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AD FAA-2024-2668

Airworthiness Directives; CFM International, S.A. Engines

Resumo

The FAA is superseding Airworthiness Directive (AD) 2023-09- 06, which applied to all CFM International, S.A. Model (CFM) LEAP-1A23, LEAP-1A24, LEAP-1A24E1, LEAP-1A26, LEAP-1A26CJ, LEAP-1A26E1, LEAP-1A29, LEAP-1A29CJ, LEAP-1A30, LEAP-1A32, LEAP-1A33, LEAP-1A33B2, and LEAP- 1A35A (LEAP-1A) engines. AD 2023-09-06 required replacement of certain high-pressure turbine (HPT) rotor stage 1 disks (HPT stage 1 disks), forward outer seals, and compressor rotor stages 6-10 spools. AD 2023- 09-06 also prohibited installation of an HPT stage 1 disk, forward outer seal, or compressor rotor stages 6-10 spool that has a part number and serial number identified in the service information onto any engine. Since the FAA issued AD 2023-09-06, the manufacturer identified additional affected parts that were manufactured from material suspected to have reduced material properties due to iron inclusion, which prompted this AD. This AD retains the requirements to replace certain HPT stage 1 disks, forward outer seals, and compressor rotor stages 6-10 spools and expands the applicability to include additional affected parts manufactured from the same material suspected to have reduced material properties due to iron inclusion. The FAA is issuing this AD to address the unsafe condition on these products.

Detalhes da diretiva

Número da AD

FAA-2024-2668

Número do documento

2025-11340

Tipo

Rule

Data de publicação

June 20, 2025

Data de vigência

July 25, 2025

Fabricante afetado

CFM International, S.A.

Criticidade

routine

Emergência

Não

Docket ID

Docket No. FAA-2024-2668

Tópicos

Air transportationAircraftAviation safetyIncorporation by referenceSafety

Documentos oficiais

Ver todas as ADs de CFM International, S.A. →

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