Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Turboprop Engines, 2501-2503 [2023-00490]

Download as PDF 2501 Rules and Regulations Federal Register Vol. 88, No. 10 Tuesday, January 17, 2023 5 p.m., Monday through Friday, except Federal holidays. The AD docket contains this final rule, the mandatory continuing airworthiness information (MCAI), 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. FOR FURTHER INFORMATION CONTACT: Barbara Caufield, Aviation Safety Engineer, ECO Branch, FAA, 1200 District Avenue, Burlington, MA 01803; phone: (781) 238–7146; email: barbara.caufield@faa.gov. SUPPLEMENTARY INFORMATION: revise the ALS of the existing EMM, and the owner/operator must enter compliance with the applicable paragraphs of the AD into the aircraft records in showing compliance with this AD in accordance with 14 CFR 43.9(a) and 14 CFR 91.417(a)(2)(v). The record must be maintained as required by 14 CFR 91.417, 121.380, or 135.439. This is an exception to the FAA’s standard maintenance regulations. The FAA is issuing this AD to address the unsafe condition on these products. You may examine the MCAI in the AD docket at regulations.gov under Docket No. FAA–2022–1302. RIN 2120–AA64 Background Comments Airworthiness Directives; GE Aviation Czech s.r.o. (Type Certificate Previously Held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) Turboprop Engines The FAA issued a notice of proposed rulemaking (NPRM) to amend 14 CFR part 39 by adding an AD that would apply to all GEAC H75–100, H75–200, H80, H80–100, H80–200, H85–100, and H85–200 model turboprop engines. The NPRM published in the Federal Register on October 24, 2022 (87 FR 64175). The NPRM was prompted by AD 2022–0008, dated January 19, 2022, issued by the European Union Aviation Safety Agency (EASA), which is the Technical Agent for the Member States of the European Union (referred to after this as the MCAI). The MCAI states that the airworthiness limitations for H series engine models, which are approved by EASA, are currently defined and published in the ALS of the GEAC EMM. These instructions have been identified as mandatory for continued airworthiness. Failure to accomplish these instructions could result in an unsafe condition. The MCAI explains that recently GEAC published a revision to the ALS, introducing updated coefficients for the calculation of the cyclic life and safe life for the main shaft. In the NPRM, the FAA proposed to require revising the ALS of the existing EMM and the operator’s existing approved maintenance or inspection program, as applicable, to incorporate the updated coefficients and recalculate the cycles accumulated on critical parts. An owner/operator (pilot) holding at least a private pilot certificate may This section of the FEDERAL REGISTER contains regulatory documents having general applicability and legal effect, most of which are keyed to and codified in the Code of Federal Regulations, which is published under 50 titles pursuant to 44 U.S.C. 1510. The Code of Federal Regulations is sold by the Superintendent of Documents. DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA–2022–1302; Project Identifier MCAI–2022–00062–E; Amendment 39–22301; AD 2023–01–07] Federal Aviation Administration (FAA), DOT. ACTION: Final rule. AGENCY: The FAA is adopting a new airworthiness directive (AD) for all GE Aviation Czech s.r.o. (GEAC) H75–100, H75–200, H80, H80–100, H80–200, H85–100, and H85–200 model turboprop engines. This AD is prompted by the manufacturer revising the airworthiness limitations section (ALS) of the existing engine maintenance manual (EMM) to introduce updated coefficients for the calculation of the cyclic life and safe life for the main shaft. This AD requires revising the ALS of the existing EMM and the operator’s existing approved maintenance or inspection program, as applicable, to incorporate the updated coefficients and recalculate the cycles accumulated on critical parts. The FAA is issuing this AD to address the unsafe condition on these products. DATES: This AD is effective February 21, 2023. ADDRESSES: AD Docket: You may examine the AD docket at regulations.gov under Docket No. FAA–2022–1302; or in person at Docket Operations between 9 a.m. and khammond on DSKJM1Z7X2PROD with RULES SUMMARY: VerDate Sep<11>2014 15:51 Jan 13, 2023 Jkt 259001 PO 00000 Frm 00001 Fmt 4700 Sfmt 4700 Discussion of Final Airworthiness Directive The FAA received no comments on the NPRM or on the determination of the costs. Conclusion These products have been approved by the aviation authority of another country and are approved for operation in the United States. Pursuant to the FAA’s bilateral agreement with this State of Design Authority, it has notified the FAA of the unsafe condition described in the MCAI referenced above. The FAA reviewed the relevant data and determined that air safety requires adopting this 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 NPRM. Related Service Information The FAA reviewed the ALS of the GEAC EMM, Part No: 0983402, Rev. 22, dated December 18, 2020. This service information provides updated coefficients for the calculation of the cyclic life and safe life for the main shaft. Costs of Compliance The FAA estimates that this AD affects 33 engines installed on airplanes of U.S. registry. The FAA estimates the following costs to comply with this AD: E:\FR\FM\17JAR1.SGM 17JAR1 2502 Federal Register / Vol. 88, No. 10 / Tuesday, January 17, 2023 / Rules and Regulations ESTIMATED COSTS Action Labor cost Parts cost Cost per product Cost on U.S. operators Revise the ALS of the EMM and the operator’s existing approved maintenance or inspection program. 