Implementation of lean six sigma Techniques for cost optimization of Aero engine repair and maintenance

Abstract

Nowadays the survival of companies mainly depends on their newlineability to swiftly evolve and develop new ideas so that they can compete in newlineever changing and competitive markets There is enormous need for searching newlinenew methods and processes to improve the quality and productivity at newlinereduced production and maintenance cost In this dynamic environment the newlineairlines try to stay competitive by responding to these changes quickly while newlinekeeping their daily operations running as smoothly as possible The Airline newlineIndustries are vulnerable to global economy There are many potential factors newlinethat hinder the growth of the airline industry The predominant one is Direct newlineOperating Cost DOC It escalates everyday due to increase in fuel cost newlinelabor cost taxes and depreciating money value etc The cost of maintenance is newline12 of DOC Roughly it varies from 515 to 1700 per flight hour for twin newlineengine or four engine wide body aircraft The cost of maintenance includes all newlinecost from airframe maintenance to component maintenance and also from newlinelabour cost to material cost The airliners spend around 100 billion dollars newlineevery year for servicing and maintaining aircraft and its systems in airworthy newlinestate As it is a huge expenditure it reflects how much efforts are needed for newlinecontrolling the cost of maintenance and servicing The unscheduled grounding newlineof aircraft or its components due to unexpected breakdown of aircraft systems newlineor components is one such major reason for increase in maintenance cost newlineBecause of such events there are so many wastages in manpower machine newlineand materials newline newline