36066 Federal Register / Vol. 86, No. 128 / Thursday, July 8, 2021 / Rules and Regulations 

Modification Service Bulletin (NMSB) SB– 

BR700–72–A900659, Revision 1, dated 

November 5, 2019, installed. 

(d) Subject 

Joint Aircraft System Component (JASC) 

Code 7230, Turbine Engine Compressor 

Section. 

(e) Unsafe Condition 

This AD was prompted by an investigation 

by RRD, which revealed a quality escape 

during the HPT stage 1 disk rim cooling air 

hole manufacturing process. The FAA is 

issuing this AD to prevent failure of the HPT 

stage 1 disk. The unsafe condition, if not 

addressed, could result in the release of highenergy debris, damage to the airplane, and 

reduced control of the airplane. 

(f) Compliance 

Comply with this AD within the 

compliance times specified, unless already 

done. 

(g) Required Actions 

Before the affected HPT stage 1 disk 

exceeds 2,840 flight cycles (FCs) since new, 

or within 60 days after the effective date of 

this AD, whichever occurs later, but not to 

exceed 8 years after the effective date of this 

AD if using FCs, remove the affected HPT 

stage 1 disk from service and replace with a 

part eligible for installation. Guidance on 

replacing the HPT stage 1 disk can be found 

in the Accomplishment Instructions, 

paragraph 3.B., of Rolls-Royce Alert NonModification Service Bulletin (NMSB) SB– 

BR700–72–A900659, Revision 1, dated 

November 5, 2019. 

(h) Installation Prohibition 

After the effective date of this AD, do not 

install any affected HPT stage 1 disk onto any 

engine. 

(i) Definition 

For the purpose of this AD, a ‘‘part eligible 

for installation’’ is an HPT stage 1 disk that 

is not listed in paragraph 1.A. of Rolls-Royce 

Alert NMSB SB–BR700–72–A900659, 

Revision 1, dated November 5, 2019. 

(j) Alternative Methods of Compliance 

(AMOCs) 

(1) The Manager, ECO 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 certification office, 

send it to the attention of the person 

identified in Related Information. You may 

email your request to: ANE-AD-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. 

(k) Related Information 

(1) For more information about this AD, 

contact Wego Wang, Aviation Safety 

Engineer, ECO Branch, FAA, 1200 District 

Avenue, Burlington, MA 01803; phone: (781) 

238–7134; fax: (781) 238–7199; email: 

wego.wang@faa.gov. 

(2) Refer to European Union Aviation 

Safety Agency (EASA) AD 2019–0299, dated 

December 10, 2019, for more information. 

You may examine the EASA AD in the AD 

docket on at https://www.regulations.gov by 

searching for and locating Docket No. FAA– 

2020–1174. 

(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 the AD specifies otherwise. 

(i) Rolls-Royce Alert Non-Modification 

Service Bulletin SB–BR700–72–A900659, 

Revision 1, dated November 5, 2019. 

(ii) [Reserved] 

(3) For service information identified in 

this AD, contact Rolls-Royce Deutschland Ltd 

& Co KG, Eschenweg 11, Dahlewitz 15827, 

Germany; phone: +49 33 7086 4040; email: 

rrd.techhelp@rolls-royce.com. 

(4) You may view this service information 

at 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. 

(5) You may view this service information 

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 June 14, 2021. 

Gaetano A. Sciortino, 

Deputy Director for Strategic Initiatives, 

Compliance & Airworthiness Division, 

Aircraft Certification Service. 

[FR Doc. 2021–14481 Filed 7–7–21; 8:45 am] 

BILLING CODE 4910–13–P 

DEPARTMENT OF HOMELAND 

SECURITY 

Coast Guard 

33 CFR Part 165 

[Docket No. USCG–2021–0296] 

Safety Zones; Recurring Safety Zones 

in Captain of the Port Sault Sainte 

Marie 

AGENCY: Coast Guard, Department of 

Homeland Security (DHS). 

ACTION: Notice of enforcement of 

regulation. 

SUMMARY: The Coast Guard will enforce 

certain safety zones located in the 

Federal regulations for Annual Events in 

the Captain of the Port Sault Sainte 

Marie. This action is necessary and 

intended to protect the safety of life and 

property on navigable waters prior to, 

during, and immediately after these 

events. During each enforcement period, 

no person or vessel may enter the 

respective safety zone without the 

permission of the Captain of the Port 

Sault Sainte Marie or a designated 

representative. 

DATES: The regulations in 33 CFR 

165.918 as listed in Table 165.918 will 

be enforced for the events and times as 

stated in the SUPPLEMENTARY

INFORMATION below. 

