65120 Federal Register / Vol. 88, No. 182 / Thursday, September 21, 2023 / Rules and Regulations 

(1) Is not a ‘‘significant regulatory 

action’’ under Executive Order 12866, 

(2) Will not affect intrastate aviation 

in Alaska, and 

(3) Will 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 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 adding 

the following new airworthiness 

directive: 

2023–17–12 Rolls-Royce Deutschland Ltd. 

& Co. KG Engines: Amendment 39– 

22538; Docket No. FAA–2023–1212; 

Project Identifier MCAI–2022–00423–E. 

(a) Effective Date 

This airworthiness directive (AD) is 

effective October 26, 2023. 

(b) Affected ADs 

None. 

(c) Applicability 

This AD applies to Rolls-Royce 

Deutschland Ltd. & Co. KG Model RB211 

Trent 768–60, 772–60, and 772B–60 engines. 

(d) Subject 

Joint Aircraft System Component (JASC) 

Code 7230, Turbine Engine Compressor 

Section. 

(e) Unsafe Condition 

This AD was prompted by reports of cracks 

on the intermediate-pressure compressor 

(IPC) rotor shaft balance land. The FAA is 

issuing this AD to detect cracks on the IPC 

rotor shaft balance land. The unsafe 

condition, if not addressed, could lead to IPC 

rotor shaft failure and consequent 

uncontained high-energy debris, possibly 

resulting in damage to the airplane. 

(f) Compliance 

Comply with this AD within the 

compliance times specified, unless already 

done. 

(g) Required Actions 

Except as specified in paragraphs (h) and 

(i) of this AD: Perform all required actions 

within the compliance times specified in, 

and in accordance with, European Union 

Aviation Safety Agency AD 2022–0055, dated 

March 23, 2022 (EASA AD 2022–0055). 

(h) Exceptions to EASA AD 2022–0055 

(1) Where EASA AD 2022–0055 refers to its 

effective date, this AD requires using the 

effective date of this AD. 

(2) This AD does not adopt the Remarks 

paragraph of EASA AD 2022–0055. 

(3) Where the service information 

referenced in EASA AD 2022–0055 specifies 

to use certain tooling, equivalent tooling may 

be used. 

(i) No Reporting Requirement 

Although the service information 

referenced in EASA AD 2022–0055 specifies 

to notify the manufacturer or supply pictures 

to the manufacturer of any cracks, dents, or 

nicks, this AD does not include that 

requirement. 

(j) Alternative Methods of Compliance 

(AMOCs) 

(1) The Manager, AIR–520, Continued 

Operational Safety 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 (k) of this AD and 

email 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) Additional Information 

For more information about this AD, 

contact Sungmo Cho, Aviation Safety 

Engineer, FAA, 2200 South 216th Street, Des 

Moines, WA 98198; phone: (781) 238–7241; 

email: sungmo.d.cho@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 the AD specifies otherwise. 

(i) European Union Aviation Safety Agency 

(EASA) AD 2022–0055, dated March 23, 

2022. 

(ii) [Reserved] 

(3) For EASA AD 2022–0055, contact 

EASA, Konrad-Adenauer-Ufer 3, 50668 

Cologne, Germany; phone: +49 221 8999 000; 

email: ADs@easa.europa.eu; website: 

easa.europa.eu. You may find this EASA AD 

on the EASA website at ad.easa.europa.eu. 

(4) 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 (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 18, 2023. 

Victor Wicklund, 

Deputy Director, Compliance & Airworthiness 

Division, Aircraft Certification Service. 

[FR Doc. 2023–20485 Filed 9–20–23; 8:45 am] 

BILLING CODE 4910–13–P 

DEPARTMENT OF TRANSPORTATION 

Federal Aviation Administration 

14 CFR Part 39 

[Docket No. FAA–2022–1159; Project 

Identifier AD–2022–00692–E; Amendment 

39–22530; AD 2023–17–04] 

RIN 2120–AA64 

Airworthiness Directives; Continental 

Aerospace Technologies, Inc. Engines 

AGENCY: Federal Aviation 

Administration (FAA), DOT. 

