) 15 Licensees subject to fees under categories 1.A., 1.B., 1.E., 2.A., and licensees paying fees under fee category 17 must pay the largest applicable fee and are not subject to additional fees listed in this table. 16 Licensees paying fees under 3.C. are not subject to fees under 2.B. for possession and shielding authorized on the same license. 17 Licensees paying fees under 7.C. are not subject to fees under 2.B. for possession and shielding authorized on the same license. 18 Licensees paying fees under 3.N. are not subject to paying fees under 3.P., 3.P.1, or 3.P.2 for calibration or leak testing services authorized 

on the same license. 19 Licensees paying fees under 7.B., 7.B.1, or 7.B.2 are not subject to paying fees under 7.C., 7.C.1, or 7.C.2 for broad scope license licenses 

issued under parts 30, 35, 40, and 70 of this chapter for human use of byproduct material, source material, and/or special nuclear material, except licenses for byproduct material, source material, or special nuclear material in sealed sources contained in teletherapy devices authorized 

on the same license. 20 No annual fee is charged for a materials license (or part of a materials license) that has transitioned to this fee category because the decommissioning costs will be recovered through 10 CFR part 170 fees, but annual fees may be charged for other activities authorized under the license that are not in decommissioning status. 21 Licensees paying fees under 4.A., 4.B. or 4.C. are not subject to paying fees under 3.N. licenses that authorize services for other licensees 

authorized on the same license. 

Dated: February 15, 2022. 

For the Nuclear Regulatory Commission. 

Cherish K. Johnson, 

Chief Financial Officer. 

[FR Doc. 2022–03715 Filed 2–18–22; 4:15 pm] 

BILLING CODE 7590–01–P 

DEPARTMENT OF TRANSPORTATION 

Federal Aviation Administration 

14 CFR Part 39 

[Docket No. FAA–2022–0145; Project 

Identifier MCAI–2021–00522–R] 

RIN 2120–AA64 

Airworthiness Directives; Bell Textron 

Canada Limited (Type Certificate 

Previously Held by Bell Helicopter 

Textron Canada Limited) Helicopters 

AGENCY: Federal Aviation 

Administration (FAA), DOT. 

ACTION: Notice of proposed rulemaking 

(NPRM). 

SUMMARY: The FAA proposes to 

supersede Airworthiness Directive (AD) 

2019–11–05, which applies to Bell 

Helicopter Textron Canada Limited 

(now Bell Textron Canada Limited) 

Model 429 helicopters having certain 

tail rotor (TR) pitch link assemblies. AD 

2019–11–05 requires inspecting the TR 

pitch link assemblies, and replacing 

certain pitch link bearings. Since the 

FAA issued AD 2019–11–05, the FAA 

has determined that all TR pitch link 

assemblies are affected by the unsafe 

condition. This proposed AD would 

continue to require the actions specified 

in AD 2019–11–05, and would revise 

the applicability and require inspections 

of certain other TR pitch link 

assemblies. 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 April 11, 2022. 

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 NPRM, contact Bell Textron Canada 

Limited, 12,800 Rue de l’Avenir, 

Mirabel, Quebec J7J 1R4, Canada; 

telephone 1–450–437–2862 or 1–800– 

363–8023; fax 1–450–433–0272; email 

productsupport@bellflight.com; or at 

https://www.bellflight.com/support/ 

contact-support. You may view this 

material at the FAA, Office of the 

Regional Counsel, Southwest Region, 

10101 Hillwood Pkwy., Room 6N–321, 

Fort Worth, TX 76177. For information 

on the availability of this material at the 

FAA, call 817–222–5110. 

Examining the AD Docket 

You may examine the AD docket at 

https://www.regulations.gov by 

searching for and locating Docket No. 

FAA–2022–0145; 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 Transport Canada Civil 

Aviation (TCCA) AD, any comments 

received, and other information. The 

street address for Docket Operations is 

listed above. 

