51842 Federal Register / Vol. 86, No. 178 / Friday, September 17, 2021 / Proposed Rules 

repair to be approved as required by this 

paragraph, the approval letter must 

specifically refer to this AD. 

(2) For the purposes of this AD, any 

maneuver resulting in weight on the MLG for 

any duration of time after initial takeoff 

counts as a landing. If the number of landings 

for the MLG is unknown, multiply the 

number of airframe hours by a factor of 3.6 

and round up to the nearest whole landing. 

(h) Alternative Methods of Compliance 

(AMOCs) 

(1) The Manager, General Aviation & 

Rotorcraft 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 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 or email: 9- 

AVS-AIR-730-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. 

(i) Related Information 

(1) For more information about this AD, 

contact Gregory Johnson, Aviation Safety 

Engineer, FAA, General Aviation & Rotorcraft 

Section, International Validation Branch, 901 

Locust, Room 301, Kansas City, MO 64106; 

phone: (720)-626–5462; fax: (816) 329–4090; 

email: gregory.johnson@faa.gov. 

(2) Refer to European Union Aviation 

Safety Agency (EASA) AD 2019–0274, dated 

November 6, 2019, for more information. You 

may examine the EASA AD in the AD docket 

at https://www.regulations.gov by searching 

for and locating Docket No. FAA–2021–0795. 

(3) For service information identified in 

this AD, contact Daher Aircraft Inc., 

Pompano Beach Airpark, 601 NE 10th Street, 

Pompano Beach, FL 33060; phone: (954) 

893–1400; website: www.tbm.aero. You may 

view this referenced service information at 

the FAA, Airworthiness Products Section, 

Operational Safety Branch, 901 Locust, 

Kansas City, MO 64106. For information on 

the availability of this material at the FAA, 

call (816) 329–4148. 

Issued on September 8, 2021. 

Ross Landes, 

Deputy Director for Regulatory Operations, 

Compliance & Airworthiness Division, 

Aircraft Certification Service. 

[FR Doc. 2021–19962 Filed 9–16–21; 8:45 am] 

BILLING CODE 4910–13–P 

DEPARTMENT OF TRANSPORTATION 

Federal Aviation Administration 

14 CFR Part 39 

[Docket No. FAA–2021–0216; Project 

Identifier 2018–CE–061–AD] 

RIN 2120–AA64 

Airworthiness Directives; Gulfstream 

Aerospace Corporation 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 all 

Gulfstream Aerospace Corporation 

(Gulfstream) Models GV and GV–SP 

airplanes. This proposed AD was 

prompted by the omission of a life limit 

in the airworthiness limitations section 

(ALS) of the maintenance manual for a 

certain main landing gear (MLG) 

trunnion pin. This proposed AD would 

require revising the ALS of your existing 

instructions for continued airworthiness 

(ICA) or inspection program for the 

airplane to establish a life limit of 

20,000 flight cycles for the affected MLG 

trunnion pin. 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 November 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 NPRM, contact Gulfstream 

Aerospace Corporation, Technical 

Publications Dept., 500 Gulfstream 

Road, Savannah, GA 31402–2206; 

phone: (800) 810–4853; fax: (912) 965– 

3520; email: pubs@gulfstream.com; 

website: https://www.gulfstream.com/ 

en/customer-support/. You may view 

this service information at the FAA, 

Airworthiness Products Section, 

Operational Safety Branch, 901 Locust, 

Kansas City, MO 64106. For information 

on the availability of this material at the 

FAA, call (816) 329–4148. 

Examining the AD Docket 

You may examine the AD docket at 

https://www.regulations.gov by 

searching for and locating Docket No. 

FAA–2021–0216; 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: 

Miral Patel, Aviation Safety Engineer, 

Atlanta ACO Branch, FAA, 1701 

Columbia Avenue, College Park, GA 

30337; phone: (404) 474–5590; fax: (404) 

474–5606; email: miral.patel@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–2021–0216; Project Identifier 

2018–CE–061–AD’’ 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 

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 NPRM. 

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 

Federal Register / Vol. 86, No. 178 / Friday, September 17, 2021 / Proposed Rules 51843 

placed in the public docket of this 

NPRM. Submissions containing CBI 

should be sent to Miral Patel, Aviation 

Safety Engineer, Atlanta ACO Branch, 

FAA, 1701 Columbia Avenue, College 

Park, GA 30337. Any commentary that 

the FAA receives which is not 

specifically designated as CBI will be 

placed in the public docket for this 

rulemaking. 

Background 

Gulfstream notified the FAA that a 

life limit for replacing MLG trunnion 

pin part number (P/N) 1159SCL566–15 

had been omitted from the ALS of the 

maintenance manual for Models GV and 

GV–SP airplanes. Gulfstream revised the 

ALS for the applicable airplanes to 

establish a life limit of 20,000 flight 

cycles for the affected MLG trunnion 

pin. A trunnion pin remaining in 

service beyond its fatigue life could lead 

to fracture and failure of the trunnion 

pin. This condition, if unaddressed, 

could result in MLG failure and could 

lead to a runway excursion. 

