2024-03-02: Time Limits/Maintenance Checks

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: 2024-03-02 MHI RJ Aviation ULC (Type Certificate Previously Held by Bombardier, Inc.): Amendment 39-22671; Docket No. FAA-2023-1704; Project Identifier MCAI-2022-00866-T. (a) Effective Date This airworthiness directive (AD) is effective April 9, 2024. (b) Affected ADs None. (c) Applicability This AD applies to all MHI RJ Aviation ULC (Type Certificate Previously Held by Bombardier, Inc.) Model CL-600-2C10 (Regional Jet Series 700, 701 & 702), CL-600-2C11 (Regional Jet Series 550), CL-600-2D15 (Regional Jet Series 705), CL-600-2D24 (Regional Jet Series 900), and CL-600-2E25 (Regional Jet Series 1000) airplanes, certificated in any category. (d) Subject Air Transport Association (ATA) of America Code: 05, Time Limits/Maintenance Checks. (e) Reason This AD was prompted by a determination that new or more restrictive airworthiness limitations are necessary. The FAA is issuing this AD to address cracks in the principal structural elements of the fuselage and wings. The unsafe condition, if not addressed, could result in reduced structural integrity of the airplane. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Maintenance or Inspection Program Revision Within 60 days after the effective date of this AD, revise the existing maintenance or inspection program, as applicable, to incorporate the tasks identified in figure 1 to paragraph (g) of this AD as specified in MHI RJ Aviation CRJ550/700/705/900/1000 Maintenance Requirements Manual (MRM) Part 2, CSP B-053, Revision 26, dated March 25, 2022. The initial compliance time for doing the tasks is at the applicable times specified in MHI RJ Aviation CRJ550/700/705/900/1000 Maintenance Requirements Manual (MRM) Part 2, CSP B-053, Revision 26, dated March 25, 2022, or within 60 days after the effective date of this AD, whichever occurs later. ER05MR24.002 (h) No Alternative Actions or Intervals After the existing maintenance or inspection program has been revised as required by paragraph (g) of this AD, no alternative actions ( e.g., inspections) or intervals, may be used unless the actions and intervals are approved as an alternative method of compliance (AMOC) in accordance with the procedures specified in paragraph (j)(1) of this AD. (i) Credit for Previous Actions This paragraph provides credit for the actions specified in paragraph (g) of this AD, if those actions were performed before the effective date of this AD using the service information specified in paragraph (i)(1) or (2) of this AD, as applicable. (1) For the tasks specified in figure 2 to paragraph (i)(1) of this AD: MHI RJ Aviation CRJ550/700/705/900/1000 Maintenance Requirements Manual (MRM) Part 2, CSP B-053, Revision 24, dated February 25, 2021. ER05MR24.003 (2) For the tasks specified in figure 3 to paragraph (i)(2) of this AD: MHI RJ Aviation CRJ550/700/705/900/1000 Maintenance Requirements Manual (MRM) Part 2, CSP B-053, Revision 25, dated June 25, 2021. ER05MR24.004 (j) Other FAA AD Provisions The following provisions also apply to this AD: (1) Alternative Methods of Compliance (AMOCs): The Manager, International Validation 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 responsible Flight Standards Office, as appropriate. If sending information directly to the manager of the International Validation Branch, mail to the address identified in paragraph (k)(2) of this AD. Information may be emailed to: [email protected]. Before using any approved AMOC, notify your appropriate principal inspector, or lacking a principal inspector, the manager of the responsible Flight Standards Office. (2) Contacting the Manufacturer: For any requirement in this AD to obtain instructions from a manufacturer, the instructions must be accomplished using a method approved by the Manager, International Validation Branch, FAA; or Transport Canada; or MHI RJ Aviation ULC's Transport Canada Design Approval Organization (DAO). If approved by the DAO, the approval must include the DAO-authorized signature. (k) Additional Information (1) Refer to Transport Canada AD CF-2022-35, dated June 29, 2022, for related information. This Transport Canada AD may be found in the AD docket at regulations.gov under Docket No. FAA-2023-1704. (2) For more information about this AD, contact Yaser Osman, Aviation Safety Engineer, FAA, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone 516-228-7300; email [email protected]. (3) Service information identified in this AD that is not incorporated by reference is available at the addresses specified in paragraphs (l)(4) and (5) of this AD. (l) 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 this AD specifies otherwise. (i) MHI RJ Aviation CRJ550/700/705/900/1000 Maintenance Requirements Manual (MRM) Part 2, CSP B-053, Revision 26, dated March 25, 2022. (ii) [Reserved] (3) For service information identified in this AD, contact MHI RJ Aviation Group, Customer Response Center, 3655 Ave. des Grandes-Tourelles, Suite 110, Boisbriand, Québec J7H 0E2 Canada; North America toll-free telephone 833-990-7272 or direct-dial telephone 450-990-7272; fax 514-855-8501; email [email protected]; website mhirj.com. (4) You may view this service information at the FAA, Airworthiness Products Section, Operational Safety Branch, 2200 South 216th Street, Des Moines, WA. For information on the availability of this material at the FAA, call 206-231-3195. (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 [email protected]. Issued on February 1, 2024. Victor Wicklund, Deputy Director, Compliance & Airworthiness Division, Aircraft Certification Service. [FR Doc. 2024-04557 Filed 3-4-24; 8:45 am]BILLING CODE 4910-13-P