ACTION: Final rule. 

SUMMARY: The FAA is superseding 

Airworthiness Directive (AD) 2022–04– 

04 for certain Continental Aerospace 

Technologies, Inc. (Continental) Model 

C–125, C145, IO–360, IO–470, IO–550, 

O–300, O–470, TSIO–360, and TSIO– 

520 series engines and certain 

Continental Motors IO–520 series 

engines with a certain oil filter adapter 

installed. AD 2022–04–04 required 

replacing the oil filter adapter fiber 

gasket (fiber gasket) with an oil filter 

adapter copper gasket (copper gasket). 

This AD was prompted by reports of 

two accidents that were the result of 

power loss due to oil starvation. This 

AD requires replacing the fiber gasket 

with a copper gasket or a stainless steel 

embedded within 

polytetrafluoroethylene gasket (stainless 

steel PTFE gasket). This AD also revises 

the applicability to include Continental 

model engines equipped with an F&M 

Enterprises, Inc. (F&M) or a Stratus Tool 

Technologies, LLC (Stratus) oil filter 

adapter installed. The FAA is issuing 

this AD to address the unsafe condition 

on these products. 

DATES: This AD is effective October 26, 

2023. 

The Director of the Federal Register 

approved the incorporation by reference 

of a certain publication listed in this AD 

as of October 26, 2023. 

ADDRESSES: 


ddrumheller on DSK120RN23PROD with RULES1
Federal Register / Vol. 88, No. 182 / Thursday, September 21, 2023 / Rules and Regulations 65121 

AD Docket: You may examine the AD 

docket at regulations.gov under Docket 

No. FAA–2022–1159; 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 

address for Docket Operations is U.S. 

Department of Transportation, Docket 

Operations, M–30, West Building 

Ground Floor, Room W12–140, 1200 

New Jersey Avenue SE, Washington, DC 

20590. 

Material Incorporated by Reference: 

• For service information identified 

in this final rule, contact Stratus Tool 

Technologies, LLC, 2208 Air Park Drive, 

Burlington, NC 27215; phone: (800) 

822–3200; website: tempestplus.com. 

• 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 (817) 222–5110. It is also 

available at regulations.gov under 

Docket No. FAA–2022–1159. 

FOR FURTHER INFORMATION CONTACT: 

George Hanlin, Aviation Safety 

Engineer, FAA, 1701 Columbia Avenue, 

College Park, GA 30337; phone: (404) 

474–5584; email: 9-ASO-ATLACO-ADs@

faa.gov. 

SUPPLEMENTARY INFORMATION: 

Background 

The FAA issued a supplemental 

notice of proposed rulemaking (SNPRM) 

to amend 14 CFR part 39 to supersede 

AD 2022–04–04, Amendment 39–21945 

(87 FR 9435, February 22, 2022) (AD 

2022–04–04). AD 2022–04–04 applied 

to certain Continental Model C–125, 

C145, IO–360, IO–470, IO–520, IO–550, 

O–300, O–470, TSIO–360, TSIO–520 

series engines with a certain oil filter 

adapter installed. The SNPRM 

published in the Federal Register on 

June 2, 2023 (88 FR 36258). The SNPRM 

was prompted by a comment from an 

individual commenter noting that 

certain engine models were missing 

from the applicability in the notice of 

proposed rulemaking (NPRM). The 

commenter also specified that the 

referenced service information in the 

NPRM has been revised by the 

manufacturer. In response to this 

comment, the FAA determined that 

additional model engines are affected by 

the unsafe condition and, as a result, 

should be added to the applicability 

paragraph of this AD. The FAA also 

discovered that certain model engines, 

with permold type crankcases, were 

inadvertently included in the 

applicability paragraph of the NPRM, 

which the FAA removed in the SNPRM. 

In the SNPRM, the FAA proposed to 

require replacing the fiber gasket with a 

copper or stainless steel PTFE gasket. 