1 work-hour × $85 per hour = $85. $0 $85 $2,805 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 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. 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: ■ 2023–01–07 GE Aviation Czech s.r.o (Type Certificate previously held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.): Amendment 39– 22301; Docket No. FAA–2022–1302; Project Identifier MCAI–2022–00062–E. (a) Effective Date This airworthiness directive (AD) is February 21, 2023. (b) Affected ADs None. (c) Applicability This AD applies to GE Aviation Czech s.r.o. (Type Certificate previously held by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.) H75–100, H75–200, H80, H80–100, H80–200, H85–100, and H85–200 model turboprop engines. (d) Subject Joint Aircraft System Component (JASC) Code 7200, Engine (Turbine/Turboprop). (e) Unsafe Condition This AD was prompted by the manufacturer revising the airworthiness limitations section (ALS) of the existing engine maintenance manual (EMM) to introduce updated coefficients for the calculation of the cyclic life and safe life for the main shaft. The FAA is issuing this AD to prevent failure of the engine. The unsafe condition, if not addressed, could result in uncontained release of a critical part, damage to the engine, and damage to the airplane. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Required Actions (1) Within 90 days of the effective date of this AD, revise the ALS of the existing EMM and the existing approved maintenance or inspection program, as applicable, to incorporate the information in Table 1 to paragraph (g)(1) of this AD and recalculate the cycles accumulated on critical parts. TABLE 1 TO PARAGRAPH (g)(1)—EQUIVALENT CYCLIC LIFE (N) AND SAFE LIFE OF CRITICAL PARTS Description Abbreviated flight cycle coefficient Drawing No. AV khammond on DSKJM1Z7X2PROD with RULES Main Shaft ....................................... M601–1017.75 ................................ (2) After performing the action required by paragraph (g)(1) of this AD, except as provided in paragraph (h) of this AD, no alternative life limits may be approved. (3) The action required by paragraph (g)(1) of this AD may be performed by the owner/ operator (pilot) holding at least a private pilot certificate and must be entered into the aircraft records showing compliance with this AD in accordance with §§ 43.9(a) and 91.417(a)(2)(v). The record must be VerDate Sep<11>2014 18:47 Jan 13, 2023 Jkt 259001 I 0.47 maintained as required by § 91.417, 121.380, or 135.439. (h) 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 § 39.19. In accordance with § 39.19, send your request to your principal inspector or local Flight Standards District Office, as PO 00000 Frm 00002 Fmt 4700 AP Sfmt 4700 Flight mission coefficient Equivalent cyclic life limit L N 1.05 16,000 appropriate. If sending information directly to the manager of the certification office, send it to the attention of the person identified in paragraph (i)(2) 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. E:\FR\FM\17JAR1.SGM 17JAR1 Federal Register / Vol. 88, No. 10 / Tuesday, January 17, 2023 / Rules and Regulations (i) Additional Information (1) Refer to European Union Aviation Safety Agency (EASA) AD 2022–0008, dated January 19, 2022, for related information. This EASA AD may be found in the AD docket at regulations.gov under Docket No. FAA–2022–1302. (2) For more information about this AD, contact Barbara Caufield, Aviation Safety Engineer, ECO Branch, FAA, 1200 District Avenue, Burlington, MA 01803; phone: (781) 238–7146; email: barbara.caufield@faa.gov. (j) Material Incorporated by Reference None. Issued on January 6, 2023. Christina Underwood, Acting Director, Compliance & Airworthiness Division, Aircraft Certification Service. [FR Doc. 2023–00490 Filed 1–13–23; 8:45 am] BILLING CODE 4910–13–P DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 71 [Docket No. FAA–2022–1225; Airspace Docket No. 22–AGL–31] RIN 2120–AA66 Amendment of Class E Airspace; Plymouth and Winamac, IN Federal Aviation Administration (FAA), DOT. ACTION: Final rule. This action amends the Class E airspace at Plymouth and Winamac, IN. This action is due to airspace reviews conducted as part of the decommissioning of the Knox very high frequency (VHF) omnidirectional range (VOR) as part of the VOR Minimal Operational Network (MON) Program. The geographic coordinates of Plymouth Municipal Airport are also being updated to coincide with the FAA’s aeronautical database. DATES: Effective 0901 