FOR FURTHER INFORMATION CONTACT: Hal 

Jensen, Aerospace Engineer, Operational 

Safety Branch, Compliance & 

Airworthiness Division, FAA, 950 

L’Enfant Plaza N SW, Washington, DC 

20024; phone: (202) 267–9167; email: 

hal.jensen@faa.gov. 

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 ADDRESSES. Include ‘‘Docket No. 

FAA–2022–0145; Project Identifier 

MCAI–2021–00522–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. 


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10108 Federal Register / Vol. 87, No. 36 / Wednesday, February 23, 2022 / Proposed Rules 

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 proposal. 

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 Hal Jensen, Aerospace 

Engineer, Operational Safety Branch, 

Compliance & Airworthiness Division, 

FAA, 950 L’Enfant Plaza N SW, 

Washington, DC 20024; phone: (202) 

267–9167; email: hal.jensen@faa.gov. 

Any commentary that the FAA receives 

that is not specifically designated as CBI 

will be placed in the public docket for 

this rulemaking. 

Background 

The FAA issued AD 2019–11–05, 

Amendment 39–19651 (84 FR 26546, 

June 7, 2019) (AD 2019–11–05), which 

applies to certain Bell Helicopter 

Textron Canada Limited Model 429 

helicopters. AD 2019–11–05 requires 

inspecting the TR pitch link assemblies, 

and replacing certain pitch link 

bearings. The FAA issued AD 2019–11– 

05 to address a worn pitch link, which 

if not corrected, could result in pitch 

link failure and subsequent loss of 

control of the helicopter. 

Actions Since AD 2019–11–05 Was 

Issued 

Since the FAA issued AD 2019–11– 

05, the FAA has determined that 

additional TR pitch link assemblies are 

affected by the unsafe condition. AD 

2019–11–05 applies to helicopters with 

a pitch link assembly part number (P/N) 

429–012–112–101, 429–012–112–103, 

429–012–112–101FM, or 429–012–112– 

103FM installed. However, as specified 

in the corresponding TCCA AD, CF– 

2015–16R2, dated April 3, 2017 (TCCA 

AD CF–2015–16R2), all pitch link 

assemblies are part of the repetitive 

inspections. 

The TCCA, which is the aviation 

authority for Canada, has issued TCCA 

AD CF–2015–16R3, dated April 30, 

2021 (TCCA AD CF–2015–16R3) (also 

referred to as the Mandatory Continuing 

Airworthiness Information, or the 

MCAI), to correct an unsafe condition 

for certain Bell Helicopter Textron 

Canada Limited Model 429 helicopters. 

TCCA AD CF–2015–16R3 retains the 

requirements of TCCA AD CF–2015– 

16R2 and revises the applicability by 

specifying certain helicopter serial 

numbers to account for new production 

helicopters which have already 

incorporated the new pitch link 

assemblies and corrected the unsafe 

condition. TCCA AD CF–2015–16R3 

also specifies that installing a new pitch 

link assembly terminates the repetitive 

inspections. 

This proposed AD was prompted by 

a report of a worn pitch link, and the 

FAA’s determination that that all TR 

pitch link assemblies are affected by the 

unsafe condition. The FAA is proposing 

this AD to address a worn pitch link, 

which if not corrected, could result in 

pitch link failure and subsequent loss of 

control of the helicopter. See the MCAI 

for additional background information. 

FAA’s Determination 

These products have been approved 

by the aviation authority of Canada, and 

are approved for operation in the United 

States. Pursuant to the bilateral 

agreement with Canada, TCCA, its 

technical representative, has notified 

the FAA of the unsafe condition 

described in its AD. The FAA is 

proposing this AD after evaluating all 

known relevant information and 

determining the unsafe condition 

described previously is likely to exist or 

develop in other products of the same 

type design. 

Related Service Information Under 1 

CFR Part 51 

The FAA reviewed Bell Alert Service 

Bulletin No. 429–15–16, Revision C, 

dated October 16, 2020. This service 

information contains procedures for 

inspecting the TR pitch link assemblies, 

replacing certain pitch link bearings, 

and replacement of the pitch link 

assemblies. 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. 