The FAA also proposed to revise the 

applicability to include Continental 

model engines equipped with an F&M 

or a Stratus oil filter adapter installed 

per Supplemental Type Certificate 

SE8409SW, SE09356SC, or SE10348SC. 

In addition, the FAA also proposed to 

include the revised service information. 

The FAA is issuing this AD to address 

the unsafe condition on these products. 

Discussion of Final Airworthiness 

Directive 

Comments 

The FAA received no comments on 

the SNPRM or on the determination of 

the costs. 

Conclusion 

The FAA reviewed the relevant data 

and determined that air safety requires 

adoption of the AD as proposed. 

Accordingly, the FAA is issuing this AD 

to address the unsafe condition on these 

products. Except for minor editorial 

changes, this AD is adopted as proposed 

in the SNPRM. 

Related Service Information Under 1 

CFR Part 51 

The FAA reviewed Stratus Mandatory 

Service Bulletin SB–001 Rev C, dated 

June 16, 2022, which specifies 

procedures for removing a fiber gasket 

and replacing it with a copper gasket, P/ 

N AN900–28 or P/N AN900–29, or a 

stainless steel PTFE gasket, P/N ST07, 

as an improved alternative to the copper 

gasket. 

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 the ADDRESSES section. 

Costs of Compliance 

The FAA estimates that this AD 

affects 6,300 engines installed on 

airplanes of U.S. registry. 

The FAA estimates the following 

costs to comply with this AD: 

ESTIMATED COSTS

Action Labor cost Parts cost Cost per 

product 

Cost on U.S. 

operators 

Replace fiber gasket with copper gasket or 

stainless steel PTFE gasket.

2.5 work-hours × $85 per hour = $212.50 ..... $34 $246.50 $1,552,950 

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 has 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, 

(2) Will not affect intrastate aviation 

in Alaska, and 

(3) Will not have a significant 

economic impact, positive or negative, 

on a substantial number of small entities 

under the criteria of the Regulatory 

Flexibility Act. 


ddrumheller on DSK120RN23PROD with RULES1
65122 Federal Register / Vol. 88, No. 182 / Thursday, September 21, 2023 / Rules and Regulations 

List of Subjects in 14 CFR Part 39 

Air transportation, Aircraft, Aviation 

safety, Incorporation by reference, 

Safety. 

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 2022–04–04, Amendment 39–21945 

(87 FR 9435, February 22, 2022); and 

■ b. Adding the following new 

airworthiness directive: 

2023–17–04 Continental Aerospace 

Technologies, Inc.: Amendment 39– 

22530; Docket No. FAA–2022–1159; 

Project Identifier AD–2022–00692–E. 

(a) Effective Date 

This airworthiness directive (AD) is 

effective October 26, 2023. 

(b) Affected ADs 

This AD replaces AD 2022–04–04, 

Amendment 39–21945 (87 FR 9435, February 

22, 2022) (AD 2022–04–04). 

(c) Applicability 

This AD applies to Continental Aerospace 

Technologies, Inc. (Continental) model 

engines equipped with an F&M Enterprises, 

Inc. (F&M) or a Stratus Tool Technologies, 

LLC (Stratus) oil filter adapter installed per 

Supplemental Type Certificate SE8409SW, 

SE09356SC, or SE10348SC. 

Note 1 to paragraph (c): These F&M and 

Stratus oil filter adapters are known to be 

installed on Continental Model C–125, C– 

145, GO–300, IO–360, IO–470, IO–520, IO– 

550, O–300, O–470, TSIO–360, and TSIO– 

520 series engines. 

(d) Subject 

Joint Aircraft System Component (JASC) 

Code 8550, Reciprocating Engine Oil System. 

(e) Unsafe Condition 

This AD was prompted by reports of two 

accidents that were the result of power loss 

due to oil starvation. The FAA is issuing this 

AD to prevent loss of engine power. The 

unsafe condition, if not addressed, could 

result in failure of the engine, in-flight 

shutdown, and loss of control of the airplane. 

(f) Compliance 

Comply with this AD within the 

compliance times specified, unless already 

done. 

