Safety

Design and inspection problems preceded 2021 PW4000 failure as nine more cracked blades found: NTSB

By 2023-09-08T22:38:00

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Source: National Transportation Safety Board

The National Transportation Safety Board (NTSB) has blamed the 2021 uncontained failure of Pratt & Whitey PW4077 turbofan on engine design and testing failures and on inadequate fan blade inspections.

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