FAA

FAA-2025-19392

Airworthiness Directives; The Boeing Company Airplanes

Autoridade

Federal Aviation Administration (EUA)

Data de Publicação

02 de outubro de 2025

Data Efetiva

06 de novembro de 2025

Prazo de Cumprimento

Antes do próximo voo

Resumo da Diretiva

PT-BRTradução automática

A FAA está adotando uma nova diretiva de aeronavegabilidade (DA) para todos os aviões das séries Boeing Company Model 737-600, -700, -700C, -800, -900 e -900ER. Esta DA foi motivada por um relato de desgaste inadequado do diâmetro interno dos cilindros externos do trem de pouso principal (TPP), resultando em possível dano térmico aos cilindros externos. Esta DA requer verificação de registros ou inspeção para determinar se um cilindro externo afetado está instalado e substituição de todos os cilindros externos afetados. A FAA está emitindo esta DA para tratar a condição insegura nesses produtos.

ENOriginal (Federal Register)

The FAA is adopting a new airworthiness directive (AD) for all The Boeing Company Model 737-600, -700, -700C, -800, -900, and -900ER series airplanes. This AD was prompted by a report of improper grinding of the inner diameter of the main landing gear (MLG) outer cylinders, resulting in possible heat damage to the outer cylinders. This AD requires a records check or inspection to determine if an affected outer cylinder is installed and replacing all affected outer cylinders. The FAA is issuing this AD to address the unsafe condition on these products.

Documentos e Referências

📄 PDF Original 🌐 Federal Register

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Texto Completo da Diretiva

Expandir texto completo (Federal Register)

Document Headings Document headings vary by document type but may contain the following: • the agency or agencies that issued and signed a document • the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to • the agency docket number / agency internal file number • the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Department of Transportation Federal Aviation Administration • 14 CFR Part 39 • [Docket No. FAA-2025-1358; Project Identifier AD-2025-00620-T; Amendment 39-23152; AD 2025-19-12] • RIN 2120-AA64 AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Final rule. SUMMARY: The FAA is adopting a new airworthiness directive (AD) for all The Boeing Company Model 737-600, -700, -700C, -800, -900, and -900ER series airplanes. This AD was prompted by a report of improper grinding of the inner diameter of the main landing gear (MLG) outer cylinders, resulting in possible heat damage to the outer cylinders. This AD requires a records check or inspection to determine if an affected outer cylinder is installed and replacing all affected outer cylinders. The FAA is issuing this AD to address the unsafe condition on these products. DATES: This AD is effective November 6, 2025. The Director of the Federal Register approved the incorporation by reference of a certain publication listed in this AD as of November 6, 2025. ADDRESSES: AD Docket: You may examine the AD docket at regulations.gov under Docket No. FAA-2025-1358; or in person at Docket Operations between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD docket contains this final rule, any comments received, and other information. The address for Docket Operations is U.S. Department of Transportation, Docket Operations, M-30, West Building Ground Floor, Room W12-140, 1200 New Jersey Avenue SE, Washington, DC 20590. Material Incorporated by Reference: • For Boeing material identified in this AD, contact Boeing Commercial Airplanes, Attention: Contractual & Data Services (C&DS), 2600 Westminster Blvd., MC 110-SK57, Seal Beach, CA 90740-5600; telephone 562-797-1717; websitemyboeingfleet.com. • 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. It is also available atregulations.gov under Docket No. FAA-2025-1358. ( printed page 47539) FOR FURTHER INFORMATION CONTACT: Stefanie Roesli, Aviation Safety Engineer, FAA, 2200 South 216th St., Des Moines, WA 98198; phone: 206-231-3964; email: stefanie.n.roesli@faa.gov. SUPPLEMENTARY INFORMATION: Background The FAA issued a notice of proposed rulemaking (NPRM) to amend 14 CFR part 39 by adding an AD that would apply to all The Boeing Company Model 737-600, -700, -700C, -800, -900, and -900ER series airplanes. The NPRM was published in the Federal Register on July 8, 2025 (90 FR 30027). The NPRM was prompted by a report of improper grinding of the inner diameter of the MLG outer cylinders, resulting in possible heat damage to the outer cylinders. In the NPRM, the FAA proposed to require a records check or inspection to determine if an affected outer cylinder is installed and replacing all affected outer cylinders. The FAA is issuing this AD to address heat damage to the MLG outer cylinders. The unsafe condition, if not addressed, could cause failure of a principal struct…

Fonte: Federal Register (federalregister.gov). Texto original em inglês.