(g) Required Actions 

Before accumulating 50 flight hours after 

the effective date of this AD or at the next 

scheduled oil change after the effective date 

of this AD, whichever occurs first, remove 

any F&M or Stratus oil filter adapter fiber 

gasket from service and replace it with an oil 

filter adapter copper gasket, part number (P/ 

N) AN900–28 or P/N AN900–29, or a 

stainless steel polytetrafluoroethylene gasket, 

P/N ST07, as applicable, in accordance with 

the Compliance Instructions, paragraph 6., 

pages 6 through 10 (including all detailed 

instructions for Figure 5 through Figure 16), 

of Stratus Tool Technologies Mandatory 

Service Bulletin SB–001 Rev C, dated June 

16, 2022. 

(h) Installation Prohibition 

After the effective date of this AD, do not 

install an F&M or a Stratus oil filter adapter 

fiber gasket on any affected engine. 

(i) Credit for Previous Actions 

You may take credit for the actions 

required by paragraph (g) of this AD if you 

performed those actions before the effective 

date of this AD using Stratus Tool 

Technologies Mandatory Service Bulletin 

SB–001 Rev B, dated June 17, 2021, which 

was previously approved for IBR on March 

29, 2022 (87 FR 9435, February 22, 2022), but 

is not incorporated by reference in this AD. 

(j) Special Flight Permit 

A special flight permit may be issued in 

accordance with 14 CFR 21.197 and 21.199 

to permit a one-time non-revenue ferry flight 

to operate the airplane to the nearest location 

where the maintenance action can be 

performed provided that the engine oil 

pressure and engine oil temperatures are in 

their allowable ranges and there is no 

noticeable increase in engine noise. This 

flight must be performed with no passengers 

on board. 

(k) Alternative Methods of Compliance 

(AMOCs) 

(1) The Manager, East 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 branch, send it to the attention 

of the person identified in paragraph (l) 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. 

(3) AMOCs approved for AD 2022–04–04 

are approved as AMOCs for the 

corresponding provisions of this AD. 

(l) Additional Information 

For more information about this AD, 

contact George Hanlin, Aviation Safety 

Engineer, FAA, 1701 Columbia Avenue, 

College Park, GA 30337; phone: (404) 474– 

5584; email: 9-ASO-ATLACO-ADs@faa.gov. 

(m) 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) Stratus Tool Technologies Mandatory 

Service Bulletin SB–001 Rev C, dated June 

16, 2022. 

(ii) [Reserved] 

(3) For service information identified in 

this AD, contact Stratus Tool Technologies, 

LLC, 2208 Air Park Drive, Burlington, NC 

27215; phone: (800) 822–3200; website: 

tempestplus.com. 

(4) 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 (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 15, 2023. 

Victor Wicklund, 

Deputy Director, Compliance & Airworthiness 

Division, Aircraft Certification Service. 

[FR Doc. 2023–20445 Filed 9–20–23; 8:45 am] 

BILLING CODE 4910–13–P 

DEPARTMENT OF TRANSPORTATION 

Federal Aviation Administration 

14 CFR Part 39 

[Docket No. FAA–2023–1218; Project 

Identifier MCAI–2022–01025–A; Amendment 

39–22536; AD 2023–17–10] 

RIN 2120–AA64 

Airworthiness Directives; Vulcanair 

S.p.A. Airplanes 

AGENCY: Federal Aviation 

Administration (FAA), DOT. 

ACTION: Final rule. 

SUMMARY: The FAA is adopting a new 

airworthiness directive (AD) for certain 

Vulcanair S.p.A. Model V1.0 airplanes. 

This AD results from mandatory 

continuing airworthiness information 

(MCAI) originated by an aviation 

authority of another country to identify 

and correct an unsafe condition on an 

aviation product. The MCAI identifies 

the unsafe condition as corrosion on the 

lower fuselage truss. This AD requires a 

detailed visual inspection of the righthand (RH) and left-hand (LH) lower rear 

attachments of the fuselage truss for 


ddrumheller on DSK120RN23PROD with RULES1