United Airlines says it is grounding 24 of its Boeing 777 aircraft after one of its jets suffered engine failure after take-off on Saturday.
The plane, carrying 231 passengers and 10 crew, was forced to return to Denver airport. No injuries were reported.
Debris from the jet was found scattered over a nearby residential area.
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In response to the incident, Japan has asked all airlines using Boeing 777s with the same Pratt & Whitney 4000 engine to avoid its airspace.
United Flight 328, bound for Honolulu, suffered a failure in its right-hand engine, the Federal Aviation Administration (FAA) said.
The agency has ordered extra inspections of Boeing 777 jets fitted with the Pratt & Whitney 4000 engine following the incident.
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