UTC, April 20, 2023. The Director of the Federal Register approves this incorporation by reference action under 1 CFR part 51, subject to the annual revision of FAA Order JO 7400.11 and publication of conforming amendments. ADDRESSES: FAA Order JO 7400.11G, Airspace Designations and Reporting Points, and subsequent amendments can be viewed online at www.faa.gov/air_ traffic/publications/. For further information, you can contact the Airspace Policy Group, Federal Aviation Administration, 800 Independence Avenue SW, Washington, DC 20591; telephone: (202) 267–8783. khammond on DSKJM1Z7X2PROD with RULES VerDate Sep<11>2014 15:51 Jan 13, 2023 Jkt 259001 Jeffrey Claypool, Federal Aviation Administration, Operations Support Group, Central Service Center, 10101 Hillwood Parkway, Fort Worth, TX 76177; telephone (817) 222–5711. SUPPLEMENTARY INFORMATION: Authority for This Rulemaking The FAA’s authority to issue rules regarding aviation safety is found in Title 49 of the United States Code. 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. This rulemaking is promulgated under the authority described in Subtitle VII, Part A, Subpart I, Section 40103. Under that section, the FAA is charged with prescribing regulations to assign the use of airspace necessary to ensure the safety of aircraft and the efficient use of airspace. This regulation is within the scope of that authority as it amends the Class E airspace extending upward from 700 feet above the surface at Plymouth Municipal Airport, Plymouth, IN, and Arens Field, Winamac, IN, to support instrument flight rule operations at these airports. History AGENCY: SUMMARY: FOR FURTHER INFORMATION CONTACT: The FAA published a notice of proposed rulemaking in the Federal Register (87 FR 66627; November 4, 2022) for Docket No. FAA–2022–1225 to amend the Class E airspace at Plymouth and Winamac, IN. Interested parties were invited to participate in this rulemaking effort by submitting written comments on the proposal to the FAA. No comments were received. Class E airspace designations are published in paragraph 6005 of FAA Order JO 7400.11G, dated August 19, 2022, and effective September 15, 2022, which is incorporated by reference in 14 CFR 71.1. The Class E airspace designations listed in this document will be published subsequently in FAA Order JO 7400.11. Availability and Summary of Documents for Incorporation by Reference This document amends FAA Order JO 7400.11G, Airspace Designations and Reporting Points, dated August 19, 2022, and effective September 15, 2022. FAA Order JO 7400.11G is publicly available as listed in the ADDRESSES section of this document. FAA Order JO 7400.11G lists Class A, B, C, D, and E airspace areas, air traffic service routes, and reporting points. PO 00000 Frm 00003 Fmt 4700 Sfmt 4700 2503 The Rule This amendment to 14 CFR part 71: Amends the Class E airspace extending upward from 700 feet above the surface to within a 6.4-mile (increased from a 6.3-mile) radius of Plymouth Municipal Airport, Plymouth, IN; and updates the geographic coordinates of the airport to coincide with the FAA’s aeronautical database; And amends the Class E airspace extending upward from 700 feet above the surface to within a 6.4-mile (decreased from a 7-mile) radius of Arens Field, Winamac, IN; and removes the city associated with the airport in the airspace legal description header to comply with changes to FAA Order JO 7400.2N, Procedures for Handling Airspace Matters. This action is due to airspace reviews conducted as part of the decommissioning of the Knox VOR, which provided navigation information for the instrument procedures at this airport, as part of the VOR MON Program. FAA Order JO 7400.11, Airspace Designations and Reporting Points, is published yearly and effective on September 15. Regulatory Notices and Analyses The FAA has determined that this regulation only involves an established body of technical regulations for which frequent and routine amendments are necessary to keep them operationally current, is non-controversial and unlikely to result in adverse or negative comments. It, therefore: (1) is not a ‘‘significant regulatory action’’ under Executive Order 12866; (2) is not a ‘‘significant rule’’ under DOT Regulatory Policies and Procedures (44 FR 11034; February 26, 1979); and (3) does not warrant preparation of a regulatory evaluation as the anticipated impact is so minimal. Since this is a routine matter that only affects air traffic procedures and air navigation, it is certified that this rule, when promulgated, does not have a significant economic impact on a substantial number of small entities under the criteria of the Regulatory Flexibility Act. Environmental Review The FAA has determined that this action qualifies for categorical exclusion under the National Environmental Policy Act in accordance with FAA Order 1050.1F, ‘‘Environmental Impacts: Policies and Procedures,’’ paragraph 5–6.5.a. This airspace action is not expected to cause any potentially significant environmental impacts, and no extraordinary circumstances exist E:\FR\FM\17JAR1.SGM 17JAR1

