To date, more V2500 engines have been built than almost any other engine for short- and medium-haul aircraft in aviation history. The V2500 powers commercial aircraft including the Airbus A319, A320 and A321 as well as the MD-90. It recently acquired a military application, too, powering the Embraer KC-390 transporter. The engine is manufactured under the umbrella of International Aero Engines, a consortium comprising MTU Aero Engines, Pratt & Whitney and Japanese Aero Engines Corporation.
MTU has a program share of 16 percent, of which the turbine disks for the low-pressure turbine are a part. To ensure that the turbine disks manufactured by MTU in Munich are of sufficient quality to be delivered to the customer, they undergo elaborate quality inspections that are planned to the last detail. The following is the detailed plan and defined inspection process for low-pressure turbine disks: