2023-01-08: Engine (Turbine/Turboprop)

1. The authority citation for part 39 continues to read as follows: Authority: 49 U.S.C. 106(g), 40113, 44701. 2. The FAA amends § 39.13 by adding the following new airworthiness directive: 2023-01-08 Continental Aerospace Technologies GmbH (Type Certificate previously held by Technify Motors GmbH and Thielert Aircraft Engines GmbH): Amendment 39-22302; Docket No. FAA-2022-1413; Project Identifier MCAI-2021-00077-E. (a) Effective Date This airworthiness directive (AD) is effective March 9, 2023. (b) Affected ADs None. (c) Applicability This AD applies to Continental Aerospace Technologies GmbH (Type Certificate previously held by Technify Motors GmbH and Thielert Aircraft Engines GmbH) TAE 125-02-99 and TAE 125-02-114 model reciprocating engines with an engine serial number (S/N) identified in Models Affected, Continental Aerospace Technologies GmbH Service Bulletin (SB) CG 125-1027 P1, Revision 1, dated May 28, 2021. (d) Subject Joint Aircraft System Component (JASC) Code 7200, Engine (Turbine/Turboprop). (e) Unsafe Condition This AD was prompted by manufacturer reports of fractured main bearing studs. The FAA is issuing this AD to prevent failure of the main bearing stud. The unsafe condition, if not addressed, could result in engine in-flight shutdown and forced landing, damage to the airplane, and injury to the occupants. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Required Actions (1) For Group 1 and Group 2 engines, before exceeding the applicable compliance time in Table 1 to paragraph (g)(1) of this AD, remove all main bearing studs from service if one or more main bearing studs with part number (P/N) 05-7211-K009801 and batch number B180703/1, B184216/1, B184216/2, or B191277/1 are installed on the engine and replace with parts eligible for installation in accordance with Instructions, paragraphs 4.2 through 4.2.17 of Continental Aerospace Technologies GmbH Repair Instruction RI-05-0017-04, Revision 4, dated April 1, 2021 (Continental Aerospace Technologies GmbH RI-05-0017-04, Revision 4). Table 1 to Paragraph ( g )(1)-Main Bearing Stud Replacement Group Flight hours (FHs) since new Compliance time 1 100 FHs or less Before exceeding 115 FHs since new, or during the next scheduled maintenance, whichever occurs first after the effective date of this AD. 1 More than 100 FHs Before exceeding 15 FHs from the effective date of this AD, or during the next scheduled maintenance, whichever occurs first after the effective date of this AD. 2 100 FHs or less Before exceeding 200 FHs since new, or during the next scheduled maintenance whichever occurs first after the effective date of this AD. 2 More than 100 FHs Before exceeding 100 FHs from the effective date of this AD, or during the next scheduled maintenance, whichever occurs first after the effective date of this AD. Note 1 to paragraph (g)(1): FHs since new indicated in Table 1 to paragraph (g)(1) of this AD are FHs accumulated by the engine since first installation on an airplane, on the effective date of this AD. (2) For engines not installed on an airplane as of the effective date of this AD, before further flight, remove all main bearing studs if one or more main bearing studs with P/N 05-7211-K009801 and batch number B180703/1, B184216/1, B184216/2, or B191277/1 are installed on the engine and replace with parts eligible for installation in accordance with Instructions, paragraphs 4.2 through 4.2.17 of Continental Aerospace Technologies GmbH RI-05-0017-04, Revision 4. (h) Installation Prohibition After the effective date of this AD, do not install onto any engine a main bearing stud with P/N 05-7211-K009801 and batch number B180703/1, B184216/1, B184216/2, or B191277/1. (i) Definitions (1) For the purpose of this AD, Group 1 engines are affected engines installed on single-engine airplanes, with main bearing stud with P/N 05-7211-K009801 and batch number B180703/1, B184216/1, B184216/2, or B191277/1 installed on the engine, and affected engines installed on twin-engine airplanes, with main bearing stud with P/N 05-7211-K009801 and batch number B180703/1, B184216/1, B184216/2, or B191277/1 installed on both engines. (2) For the purpose of this AD, Group 2 engines are affected engines installed on twin-engine airplanes, with main bearing stud with P/N 05-7211-K009801 and batch number B180703/1, B184216/1, B184216/2, or B191277/1 installed on only one engine. (3) For the purpose of this AD, parts eligible for installation are any main bearing studs that do not have P/N 05-7211-K009801 and batch number B180703/1, B184216/1, B184216/2, or B191277/1. (j) Alternative Methods of Compliance (AMOCs) 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 appropriate. If sending information directly to the manager of the certification office, send it to the attention of the person identified in paragraph (k)(2) of this AD and email to: [email protected]. 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 (1) Refer to European Union Aviation Safety Agency (EASA) AD 2021-0022, dated January 18, 2021, for related information. This EASA AD may be found in the AD docket at regulations.gov under Docket No. FAA-2022-1413. (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]. (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) Continental Aerospace Technologies GmbH Service Bulletin CG 125-1027 P1, Revision 1, dated May 28, 2021. (ii) Continental Aerospace Technologies GmbH Repair Instruction RI-05-0017-04, Revision 4, dated April 1, 2021. (3) For Continental Aerospace Technologies GmbH service information identified in this AD, contact Continental Aerospace Technologies GmbH, Platanenstrasse 14, 09356 Sankt Egidien, Germany; phone: +49 37204 696 0; email: [email protected]; website: continentaldiesel.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: [email protected], or go to: www.archives.gov/federal-register/cfr/ibr-locations.html. Issued on January 6, 2023. Christina Underwood, Acting Director, Compliance & Airworthiness Division, Aircraft Certification Service. [FR Doc. 2023-02154 Filed 2-1-23; 8:45 am]BILLING CODE 4910-13-P