European regulators have pinpointed a potentially flawed cleaning process during maintenance as investigators probe an engine fire that caused a Cathay Pacific Airbus jet carrying 348 people to turn back to base.

An investigation by a Hong Kong aviation authority identified a fuel hose issue in a number of Airbus A350 aircraft operated by Cathay Pacific, ac

The engine defect in the Airbus A350 plane that led to the cancellation of dozens of Cathay Pacific flights in early September could have escalated into "extensive damage", according to