2026-08-02: Stabilizers

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) 2025-22-02, Amendment 39-23180 (90 FR 49251, November 5, 2025); and b. Adding the following new AD: 2026-08-02 MHI RJ Aviation ULC (Type Certificate Previously Held by Bombardier, Inc.): Amendment 39-23310; Docket No. FAA-2026-0728; Project Identifier MCAI-2025-01823-T. (a) Effective Date This airworthiness directive (AD) is effective May 26, 2026. (b) Affected ADs This AD replaces AD 2025-22-02, Amendment 39-23180 (90 FR 49251, November 5, 2025) (AD 2025-22-02). (c) Applicability This AD applies to 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, as identified in Transport Canada AD CF-2025-38, effective August 19, 2025 (Transport Canada AD CF-2025-38). (d) Subject Air Transport Association (ATA) of America Code 55, Stabilizers. (e) Unsafe Condition This AD was prompted by reports of loose and missing bolts on the horizontal stabilizer anti-yaw steady fitting block. The FAA is issuing this AD to address loose or missing bolts on the anti-yaw steady fitting block, which, when combined with a bird strike or gust loading, may result in loss of the horizontal stabilizer and consequent loss of control 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-2025-38. (h) Exception to Transport Canada AD CF-2025-38 (1) Where Transport Canada AD CF-2025-38 refers to its effective date, this AD requires using November 20, 2025 (the effective date of AD 2025-22-02). (2) Where Transport Canada AD CF-2025-38 refers to hours air time, this AD requires using flight hours. (3) Where Transport Canada AD CF-2025-38 refers to the effective date of Transport Canada AD CF-2024-24 (July 4, 2024), this AD requires using the effective date of this AD. (4) Where paragraph B. of Transport Canada AD CF-2025-38 specifies to repeat the torque check "every 2200 hours air time from the previous inspection", for this AD, replace that text with "at intervals not to exceed 2,200 flight hours". (i) 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, send it to the attention of the person identified in paragraph (j) of this AD and email to: AMOC@faa.gov . 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. (j) Additional Information For more information about this AD, contact Fatin Saumik, Aviation Safety Engineer, FAA, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; phone: 516-228-7300; email: 9-avs-nyaco-cos@faa.gov. (k) 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 this AD specifies otherwise. (3) The following material was approved for IBR on November 20, 2025 (90 FR 49251, November 5, 2025). (i) Transport Canada AD CF-2025-38, effective August 19, 2025. (ii) [Reserved] (4) For Transport Canada material identified in this AD, contact Transport Canada, Transport Canada National Aircraft Certification, 159 Cleopatra Drive, Nepean, Ontario K1A 0N5, Canada; telephone 888-663-3639; email TC.AirworthinessDirectives-Consignesdenavigabilite.TC@tc.gc.ca. You may find this material on the Transport Canada website at tc.canada.ca/en/aviation. (5) You may view this material at the FAA, Airworthiness Products Section, Operational Safety Branch, 2200 South 216th St., Des Moines, WA. For information on the availability of this material at the FAA, call 206-231-3195. (6) 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 April 16, 2026. Steven W. Thompson, Acting Deputy Director, Compliance & Airworthiness Division, Aircraft Certification Service. [FR Doc. 2026-07736 Filed 4-20-26; 8:45 am]BILLING CODE 4910-13-P