In the aerospace industry, aircraft MRO has become an essential component to ensure that fleets are airworthy and safe to transport passengers. Regular MRO helps to extend the life of airline fleet. MRO companies provide services, such as repairs, inspections, routine checks, and overhaul of aircraft. Factors, such as aircraft utilization, global fleet size, and air traffic volumes, help increase the demand for aircraft MRO. Based on the type of maintenance, the global narrow-body aircraft MRO market is classified into five segments: airframe, line, engine, component maintenance, and modifications.