68002 Federal Register / Vol. 88, No. 190 / Tuesday, October 3, 2023 / Proposed Rules 

to use tooling, this AD allows the use of 

equivalent tooling. 

(6) Where the service information 

referenced in EASA AD 2022–0037 specifies 

discarding parts, this AD requires removing 

those parts from service. 

(7) Where the service information 

referenced in paragraphs (1), (4.2), (5.2), and 

(6) of EASA AD 2022–0037 specifies to 

contact Leonardo Helicopters for instructions 

as a result of the M/R rotating scissor 

maximum torque force check, this AD 

requires corrective action done in accordance 

with a method approved by the Manager, 

International Validation Branch, FAA; or 

EASA; or Leonardo S.p.a. Helicopters’ EASA 

Design Organization Approval (DOA). If 

approved by the DOA, the approval must 

include the DOA-authorized signature. 

(8) Where paragraph (1) of EASA AD 2022– 

0037 specifies to ‘‘interpret the results 

(PASSED or FAILED) in accordance with the 

instructions of PART I of the ASB;’’ for this 

AD, replace that text with, ‘‘interpret the 

results by using Tables 1 and 2 to paragraph 

(h)(8) of this AD and the inspection results 

recorded in Annex E of the service 

information referenced in EASA AD 2022– 

0037.’’ 

TABLE 1 TO PARAGRAPH (h)(8)—SCISSOR COUPLING INSPECTION INTERPRETATION

Maximum torque force check Dimensional check 2nd Maximum torque force check Scissor coupling check outcome 

Passed ........................................... N/A ................................................ N/A ................................................ Passed. 

Failed ............................................. Passed .......................................... Passed .......................................... Passed. 

Failed ............................................. Failed ............................................ N/A ................................................ Failed. 

Failed ............................................. Passed .......................................... Failed ............................................ Failed. 

TABLE 2 TO PARAGRAPH (h)(8)—AXIAL PLAY INSPECTION INTERPRETATION

Axial play value is 0.25 mm or less .............................................................................................................................. Passed. 

Axial play value is more than 0.25 mm or the ball bearing is dislodged ...................................................................... Failed. 

(9) This AD does not require compliance 

with paragraph (2) of EASA AD 2022–0037. 

This AD also does not include Note 1 of 

EASA AD 2022–0037. 

(10) Where paragraph (3) of EASA AD 

2022–0037 specifies compliance times of 

‘‘200 FH;’’ for this AD, replace each instance 

of that text with, ‘‘55 hours time-in-service.’’ 

This AD does not include Note 3 of EASA 

AD 2022–0037. 

(11) Where the service information 

referenced in EASA AD 2022–0037 cautions 

that only approved personnel (Leonardo 

Helicopters facilities, Leonardo authorized 

component repair centers within the 

approved capabilities or customers trained by 

Leonardo Helicopters for specific activities) 

are permitted to perform the bushing 

replacement; this AD does not include those 

cautions. 

(12) Where paragraph (10) of EASA AD 

2022–0037 specifies reporting inspection 

results (including the inspection results of no 

findings) to Leonardo within 30 days, this 

AD requires reporting inspection results at 

the applicable time in paragraph (h)(12)(i) or 

(ii) of this AD. 

(i) If the inspection was done on or after 

the effective date of this AD: Submit the 

report within 30 days after the inspection. 

(ii) If the inspection was done before the 

effective date of this AD: Submit the report 

within 30 days after the effective date of this 

AD. 

(13) This AD does not adopt the ‘‘Remarks’’ 

section of EASA AD 2022–0037. 

(i) Special Flight Permit 

Special flight permits are prohibited. 

(j) 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 (k) 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. 

(k) Additional Information 

For more information about this AD, 

contact Jared Hyman, Aviation Safety 

Engineer, FAA, 1600 Stewart Ave., Suite 410, 

Westbury, NY 11590; telephone (781) 238– 

7799; email 9-AVS-AIR-BACO-COS@faa.gov. 

(l) Material Incorporated by Reference 

(1) The Director of the Federal Register 

approved the incorporation by reference 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. 

(i) European Union Aviation Safety Agency 

(EASA) AD 2022–0037, dated March 7, 2022, 

and corrected March 15, 2022. 

(ii) [Reserved] 

(3) For EASA AD 2022–0037, contact 

EASA, Konrad-Adenauer-Ufer 3, 50668 

Cologne, Germany; telephone +49 221 8999 

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

easa.europa.eu. You may find the EASA 

material on the EASA website at 

ad.easa.europa.eu. 

(4) You may view this 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. 

(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: 

www.archives.gov/federal-register/cfr/ibrlocations.html. 

Issued on September 26, 2023. 

Victor Wicklund, 

Deputy Director, Compliance & Airworthiness 

Division, Aircraft Certification Service. 

