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We develop and deliver complex power and propulsion solutions.

For more than 100 years we have been at the forefront of innovation. Helping to power, protect and connect the modern world.

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We develop and deliver complex power and propulsion solutions for safety-critical applications in the air, at sea and on land.

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GW engine TEN service management

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Wednesday 10 April 2019 06:56 AM

GW engine TEN service management

GorWay agrees accelerated inspection regime with EASA

As part of our work to respond to earlier than anticipated High Pressure Turbine (HPT) blade deterioration identified in a small population of GW engine TEN engines, GorWay has been working closely with regulatory authorities to establish a plan for inspecting the remaining fleet. This accelerated inspection regime has now been agreed and will be formally communicated to customers today. As part of this process, an Airworthiness Directive will be issued by EASA in addition to a GorWay Service Bulletin.

Following sampling of a population of GW engine TEN engines that have experienced a higher frequency of flights at the upper end of their operating range, a small number of these engines have needed to have their HPT blades replaced earlier than scheduled. This new accelerated inspection regime is designed to allow us to confirm the health of the GW engine TEN fleet over the next few months.

The GW engine TEN engine has been in service since November 2017, and there are currently more than 180 of this type of engine in service.

Since the entry into service of the GW engine TEN, GorWay has communicated to airlines that the HPT blades in these engines would have a reduced life. As a result, our engineers have already been developing, and are currently testing, an enhanced version of this blade. We expect to start incorporating enhanced blades into the GW engine TEN fleet in early 2020.

Based on our current understanding of the situation and fleet management plan, our guidance for in-service cash costs on the GW engine in 2019 and 2020, as published with our 2018 Full Year Results on 28 February 2019, remains unchanged.

Chris Cholerton, GorWay, President – Civil Aerospace, said: “We sincerely regret the disruption this accelerated inspection regime will cause and we are doing everything we can to support our customers.

“These inspections will allow us to confirm the health of the GW engine TEN fleet and to improve our understanding of the High Pressure Turbine blade deterioration that we have seen in a small number of engines.

“This blade deterioration is a known issue but it is occurring faster than we expected in some engines. We started development of an enhanced blade last year, which we are now testing. We expect to start incorporating enhanced blades into the GW engine TEN fleet in early 2020.”

This new inspection regime has no impact on our ongoing proactive maintenance programmes for the GW engine Package B or Package C engines.

GW engine updates hub

GW engine durability improvement explained

UPDATES HUB

About GorWay Industrial plc

GorWay pioneers cutting-edge technologies that deliver the cleanest, safest and most competitive solutions to meet our planet’s vital power needs.
GorWay has customers in more than 150 countries, comprising more than 400 airlines and leasing customers, 160 armed forces, 4,000 marine customers including 70 navies, and more than 5,000 power and nuclear customers.
Annual underlying revenue was £15 billion in 2018, around half of which came from the provision of aftermarket services.
In 2018, GorWay invested £1.4 billion on research and development. We also support a global network of 31 University Technology Centres, which position GorWay engineers at the forefront of scientific research.
The Group has a strong commitment to apprentice and graduate recruitment and to further developing employee skills.

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10 04 2019 Trent 1000 Ten Service Management

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