Pratt & Whitney is accelerating the introduction of a modified PW1100G high-pressure compressor seal based on an earlier production standard as part of plans to supply delivery-compliant engines to Airbus as soon as early March. The configuration change, the latest twist in the long-running saga of its embattled PW1100G geared turbofan, follows a series of failures that prompted the grounding of some A320neos and Airbus’ February suspension of deliveries. The revisions should ...

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