FOR FURTHER INFORMATION CONTACT: If 

you have questions about this 

publication, call or email LT Deaven 

Palenzuela, Waterways Management 

division, Coast Guard Sector Sault 

Sainte Marie, U.S. Coast Guard; 

telephone 906–635–3223, email 

ssmprevention@uscg.mil. 

SUPPLEMENTARY INFORMATION: The Coast 

Guard will enforce the Safety Zones; 

Annual Events in the Captain of the Port 

Buffalo Zone listed in 33 CFR 165.918 

for the following events: 

i. Elk Rapids Harbor Days Fireworks; 

Elk Rapids, MI: The safety zone listed in 

Table 165.918(20) will be enforced on 

August 7, 2021, from 10 p.m. through 

10:30 p.m. on all U.S. navigable waters 

within the arc of a circle with an 

approximate 750-foot radius from the 

fireworks launch site located on a barge 

in position 44°54′6.95′′ N, 85°25′3.11′′ 

W. 

ii. Nautical City Fireworks, Rogers 

City: The safety zone listed in Table 

165.918(21) will be enforced on August 

8, 2021, from 10 p.m. through 10:30 

p.m. on all U.S. navigable waters within 

the arc of a circle with an approximate 

750-foot radius from the fireworks 

launch site located near Harbor View 

Road in position 45°25′04.72′′ N, 

83°47′51.21′′ W. 

This action is being taken to provide 

for the safety of life on navigable 

waterways during the fireworks 

displays. The regulations for safety 

zones within the Captain of the Port 

Sault Sainte Marie Zone, § 165.918, 

apply for these fireworks displays. 

Pursuant to 33 CFR 165.23, entry into, 

transiting, or anchoring within these 

safety zones during an enforcement 

period is prohibited unless authorized 

by the Captain of the Port Buffalo or 

their designated representative; 

designation need not be in writing. 

Those seeking permission to enter these 

safety zones may request permission 

from the Captain of the Port Buffalo via 

channel 16, VHF–FM. Vessels and 

persons granted permission to enter the 

safety zone shall obey the directions of 


lotter on DSK11XQN23PROD with RULES1
Federal Register / Vol. 86, No. 128 / Thursday, July 8, 2021 / Rules and Regulations 36067 

the Captain of the Port Buffalo or their 

designated representative. While within 

a safety zone, all vessels shall operate at 

the minimum speed necessary to 

maintain a safe course. 

This notice of enforcement is issued 

under authority of 33 CFR 165.918 and 

5 U.S.C. 552(a). In addition to this 

notice of enforcement in the Federal 

Register, the Coast Guard will provide 

the maritime community with advance 

notification of this enforcement period 

via Broadcast Notice to Mariners or 

Local Notice to Mariners. If the Captain 

of the Port Sault Sainte Marie 

determines that the safety zone need not 

be enforced for the full duration stated 

in this notice he or she may use a 

Broadcast Notice to Mariners to grant 

general permission to enter the 

respective safety zone. 

Dated: June 30, 2021. 

A.R. Jones, 

Captain, U.S. Coast Guard, Captain of the 

Port Sault Sainte Marie. 

[FR Doc. 2021–14453 Filed 7–7–21; 8:45 am] 

BILLING CODE 9110–04–P 

DEPARTMENT OF HOMELAND 

SECURITY 

Coast Guard 

33 CFR Part 165 

[Docket No. USCG–2021–0419] 

RIN 1625–AA00 

Safety Zone; Charlevoix Venetian 

Festival Air Show, Lake Charlevoix, MI, 

Sector Sault Ste. Marie Captain of the 

Port Zone; Correction 

AGENCY: Coast Guard, Department of 

Homeland Security (DHS). 

ACTION: Temporary final rule; 

correction. 

SUMMARY: The Coast Guard published a 

document in the Federal Register on 

June 17, 2021, concerning a safety zone 

intended to restrict vessels from certain 

portions of Lake Charlevoix, MI, during 

air show activities on July 23, 2021. The 

document contained incorrect starting 

and ending times in the description of 

the effective date. 

DATES: This correction is effective July 

23, 2021. 

FOR FURTHER INFORMATION CONTACT: If 

you have questions on this correction, 

call or email LT Deaven Palenzuela, 

Sector Sault Ste. Marie Waterways 

Management Division, U.S. Coast 

Guard; telephone 906–635–3223, email 

ssmprevention@uscg.mil. 