Proposed AD Requirements in this 

NPRM 

This proposed AD would retain all of 

the requirements of AD 2019–11–05. 

This proposed AD would revise the 

applicability and require inspections of 

all TR pitch link assemblies. 

Costs of Compliance 

The FAA estimates that this proposed 

AD affects 120 helicopters of U.S. 

registry. The FAA estimates the 

following costs to comply with this 

proposed AD: 

ESTIMATED COSTS FOR REQUIRED ACTIONS

Action Labor cost Parts cost Cost per product Cost on U.S. 

operators 

Retained inspections from AD 

2019-11-05.

2 work-hours × $85 per hour 

= $170 per inspection cycle.

$0 $170 per inspection cycle ...... $20,400 per inspection cycle. 

New inspections ..................... 2 work-hours × $85 per hour 

= $170 per inspection cycle.

0 170 per inspection cycle ........ 20,400 per inspection cycle. 

The FAA estimates the following 

costs to do any necessary on-condition 

replacements that would be required 

based on the results of any required 

actions. The FAA has no way of 

determining the number of helicopters 

that might need these on-condition 

actions: 


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Federal Register / Vol. 87, No. 36 / Wednesday, February 23, 2022 / Proposed Rules 10109 

ESTIMATED COSTS OF ON-CONDITION ACTIONS

Action Labor cost Parts cost Cost per 

product 

Cost on U.S. 

operators 

Bearing replacements ..................................... 3 work-hours × $85 per hour = $255 ............. $3,340 $3,343 $401,160 

According to the manufacturer, some 

of the costs of this proposed AD may be 

covered under warranty, thereby 

reducing the cost impact on affected 

operators. The FAA does not control 

warranty coverage for affected operators. 

As a result, the FAA has included all 

known costs in the cost estimate. 

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 

■ 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) 2019–11–05, Amendment 39– 

19651 (84 FR 26546, June 7, 2019); and 

■ b. Adding the following new AD: 

Bell Textron Canada Limited (Type 

Certificate Previously Held by Bell 

Helicopter Textron Canada Limited): 

Docket No. FAA–2022–0145; Project 

Identifier MCAI–2021–00522–R. 

(a) Comments Due Date 

The FAA must receive comments on this 

airworthiness directive (AD) action by April 

11, 2022. 

(b) Affected ADs 

(1) This AD replaces AD 2019–11–05, 

Amendment 39–19651 (84 FR 26546, June 7, 

2019) (AD 2019–11–05). 

(2) This AD affects AD 2020–17–10, 

Amendment 39–21215 (85 FR 49941, August 

17, 2020) (AD 2020–17–10). 

(c) Applicability 

This AD applies to Bell Textron Canada 

Limited (type certificate previously held by 

Bell Helicopter Textron Canada Limited) 

Model 429 helicopters, certificated in any 

category, serial numbers 57001 through 

57401 inclusive. 

(d) Subject 

Joint Aircraft System Component (JASC) 

Code 6720, Tail Rotor Control System. 

(e) Unsafe Condition 

This AD was prompted by a report of a 

worn pitch link. The FAA is issuing this AD 

to address a worn pitch link, which if not 

corrected, could result in pitch link failure 

and subsequent loss of control of the 

helicopter. 

(f) Compliance 

Comply with this AD within the 

compliance times specified, unless already 

done. 

(g) Retained Requirements 

(1) For pitch link assembly part number (P/ 

N) 429–012–112–101, 429–012–112–103, 

429–012–112–101FM, and 429–012–112– 

103FM: Within 50 hours time-in-service (TIS) 

after July 12, 2019 (the effective date of AD 

2019–11–05) and thereafter at intervals not to 

exceed 50 hours TIS: 

(i) Perform a dimensional inspection of 

each inboard and outboard pitch link 

assembly for axial and radial bearing play. 

With a 10X or higher power magnifying glass, 

inspect the bearing liner for a crack, 

deterioration of the liner, and extrusion of 

the liner from the plane. If there is axial or 

radial play that exceeds allowable limits, or 

if there is a crack, deterioration of the liner, 

or extrusion of the liner, before further flight, 

replace the bearing. 

