Political Factor
European Aviation Safety Agency (EASA) is one of others aviation authorities in the worldwide who set the rules and regulations for airlines industry and jet engine providers to follow. EASA’s mission is to the highest common standards of safety and environmental protection in civil aviation in EU and worldwide. Therefore, for the jet engine industry, EASA is concerned in airworthiness and environmental concerned of aircraft and related products (EASA, 2011). As in 2010, EASA dropped emergency mandates to inspect Trent 900s engines after every 20 flights, moved to require