FAA Issues Pratt-powered 777 Service Return Mandates

United Airlines 777-200
Airframe damage from a February 2021 PW4000 engine failure on a United Airlines 777-200 prompted regulators to ground the fleet and reexamine certification standards.
Credit: NTSB
The FAA in late December issued draft rules that detail return-to-service requirements for Pratt & Whitney-powered Boeing 777s grounded for nearly a year, adopting Boeing-recommended nacelle modifications and new Pratt-developed fan blade inspection protocols. The three draft airworthiness...

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