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Airworthiness Directives; International Aero Engines AG (IAE) V2500-A5/-D5 Series Turbofan Engines
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Samenvatting
This document proposes the adoption of a new airworthiness directive (AD) that is applicable to International Aero Engines AG (IAE) V2500-A5/-D5 series turbofan engines. This proposal would require removal from service of certain high pressure compressor (HPC) stage 9- 12 drums prior to reaching the new reduced cyclic life limits, and replacement with serviceable parts. This proposal is prompted by the reduction of the life limit for certain IAE V2500 HPC stage 9-12 drums due to higher stresses in this part than originally predicted. The actions specified by the proposed AD are intended to prevent HPC stage 9-12 drum failure, which could result in an uncontained engine failure and damage to the aircraft.