2025-06-03: Turbine Engine Compressor Section

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: a. Removing Airworthiness Directive AD 2022-24-06, Amendment 39-22246 (87 FR 73919, December 2, 2022); and b. Adding the following new airworthiness directive: 2025-06-03 Rolls-Royce Deutschland Ltd & Co KG: Amendment 39-22991; Docket No. FAA-2024-2538; Project Identifier MCAI-2023-01211-E. (a) Effective Date This airworthiness directive (AD) is effective April 23, 2025. (b) Affected ADs This AD replaces AD 2022-24-06, Amendment 39-22246 (87 FR 73919, December 2, 2022) (AD 2022-24-06). (c) Applicability This AD applies to Rolls-Royce Deutschland Ltd & Co KG (RRD) Model BR700-710A1-10, BR700-710A2-20, and BR700-710C4-11 engines as identified in European Union Aviation Safety Agency AD 2022-0110R1, dated November 22, 2023 (EASA AD 2022-0110R1). (d) Subject Joint Aircraft Service Component (JASC) Code 7230, Turbine Engine Compressor Section. (e) Unsafe Condition This AD was prompted by reports of cracks on certain low-pressure compressor (LPC) rotor (fan) disks. The FAA is issuing this AD to prevent failure of the LPC rotor fan or blade. The unsafe condition, if not addressed, could result in high energy debris release, damage to the airplane, and reduced control of 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, EASA AD 2022-0110R1. (h) Exceptions to EASA AD 2022-0110R1 (1) Where EASA AD 2022-0110R1 requires compliance from its effective date, this AD requires using the effective date of this AD. (2) Where EASA AD 2022-0110R1 requires compliance from "29 June 2022 [the effective date of the original issue of this AD]," this AD requires replacing that text with "January 6, 2023 (the effective date of AD 2022-24-06)." (3) This AD does not require compliance with paragraph (7) of EASA AD 2022-0110R1. The actions required by paragraph 7 of EASA AD 2022-0110R1 were included in AD 2022-26-02, Amendment 39-22280 (87 FR 78846, December 23, 2022), and for this AD may be used for informational purposes. (4) This AD does not adopt the "Remarks" paragraph of EASA AD 2022-0110R1. (i) No Reporting Requirement Although the service information referenced in EASA AD 2022-0110R1 specifies to submit certain information to the manufacturer, 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 AIR-520 Continued Operational Safety Branch, send it to the attention of the person identified in paragraph (k) of this AD and email to: 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 Barbara Caufield, Aviation Safety Engineer, FAA, 2200 South 216th Street, Des Moines, WA 98198; phone: (781) 238-7146; email: barbara.caufield@faa.gov. (l) Material Incorporated by Reference (1) The Director of the Federal Register approved the incorporation by reference (IBR) of the material listed in this paragraph under 5 U.S.C. 552(a) and 1 CFR part 51. (2) You must use this material as applicable to do the actions required by this AD, unless the AD specifies otherwise. (i) European Union Aviation Safety Agency (EASA) AD 2022-0110R1, dated November 22, 2023. (ii) [Reserved] (3) For EASA material identified in this AD, 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 material at 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 material at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, visit www.archives.gov/federal-register/cfr/ibr-locations or email fr.inspection@nara.gov . Issued on March 11, 2025. Peter A. White, Deputy Director, Integrated Certificate Management Division, Aircraft Certification Service. [FR Doc. 2025-04445 Filed 3-18-25; 8:45 am]BILLING CODE 4910-13-P