Some jet engines must replace key parts after manufacturing flaws were found

The US aviation regulator proposes a new rule requiring specific jet engine parts to be removed and replaced. This is because a manufacturer found quality control problems with certain high-pressure turbine hubs.

When a manufacturer finds a flaw in a critical aircraft part, regulators step in to make sure all affected parts are replaced. This proposed rule means airlines operating these specific International Aero Engines models will have to ground planes to perform the replacements. It is a routine but essential safety measure that keeps planes flying reliably.