Maintenance, repair, and overhaul (MRO) services in aviation are essential to ensure the safety and reliability of the aircraft and its components. It involves cleaning, inspection, repair, modification, or replacement of components to maintain the airworthiness of the aircraft. It is highly regulated with standards set by aviation bodies like the Federal Aviation Administration (FAA) and European Aviation Safety Agency (EASA).

   Regular maintenance is mandatory in preventing failures. Scheduled or planned maintenance is defined by the original equipment manufacturer (OEM) based on the flight hours or flight cycles. However in-flight events can demand unscheduled or unplanned maintenance which forces aircraft on ground (AOG) and is a cost multiplier to the airlines.   

    Maintenance typically costs 10- 15 per cent of the total airline operational costs which includes line, airframe, engine, and component....