2026-16-04: 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: 2026-16-04 Airbus Helicopters: Amendment 39-23434; Docket No. FAA-2026-3880; Project Identifier MCAI-2025-01428-R. (a) Effective Date This airworthiness directive (AD) is effective September 17, 2026. (b) Affected ADs None. (c) Applicability This AD applies to all Airbus Helicopters Model EC 155 B and EC 155 B1 helicopters, certificated in any category. (d) Subject Air Transport Association (ATA) of America Code 05, Time Limits/Maintenance Checks. (e) Unsafe Condition This AD was prompted by new or more restrictive airworthiness limitations. The FAA is issuing this AD to prevent failure of certain parts and primary structural components, which if not addressed, could result in loss of control of the helicopter. (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, comply with all required actions and compliance times specified in, and in accordance with European Union Aviation Safety Agency AD 2025-0191, dated September 4, 2025 (EASA AD 2025-0191). (h) Exceptions to EASA AD 2025-0191 (1) Where EASA AD 2025-0191 refers to its effective date, this AD requires using the effective date of this AD. (2) This AD does not adopt paragraphs (1), (2), (4) and (5) of EASA AD 2025-0191. (3) Where paragraph (3) of EASA AD 2025-0191 specifies "Within 12 months after the effective date of this AD, revise the approved AMP", this AD requires replacing that text with "Within 30 days after the effective date of this AD, revise the airworthiness limitations section of the existing maintenance manual or instructions for continued airworthiness and the existing approved maintenance or inspection program, as applicable". (4) The initial compliance time for doing the tasks specified in paragraph (3) of EASA AD 2025-0191 is on or before the applicable "limitations" and "associated thresholds" as incorporated by the requirements of paragraph (3) of EASA AD 2025-0191 or within 30 days after the effective date of this AD, whichever occurs later. (5) This AD does not adopt the "Remarks" section of EASA AD 2025-0191. (i) Provisions for Alternative Actions and Intervals After revising the airworthiness limitations section of the existing maintenance manual or instructions for continued airworthiness and the existing approved maintenance or inspection program as required by paragraph (g) of this AD, no alternative actions ( e.g., inspections) and associated thresholds and intervals, including life limits, are allowed unless they are approved as specified in the provisions of the Ref. Publications section of EASA AD 2025-0191. (j) Alternative Methods of Compliance (AMOCs) (1) 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 local Flight Standards District 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 (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 Zakaria Abdi, Aviation Safety Engineer, FAA, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; phone: (316) 946-4141; email: zakaria.f.abdi@faa.gov. (l) Material Incorporated by Reference (1) The Director of the Federal Register approved the incorporation by reference 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 2025-0191, dated September 4, 2025. (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 the EASA material on the EASA website at ad.easa.europa.eu. (4) You may view this material at the FAA, Airworthiness Products Section, Operational Safety Branch, 10101 Hillwood Parkway, Fort Worth, TX 76177. 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 July 30, 2026. Steven W. Thompson, Acting Deputy Director, Compliance & Airworthiness Division, Aircraft Certification Service. [FR Doc. 2026-16506 Filed 8-12-26; 8:45 am]BILLING CODE 4910-13-P