FAA’s Determination 

The FAA is issuing this NPRM after 

determining that the unsafe condition 

described previously is likely to exist or 

develop on other products of the same 

type design. 

Related Service Information 

The FAA reviewed Gulfstream GV 

Aircraft Maintenance Manual, Revision 

53, dated March 15, 2021; Gulfstream 

G550 Aircraft Maintenance Manual, 

Revision 34, dated March 15, 2021; and 

Gulfstream G500–5000 Aircraft 

Maintenance Manual, Revision 34, 

dated March 15, 2021. For the 

applicable marketing designation 

specified on each document, the revised 

service information adds a life limit for 

MLG trunnion pin P/N 1159SCL566–15. 

Proposed AD Requirements in This 

NPRM 

This proposed AD would require 

revising the ALS of the existing ICA or 

inspection program for the airplane to 

establish a life limit of 20,000 flight 

cycles for MLG trunnion pin P/N 

1159SCL566–15. 

Costs of Compliance 

The FAA estimates that this AD, if 

adopted as proposed, would affect 516 

airplanes of U.S. registry. 

The FAA estimates the following 

costs to comply with this proposed AD: 

ESTIMATED COSTS

Action Labor cost Parts cost Cost per 

product 

Cost on U.S. 

operators 

Revise the ALS ........................................... 1 work-hour × $85 per hour = $85 ............. Not applicable ....... $85 $43,860 

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 adding 

the following new airworthiness 

directive: 

Gulfstream Aerospace Corporation: Docket 

No. FAA–2021–0216; Project Identifier 

2018–CE–061–AD. 

(a) Comments Due Date 

The FAA must receive comments on this 

airworthiness directive (AD) by November 1, 

2021. 

(b) Affected ADs 

None. 

(c) Applicability 

This AD applies to Gulfstream Aerospace 

Corporation Models GV and GV–SP 

airplanes, all serial numbers, certificated in 

any category. 

(d) Subject 

Joint Aircraft System Component (JASC) 

Code 3200, Landing Gear System. 

(e) Unsafe Condition 

This AD was prompted by the omission of 

a life limit in the airworthiness limitations 

section (ALS) for a certain main landing gear 

(MLG) trunnion pin. The FAA is issuing this 

AD to prevent a MLG trunnion pin from 

remaining in service beyond its fatigue life. 

This unsafe condition, if not addressed, 

could result in MLG failure and could lead 

to a runway excursion. 

(f) Compliance 

Comply with this AD within the 

compliance times specified, unless already 

done. 

(g) Revise the ALS 

Within 12 months after the effective date 

of this AD, revise the existing ALS of the 

instructions for continued airworthiness or 

aircraft inspection program for your airplane 

by establishing a life limit of 20,000 flight 

cycles for each MLG trunnion pin part 

number 1159SCL566–15. 

Note 1 to paragraph (g) of this AD: Table 

5 in Section 05–10–10 of the following 

aircraft maintenance manuals contains the 

life limit in paragraph (g) of this AD: 

Gulfstream GV Aircraft Maintenance Manual, 

51844 Federal Register / Vol. 86, No. 178 / Friday, September 17, 2021 / Proposed Rules 

Revision 53, dated March 15, 2021; 

Gulfstream G550 Aircraft Maintenance 

Manual, Revision 34, dated March 15, 2021; 

or Gulfstream G500–5000 Aircraft 

Maintenance Manual, Revision 34, dated 

March 15, 2021. 

(h) Alternative Methods of Compliance 

(AMOCs) 

(1) The Manager, Atlanta ACO 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 paragraph (i)(1) of 

this AD. 

(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. 

(i) Related Information 

(1) For more information about this AD, 

contact Miral Patel, Aviation Safety Engineer, 

Atlanta ACO Branch, FAA, 1701 Columbia 

Avenue, College Park, GA 30337; phone: 

(404) 474–5590; fax: (404) 474–5606; email: 

miral.patel@faa.gov. 

(2) For service information identified in 

this AD, contact Gulfstream Aerospace 

Corporation, Technical Publications Dept., 

500 Gulfstream Road, Savannah, GA 31402– 

2206; phone: (800) 810–4853; fax: (912) 965– 

3520; email: pubs@gulfstream.com; website: 

https://www.gulfstream.com/en/customersupport/. You may view this referenced 

service information at the FAA, 

Airworthiness Products Section, Operational 

Safety Branch, 901 Locust, Kansas City, MO 

64106. For information on the availability of 

this material at the FAA, call (816) 329–4148. 

Issued on September 13, 2021. 

Lance T. Gant, 

Director, Compliance & Airworthiness 

Division, Aircraft Certification Service. 

