2024-07-04: 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 adding the following new airworthiness directive: 2024-07-04 Rolls-Royce Deutschland Ltd & Co KG: Amendment 39-22725; Docket No. FAA-2024-0993; Project Identifier MCAI-2024-00178-E. (a) Effective Date This airworthiness directive (AD) is effective April 15, 2024. (b) Affected ADs None. (c) Applicability This AD applies to Rolls-Royce Deutschland Ltd & Co KG Model RB211-524H-36 and RB211-524H-T-36 engines. (d) Subject Joint Aircraft System Component (JASC) Code 7230, Turbine Engine Compressor Section. (e) Unsafe Condition This AD was prompted by reports of engine surges and a subsequent investigation which found that the surges may have been caused by material loss on the high-pressure compressor (HPC) stage 1 and stage 2 rotor path liners. The FAA is issuing this AD to prevent material loss on the HPC stage 1 and stage 2 rotor path liners. The unsafe condition, if not addressed, could result in dual engine shutdown 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, European Union Aviation Safety Agency AD 2024-0069-E, dated March 12, 2024 (EASA AD 2024-0069-E). (h) Exceptions to EASA AD 2024-0069-E (1) Where EASA AD 2024-0069-E refers to its effective date, this AD requires using the effective date of this AD. (2) Where EASA AD 2024-0069-E specifies compliance "Within 18 days after the effective date of this AD," for this AD, replace that text with "Within 5 days after the effective date of this AD." (3) Where EASA AD 2024-0069-E specifies to "contact Rolls-Royce Deutschland Ltd & Co KG," for this AD, replace that text with "contact the Manager, AIR-520 Continued Operational Safety Branch, FAA; or EASA; or the Rolls-Royce Deutschland Ltd & Co KG EASA Design Organization Approval (DOA) (if approved by the DOA, the approval must include the DOA-authorized signature)" (4) This AD does not adopt the Remarks paragraph of EASA AD 2024-0069-E. (i) No Reporting Requirement Although the service information referenced in EASA AD 2024-0069-E specifies to submit certain information to the manufacturer, this AD does not include that requirement. (j) Alternative Methods of Compliance (AMOCs) 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 AIR-520 Continued Operational Safety Branch, send it to the attention of the person identified in paragraph (k) of this AD. 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 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 2024-0069-E, dated March 12, 2024. (ii) [Reserved] (3) For EASA AD 2024-0069-E, 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 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 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 28, 2024. Victor Wicklund, Deputy Director, Compliance & Airworthiness Division, Aircraft Certification Service. [FR Doc. 2024-07433 Filed 4-3-24; 4:15 pm]BILLING CODE 4910-13-P