SUPPLEMENTARY INFORMATION: The 

document published on June 17, 2021, 

at 86 FR 32219, contained incorrect 

starting and ending times in the DATES

section and § 165.T09–0419(b) which 

had the safety zone beginning at 9:45 

p.m. and ending at 10 p.m. The safety 

zone needs to begin at 8:45 p.m. and 

end at 11 p.m. in order to protect 

personnel, vessels, and the marine 

environment from potential hazards 

created by the air show. 

Correction 

In the Federal Register of June 17, 

2021, in FR Doc. 2021–12729, beginning 

on page 32219, the following corrections 

are made: 

1. On page 32219, in the second 

column, the DATES section is corrected 

to read ‘‘This rule is effective from 8:45 

p.m. on July 23, 2021, through 11 p.m. 

on July 23, 2021.’’ 

§ 165.T09–0419 [Corrected] 

■ 2. On page 32221, in the first column, 

the first sentence of § 165.T09–0419(b) 

is corrected to read ‘‘This section will be 

enforced from 8:45 p.m. through 11 p.m. 

on July 23, 2021.’’ 

Dated: July 1, 2021. 

A.R. Jones, 

Captain of the Port Sault Sainte Marie, U.S. 

Coast Guard. 

[FR Doc. 2021–14536 Filed 7–7–21; 8:45 am] 

BILLING CODE 9110–04–P 

DEPARTMENT OF HOMELAND 

SECURITY 

Coast Guard 

33 CFR Part 165 

[Docket No. USCG–2021–0498] 

Safety Zones; Recurring Safety Zones 

in Captain of the Port Sault Sainte 

Marie Zone, Festivals of Fireworks 

Celebration, St. Ignace, MI 

AGENCY: Coast Guard, Department of 

Homeland Security (DHS). 

ACTION: Notice of enforcement of 

regulation. 

SUMMARY: The Coast Guard will enforce 

a safety zone for the Festivals of 

Fireworks Celebration Fireworks in St. 

Ignace, MI. This action is necessary to 

provide for safety on navigable 

waterways and intended to protect life 

and property from the navigational 

hazards associated with a fireworks 

display. During the enforcement 

periods, vessels must stay out of the 

established safety zone and may only 

enter with permission the Captain of the 

Port Sault Sainte Marie or a designated 

representative. 

DATES: The regulation listed in 33 CFR 

165.918, Table 165.918(4), will be 

enforced from 9:30 p.m. through 10:30 

p.m. on September 4, 2021. 

FOR FURTHER INFORMATION CONTACT: If 

you have questions about this 

publication, call or email LT Deaven 

Palenzuela, Waterways Management 

division, Coast Guard Sector Sault 

Sainte Marie, U.S. Coast Guard; 

telephone: 906–635–3223, email: 

ssmprevention@uscg.mil. 

SUPPLEMENTARY INFORMATION: The Coast 

Guard will enforce a safety zone for the 

Festivals of Fireworks Celebration 

Fireworks in St. Ignace, MI as listed in 

33 CFR 165.918, Table 165.918(4), from 

9:30 p.m. through 10:30 p.m. on 

September 4, 2021, on all U.S. navigable 

waters of East Moran Bay within an 

approximate 1,000-foot radius from the 

fireworks launch site at the end of the 

Starline Mill Slip, centered in position: 

45°52′24.62′′ N, 084°43′18.13′′ W. 

Pursuant to 33 CFR 165.23 and 165.918, 

entry into, transiting, or anchoring 

within the safety zone during an 

enforcement period is prohibited unless 

authorized by the Captain of the Port 

Sault Sainte Marie or a designated 

representative. Those seeking 

permission to enter the safety zone may 

request permission from the Captain of 

Port Sault Sainte Marie via channel 16, 

VHF–FM. Vessels and persons granted 

permission to enter the safety zone shall 

obey the directions of the Captain of the 

Port Sault Sainte Marie or a designated 

representative. 

This notice of enforcement is issued 

under authority of 33 CFR 165.918 and 

5 U.S.C. 552(a). In addition to this 

notice of enforcement in the Federal 

Register, the Coast Guard will provide 

the maritime community with advance 

notification of this enforcement period 

via Broadcast Notice to Mariners or 

Local Notice to Mariners. If the Captain 

of the Port Sault Sainte Marie 

determines that the safety zone need not 

be enforced for the full duration stated 

in this notice he or she may use a 

Broadcast Notice to Mariners to grant 

general permission to enter the 

respective safety zone. 

Dated: June 30, 2021. 

A.R. Jones, 

Captain, U.S. Coast Guard, Captain of the 

Port Sault Sainte Marie. 

[FR Doc. 2021–14454 Filed 7–7–21; 8:45 am] 

BILLING CODE 9110–04–P 


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