(ii) Inspect the pitch link assembly sealant 

for pin holes and voids and to determine if 

the sealant thickness is 0.025 inch (0.64 mm) 

or less, extends over the roll staked lip by 

0.030 inch (0.76 mm) or more, and is clear 

of the bearing ball. If there is a pin hole or 

void, or if the sealant exceeds 0.026 inch 

(0.66 mm), does not extend over the roll 

staked lip by 0.030 inch (0.76 mm) or more, 

or is not clear of the bearing ball, before 

further flight, replace the bearing. 

(2) For pitch link assembly part number (P/ 

N) 429–012–112–101, 429–012–112–103, 

429–012–112–101FM, and 429–012–112– 

103FM, within 200 hours TIS following the 

initial inspection required by paragraph (g)(1) 

of this AD, or if the hours TIS of a pitch link 

assembly exceed 250 hours TIS or are 

unknown, at the next 50-hour-TIS inspection 

required by paragraph (g)(1) of this AD: 

(i) Replace each bearing P/N 429–312–107– 

103 with a date of manufacture before 

January 13, 2015, with a bearing P/N 429– 

312–107–103 that was manufactured on or 

after January 13, 2015. 

(ii) Using a white permanent fine point 

marker or equivalent, re-identify the pitch 

link assembly: 

(A) Re-identify P/N 429–012–112–101 and 

429–012–112–101FM as 429–012–112– 

111FM. 

(B) Re-identify P/N 429–012–112–103 and 

429–012–112–103FM as 429–012–112– 

113FM. 

(iii) Apply a coating of DEVCON 2–TON 

(C–298) or equivalent over the new P/N. 

(h) New Requirements 

For pitch link assemblies other than P/N 

429–012–112–101, 429–012–112–103, 429– 

012–112–101FM, and 429–012–112–103FM: 

Within 50 hours TIS after the effective date 

of this AD and thereafter at intervals not to 

exceed 50 hours TIS: 

(1) Perform a dimensional inspection of 

each inboard and outboard pitch link 

assembly for axial and radial bearing play. 

With a 10X or higher power magnifying glass, 

inspect the bearing liner for a crack, 

deterioration of the liner, and extrusion of 

the liner from the plane. If there is axial or 

radial play that exceeds allowable limits, or 


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10110 Federal Register / Vol. 87, No. 36 / Wednesday, February 23, 2022 / Proposed Rules 

if there is a crack, deterioration of the liner, 

or extrusion of the liner, before further flight, 

replace the bearing. 

(2) Inspect the pitch link assembly sealant 

for pin holes and voids and to determine if 

the sealant thickness is 0.025 inch (0.64 mm) 

or less, extends over the roll staked lip by 

0.030 inch (0.76 mm) or more, and is clear 

of the bearing ball. If there is a pin hole or 

void, or if the sealant exceeds 0.026 inch 

(0.66 mm), does not extend over the roll 

staked lip by 0.030 inch (0.76 mm) or more, 

or is not clear of the bearing ball, before 

further flight, replace the bearing. 

(i) Terminating Action for Certain Actions in 

AD 2020–17–10 

Accomplishing the initial inspection 

required by paragraph (g)(1) or (h) of this AD 

constitutes terminating action for the 

inspections required by paragraph (f)(2) of 

AD 2020–17–10 for that pitch link assembly 

only. 

(j) Optional Terminating Action 

The repetitive inspections required by 

paragraph (h) of this AD are no longer 

required for helicopters that incorporate 

pitch link assemblies, P/N 429–012–212–105 

or 429–012–212–107, in accordance with Part 

III of the Accomplishment Instructions of 

Bell Alert Service Bulletin No. 429–15–16, 

Revision C, dated October 16, 2020. 