Agencies

[Federal Register Volume 88, Number 10 (Tuesday, January 17, 2023)]
[Rules and Regulations]
[Pages 2501-2503]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2023-00490]



========================================================================
Rules and Regulations
                                                Federal Register
________________________________________________________________________

This section of the FEDERAL REGISTER contains regulatory documents 
having general applicability and legal effect, most of which are keyed 
to and codified in the Code of Federal Regulations, which is published 
under 50 titles pursuant to 44 U.S.C. 1510.

The Code of Federal Regulations is sold by the Superintendent of Documents. 

========================================================================


Federal Register / Vol. 88, No. 10 / Tuesday, January 17, 2023 / 
Rules and Regulations

[[Page 2501]]



DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2022-1302; Project Identifier MCAI-2022-00062-E; 
Amendment 39-22301; AD 2023-01-07]
RIN 2120-AA64


Airworthiness Directives; GE Aviation Czech s.r.o. (Type 
Certificate Previously Held by WALTER Engines a.s., Walter a.s., and 
MOTORLET a.s.) Turboprop Engines

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule.

-----------------------------------------------------------------------

SUMMARY: The FAA is adopting a new airworthiness directive (AD) for all 
GE Aviation Czech s.r.o. (GEAC) H75-100, H75-200, H80, H80-100, H80-
200, H85-100, and H85-200 model turboprop engines. This AD is prompted 
by the manufacturer revising the airworthiness limitations section 
(ALS) of the existing engine maintenance manual (EMM) to introduce 
updated coefficients for the calculation of the cyclic life and safe 
life for the main shaft. This AD requires revising the ALS of the 
existing EMM and the operator's existing approved maintenance or 
inspection program, as applicable, to incorporate the updated 
coefficients and recalculate the cycles accumulated on critical parts. 
The FAA is issuing this AD to address the unsafe condition on these 
products.

