Boeing Recommends Grounding Some 777s After In-Flight Emergency

A Pratt and Whitney PW 4000 engine malfunctioned over Denver, scattering debris but causing no injuries. Boeing reported 69 planes with this engine in service and 59 in storage, with many carriers temporarily grounding them. The FAA has mandated United Airlines to enhance aircraft inspections.

What type of engine was involved in the incident over Denver?

• Rolls-Royce Trent 1000

• Pratt and Whitney PW 4000

• General Electric GE90

• CFM International LEAP

How many planes with the same engine are currently in service according to Boeing?

• 69

• 89

• 79

• 59

What action did most airlines take regarding planes with the affected engine?

• Increased flight frequency

• Changed flight routes

• Reduced ticket prices

• Temporarily removed them from service

Which organization ordered United Airlines to enhance aircraft inspections?

• National Transportation Safety Board

• US Federal Aviation Administration

• European Union Aviation Safety Agency

• International Air Transport Association

Who reported the news about the FAA's directive to United Airlines?

• Sarah Johnson

• Johanna Grenway

• Michael O'Leary

• David Clark