The European Union Aviation Safety Agency (EASA) has issued an airworthiness directive (AD 2023-0165) ordering all Trent 1000 engine operators – which are mainly installed on 787 aircraft – to inspect all low-pressure turbine (LPT) stage 1 blade assemblies following reports of “cracking and separation in the weld region on a small number of affected parts during engine running” that could lead to engine failure. EASA warns that “if a significant number of blade pairs in a blade set are separated, this could change the vibration characteristic of the LPT stage 1 bladed set and lead to the release of

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