Component Repair Business

In addition to the production of new components for aircraft engines the activities of Pratt&Whitney Rzeszów include MRO (Maintenance, Repair, Overhaul) services. Through these services damaged components are made fully airworthy again. The repair is carried out by a Component Repair Business (CRB), a repair station approved by the Aviation Regulatory Organization on the basis of Part 145. CRB specializes in the repair of components of category C7 main engines manufactured by Pratt & Whitney as well as the APU engines (Auxiliary Power Unit) manufactured by Pratt & Whitney Aero Power. The department’s capacity covers a wide range of standard repairs and specialized repairs, including the replacement of required 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)
• Resistance welding
• Brazing (vacuum and torch)
• Heat Treatment
• Thermal spraying (wire-arc and plasma)
• Laser (cutting, drilling)
• Cold work
• Abrasive blasting (grit blasting, bead peening)
• Galvanic and conversion coating
• Painting
• Flow tests (oil, air)
• Pressure tests
• Composite repairs

Quality control includes:

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

Metallographic laboratory evaluation