This report discusses the growing demand for aircraft and the expansion of the global MRO market, driven by the expected doubling of the number of aircraft in service by 2034. The aftermarket provides critical services such as engine, components, and base maintenance, with engine maintenance accounting for around 40% of total maintenance costs. The report also notes the aggressive forays by engine and airframe OEMs into the aftermarket, which is reshaping the sector and forcing traditional aftermarket service providers to re-evaluate their value propositions. The report proposes a framework for MRO service providers to evaluate how to deliver value in a transformed aftermarket environment.