DATES: This AD is effective February 21, 2023.

ADDRESSES: 
    AD Docket: You may examine the AD docket at regulations.gov under 
Docket No. FAA-2022-1302; 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, the mandatory continuing airworthiness 
information (MCAI), 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.

FOR FURTHER INFORMATION CONTACT: Barbara Caufield, Aviation Safety 
Engineer, ECO Branch, FAA, 1200 District Avenue, Burlington, MA 01803; 
phone: (781) 238-7146; email: [email protected].

SUPPLEMENTARY INFORMATION: 

Background

    The FAA issued a notice of proposed rulemaking (NPRM) to amend 14 
CFR part 39 by adding an AD that would apply to all GEAC H75-100, H75-
200, H80, H80-100, H80-200, H85-100, and H85-200 model turboprop 
engines. The NPRM published in the Federal Register on October 24, 2022 
(87 FR 64175). The NPRM was prompted by AD 2022-0008, dated January 19, 
2022, issued by the European Union Aviation Safety Agency (EASA), which 
is the Technical Agent for the Member States of the European Union 
(referred to after this as the MCAI). The MCAI states that the 
airworthiness limitations for H series engine models, which are 
approved by EASA, are currently defined and published in the ALS of the 
GEAC EMM. These instructions have been identified as mandatory for 
continued airworthiness. Failure to accomplish these instructions could 
result in an unsafe condition. The MCAI explains that recently GEAC 
published a revision to the ALS, introducing updated coefficients for 
the calculation of the cyclic life and safe life for the main shaft.
    In the NPRM, the FAA proposed to require revising the ALS of the 
existing EMM and the operator's existing approved maintenance or 
inspection program, as applicable, to incorporate the updated 
coefficients and recalculate the cycles accumulated on critical parts. 
An owner/operator (pilot) holding at least a private pilot certificate 
may revise the ALS of the existing EMM, and the owner/operator must 
enter compliance with the applicable paragraphs of the AD into the 
aircraft records in showing compliance with this AD in accordance with 
14 CFR 43.9(a) and 14 CFR 91.417(a)(2)(v). The record must be 
maintained as required by 14 CFR 91.417, 121.380, or 135.439. This is 
an exception to the FAA's standard maintenance regulations. The FAA is 
issuing this AD to address the unsafe condition on these products.
    You may examine the MCAI in the AD docket at regulations.gov under 
Docket No. FAA-2022-1302.

Discussion of Final Airworthiness Directive

Comments

    The FAA received no comments on the NPRM or on the determination of 
the costs.

Conclusion

    These products have been approved by the aviation authority of 
another country and are approved for operation in the United States. 
Pursuant to the FAA's bilateral agreement with this State of Design 
Authority, it has notified the FAA of the unsafe condition described in 
the MCAI referenced above. The FAA reviewed the relevant data and 
determined that air safety requires adopting this 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 NPRM.

Related Service Information

    The FAA reviewed the ALS of the GEAC EMM, Part No: 0983402, Rev. 
22, dated December 18, 2020. This service information provides updated 
coefficients for the calculation of the cyclic life and safe life for 
the main shaft.

Costs of Compliance

    The FAA estimates that this AD affects 33 engines installed on 
airplanes of U.S. registry.
    The FAA estimates the following costs to comply with this AD:

[[Page 2502]]



                                                 Estimated Costs
----------------------------------------------------------------------------------------------------------------
                                                                                    Cost per       Cost on U.S.
               Action                        Labor cost           Parts cost        product         operators
----------------------------------------------------------------------------------------------------------------
Revise the ALS of the EMM and the     1 work-hour x $85 per                $0              $85           $2,805
 operator's existing approved          hour = $85.
 maintenance or inspection program.
----------------------------------------------------------------------------------------------------------------

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

    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.

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

0
1. The authority citation for part 39 continues to read as follows:

    Authority: 49 U.S.C. 106(g), 40113, 44701.


