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GE90-110B/-115B: Powering the stretched Boeing 777

The GE90 Growth, which includes the GE90-110B and GE90-115B versions, is one of the largest and most powerful engines in the world. Developed exclusively for the current models of the Boeing 777 family—the 777-200LR (Long Range), the 777-300ER (Extended Range), and the 777-200F (Freighter)—these engines are characterized by a thrust of up to 115,000 pounds.
 

MTU’s involvement in the GE90

MTU Maintenance Hannover plays a key role in the maintenance of these engines. As one of the world’s first maintenance companies with a license for the repair and overhaul of the GE90 Growth, MTU Maintenance Hannover has been offering a comprehensive range of services for over a decade.

Overview of maintenance capabilities

  • Customer-focused, tailored service packages and custom repair solutions
  • Maintenance, repair, and overhaul
  • MTU Shop Handling Guide with customer-specific appendices as the basis for customer-oriented and application-optimized workscoping
  • Development and implementation of innovative high-tech repair processes
  • Comprehensive on-wing support and on-site maintenance
  • AOG support
  • Highly flexible and powerful engine trend monitoring
  • Provision of lease engines

Facts

  • EIS: 2004 (GE90-115B)
  • The GE90 is a two-shaft turbofan engine with maximum power of 115,000 lbf
  • Aerodynamically optimized fan blades in composite materials with titanium leading edges
  • Four-stage low-pressure compressor
  • Nine-stage high-pressure compressor
  • Two-stage high-pressure turbine
  • Six-stage low-pressure turbine

MTU competencies

  • Maintenance at MTU Maintenance Hannover as well as on-site service activities

    Start year MRO: 2010
    Shop visits (2023): > 150 
    Workscope: Engine MRO

Applications

  • Boeing 777-200LR
  • Boeing 777-300ER
  • Boeing 777 Freighter

Technical Data

 GE90-115B
Max. thrust115,000 lbf
Bypass ratio9:1
Pressure ratio42:1
Length (installable spare)29.9 ft
Fan diameter10.5 ft
Dry weight18,260 lbs

Sales Contact

Andreas Kalina
Europe & Africa
Phone: +49 511 7806-2533
Andreas.Kalina@mtu.de
Phone: +49 511 7806-2533
Andreas.Kalina@mtu.de
Christoph Heck
South and North America
Phone: +49 511 7806-2621
Christoph.Heck@mtu.de
Phone: +49 511 7806-2621
Christoph.Heck@mtu.de
Jan Steenbock
Far East
Phone: +49 511 7806-4221
Jan.Steenbock@mtu.de
Phone: +49 511 7806-4221
Jan.Steenbock@mtu.de
Sami Ben-Kraiem
Middle East & Southeast Asia
Phone: +49 511 7806-4465
sami.ben-kraiem@mtu.de
Phone: +49 511 7806-4465
sami.ben-kraiem@mtu.de
AOG Hotline
Phone: +49 171 431 4333
Phone: +49 171 431 4333

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