[FR Doc. 2021–20033 Filed 9–16–21; 8:45 am] 

BILLING CODE 4910–13–P 

DEPARTMENT OF TRANSPORTATION 

Federal Aviation Administration 

14 CFR Part 71 

[Docket No. FAA–2017–0461; Airspace 

Docket No. 17–AEA–5] 

RIN 2120–AA66 

Proposed Amendment of VOR Federal 

Airways V–16, V–31, V–93, V–157, V– 

213, and V–229 in the Vicinity of 

Patuxent River, MD 

AGENCY: Federal Aviation 

Administration (FAA) DOT. 

ACTION: Notice of proposed rulemaking 

(NPRM); withdrawal. 

SUMMARY: The FAA is withdrawing the 

NPRM published in the Federal 

Register on July 12, 2017, proposing to 

amend VHF Omnidirectional Range 

(VOR) Federal airways V–16, V–31, V– 

93, V–157, V–213, and V–229 near 

Patuxent River, MD, due to the planned 

decommissioning of the Patuxent VOR/ 

Tactical Air Navigation (VORTAC) 

(PXT), Patuxent River, MD, in support 

of the FAA’s VOR Minimum 

Operational Network (MON) program. 

Subsequent to the NPRM, the PXT 

VORTAC decommissioning has been 

delayed until a to-be-determined date. 

The FAA decided that additional 

planning is necessary to ensure a more 

efficient implementation and integration 

with other ongoing VOR MON program 

activities, and determined that 

withdrawal of the proposed rule is 

warranted. 

DATES: Effective September 17, 2021, the 

proposed rule published July 12, 2017 

(82 FR 32149), is withdrawn. 

FOR FURTHER INFORMATION CONTACT: Paul 

Gallant, Rules and Regulations Group, 

Office of Policy, Federal Aviation 

Administration, 800 Independence 

Avenue SW, Washington, DC 20591; 

telephone: (202) 267–8783. 

SUPPLEMENTARY INFORMATION: 

History 

The FAA published a notice of 

proposed rulemaking in the Federal 

Register for Docket No. FAA–2017–0461 

(82 FR 32149; July 12, 2017), amending 

VOR Federal airways V–16, V–31, V–93, 

V–157, V–213, and V–229 due to the 

planned decommissioning of the 

Patuxent VORTAC which provides 

navigation guidance for portions of the 

affected airways. Interested parties were 

invited to participate in this rulemaking 

effort by submitting written comments 

on the proposal. One comment was 

received. The commenter recommended 

that for VOR NAVAIDs that are to be 

decommissioned, and for those airways 

that are correspondingly removed, the 

FAA should create an Area Navigation 

(RNAV) waypoint at the previous 

NAVAID location, and convert all fixes 

and intersections along that route to 

RNAV waypoints. 

FAA’s Conclusions 

The FAA has reviewed the Patuxent 

VORTAC decommissioning project and 

determined that additional planning 

meetings are warranted to ensure a more 

efficient implementation and integration 

with other ongoing program activities; 

therefore, the NPRM is withdrawn. 

List of Subjects in 14 CFR Part 71 

Airspace, Incorporation by reference, 

Navigation (air). 

The Withdrawal 

■ Accordingly, pursuant to the authority 

delegated to me, the NPRM published in 

the Federal Register on July 12, 2017 

(82 FR 32149), FR Doc. 2017–14524, is 

hereby withdrawn. 

Authority: 49 U.S.C. 106(f), 106(g), 40103, 

40113, 40120; E.O. 10854; 24 FR 9565, 3 CFR, 

1959–1963 Comp., p. 389. 

Issued in Washington, DC, on September 

13, 2021. 

George Gonzalez, 

Acting Manager, Rules and Regulations 

Group. 

[FR Doc. 2021–20010 Filed 9–16–21; 8:45 am] 

BILLING CODE 4910–13–P 

DEPARTMENT OF ENERGY 

Federal Energy Regulatory 

Commission 

18 CFR Part 154 

[Docket No. RM21–18–000] 

Petition for Rulemaking: American Gas 

Association, American Public Gas 

Association, American Forest & Paper 

Association, Industrial Energy 

Consumers of America, Process Gas 

Consumers Group, Natural Gas Supply 

Association 

AGENCY: Federal Energy Regulatory 

Commission, DOE. 

ACTION: Petition for rulemaking. 

SUMMARY: Take notice that, on June 24, 

2021, American Gas Association, 

American Public Gas Association, 

American Forest & Paper Association, 

Industrial Energy Consumers of 

America, Process Gas Consumers Group, 

and Natural Gas Supply Association 

(collectively, Petitioners), pursuant to 

Rule 207(a)(4) of the Federal Energy 

Regulatory Commission’s (Commission) 

Rules of Practice and Procedure, filed a 

petition requesting that the Commission 

revise its regulations and/or filing 

procedures for natural gas pipelines 

regarding the filing of information in 

native file format. Specifically, 

Petitioners request that the Commission 

institute a rulemaking to revise its 

regulations for electronic filings of 

tariffs and related materials, or 

alternatively, issue an order revising 

and updating the FERC Implementation 

Guide for Electronic Tariff Filings 

(2016), to require the submission of all 

supporting statements, schedules, and 

workpapers in native format (e.g., Excel)