The Federal Aviation Administration (FAA) said on Tuesday it was ordering immediate inspections of Boeing 777 planes with Pratt & Whitney PW4000 engines before further flights after an engine failed on a United flight on Saturday.
The engines are used on 128 older versions of the plane accounting for less than 10% of the more than 1,600 777s delivered and only a handful of airlines in the United States, South Korea and Japan were operating them recently.
Operators must conduct a thermal acoustic image inspection of the large titanium fan blades on each engine, the FAA said.
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— Reuters (@Reuters) February 24, 2021