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Component Repair Business

Repair of engine components


Besides production of new components for aircraft engines Pratt & Whitney Rzeszow S.A. provides MRO (Maintenance, Repair, Overhaul) services to restore full airworthiness of the components. Repair of components is carried out by Part 145 approved repair station CRB (Component Repair Business). CRB specializes in the repair of components of category C7 main engines PT6 manufactured by Pratt & Whitney Canada and the APU (Auxiliary Power Unit) manufactured by Pratt & Whitney Aero Power. The capability covers wide range of standard repairs and specialized repairs, including the replacement of sections and/or elements.


In the repair process are used the following technologies:

  • Chemical cleaning processes (removal of carbon deposits, corrosion, paint and thermally sprayed coatings)
  • Machining (manual and CNC)
    • Turning
    • Milling
    • Grinding
    • Drilling
  • EDM
  • Welding (manual and automatic)
  • Seam welding
  • Brazing (vacuum and torch)
  • Heat Treatment
  • Thermal spraying (wire-arc and plasma)
  • Laser (cutting, drilling)
  • Cold work
  • Abrasive blasting (grit blasting, bead peening)
  • Painting
  • Flow tests (oil, air)
  • Pressure tests

Quality control includes:

  • Dimensional inspection including CMM
  • Fluorescent penetrant inspection - Level III
  • X-ray inspection
  • Metallographic laboratory evaluation


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