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United Airlines Sends Engine Failure 777 To The Mojave Desert

Date: July 26, 2021

By Jake Hardiman, Simple Flying

You may remember that, in February this year, a United Airlines Boeing 777 suffered a spectacular engine failure over Denver. Until yesterday, the aircraft had been stored in Colorado since the incident that caused engine parts to rain down on the local suburbs. However, it has now taken to the skies once again, flying to Victorville in California’s Mojave Desert. It appears that this could be the end of the line for the plane.

Briefly back in the air

Following its involvement in an engine failure incident over Denver in February, a United Airlines Boeing 777-200 registered as N772UA returned to the skies yesterday. The aircraft, which data from ch-aviation.com shows is more than 26 years old, had previously been stored in Colorado since shedding engine parts after departing Denver.

United's Boeing 777-200 (N772UA), committed with an uncontained engine failure on 20 February, is currently en route to the aircraft boneyard in Victorville. 

Track #N772UA now:https://t.co/4DjhlgsDoU#United #DEN #VCV #RadarBox #Aviation pic.twitter.com/pQMMTodbl3

— RadarBox (@RadarBox24) July 15, 2021

According to RadarBox.com, N772UA lifted off from Denver for the first time since the incident at 08:39 local time yesterday. After five months of waiting, it was able to briefly stretch its legs once again on a flight to California that lasted an hour and 40 minutes.

However, this was not a passenger-carrying flight to Los Angeles or San Francisco. Indeed, the 100-minute trip, which touched down at 09:19 local time, saw the plane fly to Southern California Logistics Airport in Victorville, widely known as an aircraft graveyard.

This suggests that, given N772UA’s age, this could be the end of the line. Simple Flying has reached out to United for further information regarding the plane’s fate.

Consequences of the engine failure

N772UA’s potentially expedited retirement has not been the only consequence of its spectacular engine failure in Denver five months ago. Indeed, the incident impacted 777 usage worldwide, with engine manufacturer Pratt & Whitney recommending that examples with its PW4000 engines, which N772UA had when the failure occurred, were grounded.

The incident also had legal implications for United. The carrier received a class-action lawsuit from one of the passengers onboard the flight in question, who suffered emotional distress as a result of the engine failure. Their legal counsel argued that, had United inspected the affected engine’s fan blades more closely, the incident would not have occurred.

The fifth 777 ever built

As it happens, N772UA is a particularly historic example of Boeing’s famous ‘triple-seven’ family, having been just the fifth example ever built. United is known for having some of the world’s oldest remaining 777s in its fleet, and it actually has another three that are older than N772UA. However, ch-aviation’s data suggests that these aircraft are all in storage.

As for N772UA itself, this aging aircraft has spent its entire operational career with United, since joining the carrier in September 1995. As of December 2020, it had amassed 96,751 flight hours across 17,222 cycles, averaging around five-and-a-half hours per sector. On an annual basis, this works out at 3,702 hours (just over 10 a day) across 678 cycles a year.

As far as N772US’a seating configuration was concerned, the aircraft could accommodate 364 passengers in a three-class setup. This consisted of 234 seats in a 10-abreast economy class cabin, 102 in economy plus, and 28 in its ‘Polaris’ business class.

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