[FR Doc. 2023–21636 Filed 10–2–23; 8:45 am] 

BILLING CODE 4910–13–P 

DEPARTMENT OF TRANSPORTATION 

Federal Aviation Administration 

14 CFR Part 39 

[Docket No. FAA–2023–1891; Project 

Identifier AD–2023–00612–R] 

RIN 2120–AA64 

Airworthiness Directives; Centerpointe 

Aerospace Inc. Helicopters 

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 

Centerpointe Aerospace Inc. 

(Centerpointe) Model S–58BT, S–58DT, 

S–58ET, S–58FT, S–58HT, and S–58JT 

helicopters. This proposed AD was 

prompted by an indication of a crack on 

the angle gearbox mount (AGBM). This 

proposed AD would require repetitively 

performing a fluorescent penetrant 

inspection (FPI) and depending on the 

results, removing the AGBM from 

service. The FAA is proposing this AD 

to address the unsafe condition on these 

products. 


ddrumheller on DSK120RN23PROD with PROPOSALS1
Federal Register / Vol. 88, No. 190 / Tuesday, October 3, 2023 / Proposed Rules 68003 

DATES: The FAA must receive comments 

on this proposed AD by November 17, 

2023. 

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 

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. 

AD Docket: You may examine the AD 

docket at regulations.gov by searching 

for and locating Docket No. FAA–2023– 

1891; 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. 

Material Incorporated by Reference: 

• For Centerpointe service 

information identified in this NPRM, 

contact Centerpointe Aerospace Inc. at 

279 Blackland Road, Fate, TX 75189; 

(972) 636–9601; email Operations@

avnresources.com; https://

www.californiahelicopter.com. 

• You may view this service 

information at the FAA, 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. 

FOR FURTHER INFORMATION CONTACT: 

Jacob Fitch, Aviation Safety Engineer, 

FAA, 10101 Hillwood Pkwy., Fort 

Worth, TX 76177; phone: (817) 222– 

4130; email: jacob.fitch@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–2023–1891; Project Identifier AD– 

2023–00612–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. 

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 

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 

placed in the public docket of this 

NPRM. Submissions containing CBI 

should be sent to Jacob Fitch, Aviation 

Safety Engineer, FAA, 10101 Hillwood 

Pkwy., Fort Worth, TX 76177; phone: 

(817) 222–4130; email: jacob.fitch@

faa.gov. Any commentary that the FAA 

receives which is not specifically 

designated as CBI will be placed in the 

public docket for this rulemaking. 

Background 

The FAA proposes to adopt a new AD 

for all Centerpointe Model S–58BT, S– 

58DT, S–58ET, S–58FT, S–58HT, and 

S–58JT helicopters. During a preflight 

inspection, fatigue cracking was found 

on a Model S–58BT helicopter in the 

angle supports and cross-members 

forming the edges of the AGBM. Due to 

their similarity to the Model S–58BT 

helicopter, the FAA has determined that 

Centerpointe Model S–58DT, S–58ET, 

S–58FT, S–58HT, and S–58JT 

helicopters are also affected by the same 

unsafe condition. This condition, if not 

addressed, could result in loss of the 

angle gearbox, resulting in loss of main 

rotor drive and subsequent loss of 

control of the helicopter. 

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 Under 1 

CFR Part 51 

The FAA reviewed Centerpointe 

Aerospace Service Bulletin No. 58B75, 

dated April 26, 2023. This service 

information specifies procedures for 

repetitively performing an FPI and 

reporting the results to the 

manufacturer. This service information 

is reasonably available because the 

interested parties have access to it 

through their normal course of business 

or by the means identified in 

ADDRESSES. 

Proposed AD Requirements in This 

NPRM 

This proposed AD would require 

repetitive FPIs of the AGBM for a crack, 

as specified in the service information 

already described, except as discussed 

under ‘‘Differences Between this 

Proposed AD and the Service 

Information.’’ This proposed AD would 

also require removing any cracked 

AGBM from service before further flight. 

Differences Between This Proposed AD 

and the Service Information 

Where the service information 

specifies that the initial FPI be 

performed within 120 days after receipt 

of the service information, this proposed 

AD would require the initial FPI to be 

performed within 250 hours time-inservice. The service information 

specifies reporting the results of the FPI 

to the manufacturer, whereas this 

proposed AD would not. 

Costs of Compliance 

The FAA estimates that this AD, if 

adopted as proposed, would affect 14 

helicopters of U.S. registry. Labor rates 

are estimated at $85 per work-hour. 

Based on these numbers, the FAA 

estimates the following costs to comply 

with this proposed AD. 

Performing an FPI of the AGBM 

would take about 5 work-hours and 

parts cost $150 for an estimated cost of 

$575 per helicopter, and $8,050 for the 

U.S. fleet, per inspection. 