Sec.  39.13  [Amended]

0
2. The FAA amends Sec.  39.13 by adding the following new airworthiness 
directive:

2023-01-07 GE Aviation Czech s.r.o (Type Certificate previously held 
by WALTER Engines a.s., Walter a.s., and MOTORLET a.s.): Amendment 
39-22301; Docket No. FAA-2022-1302; Project Identifier MCAI-2022-
00062-E.

(a) Effective Date

    This airworthiness directive (AD) is February 21, 2023.

(b) Affected ADs

    None.

(c) Applicability

    This AD applies to GE Aviation Czech s.r.o. (Type Certificate 
previously held by WALTER Engines a.s., Walter a.s., and MOTORLET 
a.s.) H75-100, H75-200, H80, H80-100, H80-200, H85-100, and H85-200 
model turboprop engines.

(d) Subject

    Joint Aircraft System Component (JASC) Code 7200, Engine 
(Turbine/Turboprop).

(e) Unsafe Condition

    This AD was prompted by the manufacturer revising the 
airworthiness limitations section (ALS) of the existing engine 
maintenance manual (EMM) to introduce updated coefficients for the 
calculation of the cyclic life and safe life for the main shaft. The 
FAA is issuing this AD to prevent failure of the engine. The unsafe 
condition, if not addressed, could result in uncontained release of 
a critical part, damage to the engine, and damage to the airplane.

(f) Compliance

    Comply with this AD within the compliance times specified, 
unless already done.

(g) Required Actions

    (1) Within 90 days of the effective date of this AD, revise the 
ALS of the existing EMM and the existing approved maintenance or 
inspection program, as applicable, to incorporate the information in 
Table 1 to paragraph (g)(1) of this AD and recalculate the cycles 
accumulated on critical parts.

                                 Table 1 to Paragraph (g)(1)--Equivalent Cyclic Life (N) and Safe Life of Critical Parts
--------------------------------------------------------------------------------------------------------------------------------------------------------
                                                                                         Abbreviated  flight cycle    Flight  mission      Equivalent
                                                                                                coefficient              coefficient      cyclic life
                   Description                                Drawing No.            -------------------------------------------------       limit
                                                                                                                                      ------------------
                                                                                            AV              AP               L                 N
--------------------------------------------------------------------------------------------------------------------------------------------------------
Main Shaft......................................  M601-1017.75......................               0.47                         1.05             16,000
--------------------------------------------------------------------------------------------------------------------------------------------------------

    (2) After performing the action required by paragraph (g)(1) of 
this AD, except as provided in paragraph (h) of this AD, no 
alternative life limits may be approved.
    (3) The action required by paragraph (g)(1) of this AD may be 
performed by the owner/operator (pilot) holding at least a private 
pilot certificate and must be entered into the aircraft records 
showing compliance with this AD in accordance with Sec. Sec.  
43.9(a) and 91.417(a)(2)(v). The record must be maintained as 
required by Sec.  91.417, 121.380, or 135.439.

(h) 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 Sec.  
39.19. In accordance with Sec.  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)(2) of this AD and email to: [email protected].
    (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.

[[Page 2503]]

(i) Additional Information

    (1) Refer to European Union Aviation Safety Agency (EASA) AD 
2022-0008, dated January 19, 2022, for related information. This 
EASA AD may be found in the AD docket at regulations.gov under 
Docket No. FAA-2022-1302.
    (2) For more information about this AD, contact Barbara 
Caufield, Aviation Safety Engineer, ECO Branch, FAA, 1200 District 
Avenue, Burlington, MA 01803; phone: (781) 238-7146; email: 
[email protected].

(j) Material Incorporated by Reference

    None.

    Issued on January 6, 2023.
Christina Underwood,
Acting Director, Compliance & Airworthiness Division, Aircraft 
Certification Service.
[FR Doc. 2023-00490 Filed 1-13-23; 8:45 am]
BILLING CODE 4910-13-P
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