(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)(1) 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 more information about this AD, 

contact Hal Jensen, Aerospace Engineer, 

Operational Safety Branch, Compliance & 

Airworthiness Division, FAA, 950 L’Enfant 

Plaza N SW, Washington, DC 20024; phone: 

(202) 267–9167; email: hal.jensen@faa.gov. 

(2) Bell Alert Service Bulletin No. 429–15– 

16, Revision C, dated October 16, 2020, 

which is not incorporated by reference, 

contains additional information about the 

subject of this AD. For service information 

identified in this AD, contact Bell Textron 

Canada Limited, 12,800 Rue de l’Avenir, 

Mirabel, Quebec J7J 1R4, Canada; telephone 

1–450–437–2862 or 1–800–363–8023; fax 1– 

450–433–0272; email productsupport@

bellflight.com; or at https://

www.bellflight.com/support/contact-support. 

You may view this referenced service 

information at the FAA, Office of the 

Regional Counsel, Southwest Region, 10101 

Hillwood Pkwy., Room 6N–321, Fort Worth, 

TX 76177. For information on the availability 

of this material at the FAA, call (817) 222– 

5110. 

(3) The subject of this AD is addressed in 

Transport Canada Civil Aviation (TCCA) AD 

CF–2015–16R3, dated April 30, 2021 (TCCA 

AD CF–2015–16R3). You may view the 

Transport Canada AD on the internet at 

https://www.regulations.gov in Docket No. 

FAA–2022–0145. 

Issued on February 15, 2022. 

Ross Landes, 

Deputy Director for Regulatory Operations, 

Compliance & Airworthiness Division, 

Aircraft Certification Service. 

[FR Doc. 2022–03770 Filed 2–22–22; 8:45 am] 

BILLING CODE 4910–13–P 

DEPARTMENT OF TRANSPORTATION 

Federal Aviation Administration 

14 CFR Part 39 

[Docket No. FAA–2021–1168; Project 

Identifier AD–2021–00825–T] 

RIN 2120–AA64 

Airworthiness Directives; The Boeing 

Company Airplanes 

AGENCY: Federal Aviation 

Administration (FAA), DOT. 

ACTION: Notice of proposed rulemaking 

(NPRM). 

SUMMARY: The FAA proposes to adopt a 

new airworthiness directive (AD) for 

certain The Boeing Company Model 

737–8 airplanes. This proposed AD was 

prompted by a report that, during 

production, a small number of fasteners 

in certain locations of the center fuel 

tank were cap sealed on top of a black 

stripe of ink with a clear overcoat. This 

clear overcoat is not an approved 

surface for sealing and can potentially 

compromise sealant adhesion. 

Compromised sealant adhesion can, 

over time, affect the lightning-protection 

properties of the airplane. This 

proposed AD would require preparation 

of the affected surface areas to ensure 

that there is adequate sealant adhesion, 

and complete encapsulation of the 

discrepant fastener locations with the 

approved production sealant. 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 April 11, 2022. 

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 NPRM, contact Boeing Commercial 

Airplanes, Attention: Contractual & Data 

Services (C&DS), 2600 Westminster 

Blvd., MC 110–SK57, Seal Beach, CA 

90740–5600; telephone 562–797–1717; 

internet https://

www.myboeingfleet.com. You may view 

this referenced service information 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 https://

www.regulations.gov by searching for 

and locating Docket No. FAA–2021– 

1168. 

Examining the AD Docket 

You may examine the AD docket at 

https://www.regulations.gov by 

searching for and locating Docket No. 

FAA–2021–1168; 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, any comments received, and 

other information. The street address for 

Docket Operations is listed above. 

FOR FURTHER INFORMATION CONTACT: 

Chris Baker, Aerospace Engineer, 

Propulsion Section, FAA, Seattle ACO 

Branch, 2200 South 216th St., Des 

Moines, WA 98198; phone and fax: 206– 

231–3552; email: christopher.r.baker@

faa.gov. 

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 ADDRESSES. Include ‘‘Docket No. 

FAA–2021–1168; Project Identifier AD– 

2021–00825–T’’ 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 


khammond on DSKJM1Z7X2PROD with PROPOSALS