2024-10-09: 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: 2024-10-09 MHI RJ Aviation ULC (Type Certificate Previously Held by Bombardier, Inc.): Amendment 39-22755; Docket No. FAA-2024-0219; Project Identifier MCAI-2023-00764-T. (a) Effective Date This airworthiness directive (AD) is effective July 19, 2024. (b) Affected ADs None. (c) Applicability This AD applies to MHI RJ Aviation ULC (Type Certificate previously held by Bombardier, Inc.) Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes, certificated in any category, as identified in Transport Canada AD CF-2023-41, dated June 15, 2023 (Transport Canada AD CF-2023-41). (d) Subject Air Transport Association (ATA) of America Code 05, Time Limits/Maintenance Checks. (e) Unsafe Condition This AD was prompted by a determination that a more restrictive airworthiness limitation is necessary. The FAA is issuing this AD to address failure of the strap modification to the fuselage station (FS) 409 + 128 bulkhead. The unsafe condition, if not addressed, could result in the loss of the structural integrity of the airplane. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Requirements Except as specified in paragraph (h) of this AD: Comply with all required actions and compliance times specified in, and in accordance with, Transport Canada AD CF-2023-41. (h) Exception to Transport Canada AD CF-2023-41 (1) Where Transport Canada AD CF-2023-41 refers to its effective date, this AD requires using the effective date of this AD. (2) Where paragraph A. of Transport Canada AD CF-2023-41 specifies to "incorporate the revised task AWL number 53-41-180 in Appendix B of the MRM CSP A-053 Part 2," this AD requires replacing that text with "revise the existing maintenance or inspection program, as applicable, by incorporating the revised task AWL number 53-41-180 specified in MHI RJ Temporary Revision 2B-2283, dated March 16, 2023." (3) The initial compliance time for doing the task specified in paragraph A. of Transport Canada AD CF-2023-41 is at the applicable "threshold" as specified in the service information referenced in paragraph B. of Transport Canada AD CF-2023-41, or within 60 days after the effective date of this AD, whichever occurs later. (4) This AD does not adopt paragraph B. of Transport Canada AD CF-2023-41. (i) Provisions for Alternative Actions and 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) and intervals are allowed unless they are approved as specified in the provisions of the "Corrective Actions" section of Transport Canada AD CF-2023-41. (j) Additional 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 it to the address identified in paragraph (k) of this AD or email to: [email protected]. If mailing information, also submit information by email. 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 For more information about this AD, contact Mark Taylor, Aviation Safety Engineer, FAA, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; phone 516-228-7300; email [email protected]. (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) Transport Canada AD CF-2023-41, dated June 15, 2023. (ii) [Reserved] (3) For Transport Canada AD CF-2023-41, contact Transport Canada, Transport Canada National Aircraft Certification, 159 Cleopatra Drive, Nepean, Ontario K1A 0N5, Canada; phone 888-663-3639; email [email protected]. You may find this Transport Canada AD on the Transport Canada website tc.canada.ca/en/aviation. (4) You may view this material 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 May 15, 2024. Victor Wicklund, Deputy Director, Compliance & Airworthiness Division, Aircraft Certification Service. [FR Doc. 2024-13016 Filed 6-13-24; 8:45 am]BILLING CODE 4910-13-P