If necessary, replacing an AGBM 

would take about 41 work-hours and the 

parts cost would be $30,000 for an 

estimated cost of $33,485 per helicopter. 

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 


ddrumheller on DSK120RN23PROD with PROPOSALS1
68004 Federal Register / Vol. 88, No. 190 / Tuesday, October 3, 2023 / Proposed Rules 

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: 

Centerpointe Aerospace Inc.: Docket No. 

FAA–2023–1891; Project Identifier AD– 

2023–00612–R. 

(a) Comments Due Date 

The FAA must receive comments on this 

airworthiness directive (AD) by November 

17, 2023. 

(b) Affected ADs 

None. 

(c) Applicability 

This AD applies to Centerpointe Aerospace 

Inc, Model S–58BT, S–58DT, S–58ET, S– 

58FT, S–58HT, and S–58JT helicopters, 

certificated in any category. 

(d) Subject 

Joint Aircraft System Component (JASC) 

Code 6300, Main Rotor Drive System. 

(e) Unsafe Condition 

This AD was prompted by the discovery of 

a fatigue crack on the angle gearbox mount 

(AGBM). The FAA is issuing this AD to 

detect fatigue cracking of the AGBM. The 

unsafe condition, if not addressed, could lead 

to loss of the angle gearbox, resulting in loss 

of main rotor drive and subsequent loss of 

control of the helicopter. 

(f) Compliance 

Comply with this AD within the 

compliance times specified, unless already 

done. 

(g) Required Actions 

(1) Within 250 hours time-in-service (TIS) 

after the effective date of this AD, and 

thereafter at intervals not to exceed 250 hours 

TIS, perform a fluorescent penetrant 

inspection (FPI) to inspect for any crack on 

the AGBM in the eight areas depicted in the 

Accomplishment Instructions, Figures 1A 

and 1B, of Centerpointe Aerospace Service 

Bulletin No. 58B75, dated April 26, 2023. 

This FPI must be accomplished by a Level II 

or Level III inspector certified in the FAAacceptable standards for nondestructive 

inspection personnel. 

(2) If there is any crack, before further 

flight, remove the AGBM from service. 

(h) Alternative Methods of Compliance 

(AMOCs) 

(1) The Manager, Central Certification 

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) 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) Additional Information 

Jacob Fitch, Aviation Safety Engineer, 

FAA, 10101 Hillwood Pkwy., Fort Worth, TX 

76177; phone: (817) 222–4130; email: 

jacob.fitch@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. 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) Centerpointe Aerospace Service Bulletin 

No. 58B75, dated April 26, 2023. 

(ii) [Reserved] 

(3) For Centerpointe service information 

identified in this NPRM, contact 

Centerpointe Aerospace Inc. at 279 Blackland 

Road, Fate, TX 75189; (972) 636–9601; email 

Operations@avnresources.com; https://

www.californiahelicopter.com. 

(4) You may view this 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. 

(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: fr.inspection@nara.gov, or go to: 

www.archives.gov/federal-register/cfr/ibrlocations.html. 

Issued on September 22, 2023. 

Victor Wicklund, 

Deputy Director, Compliance & Airworthiness 

Division, Aircraft Certification Service. 

[FR Doc. 2023–21684 Filed 10–2–23; 8:45 am] 

BILLING CODE 4910–13–P 

DEPARTMENT OF TRANSPORTATION 

Federal Aviation Administration 

14 CFR Part 71 

[Docket No. FAA–2023–1957; Airspace 

Docket No. 23–AAL–28RIN 2120–AA66] 

Amendment of Jet Route J–133 and 

Establishment of Area Navigation 

Route Q–801 in the Vicinity of 

Anchorage, AK 

AGENCY: Federal Aviation 

Administration (FAA), DOT. 

ACTION: Notice of proposed rulemaking 

(NPRM). 

SUMMARY: This action proposes to 

amend Jet Route J–133 by revoking a 

portion of the airway and establishing 

Canadian Area Navigation Route 

(RNAV) Q–801 in the vicinity of 

Anchorage, AK. The proposed 

amendment of J–133 is due to the 

pending decommissioning of several 

Navigational Aids (NAVAID) that 

provide course guidance along the 

airway. The proposed establishment of 

RNAV route Q–801 serves as a 

mitigation to J–133 and provides 

additional routing to the southeast for 

aircraft traveling to Canada or to the 

Pacific Northwest United States. 

DATES: Comments must be received on 

or before November 17, 2023. 

ADDRESSES: Send comments identified 

by FAA Docket No. FAA–2023–1957 

and Airspace Docket No. 23–AAL–28 

using any of the following methods: 


ddrumheller on DSK120RN23PROD with PROPOSALS1