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by Charlotte Adams


Industrial processes are like bodies—they get flabby with age. Lean is like a trainer for these processes. It finds the flab and makes the process more effective by decreasing turn-around time (TAT) or work in progress (WIP), while improving quality, financial performance and other metrics.


ccording to the


AFI KLM Engineering & Maintenance (E&M) engine maintenance team, Lean keeps customers satisfied and attracts new ones because it reduces TATs, inventories and hourly rates and increases quality. The MRO estimates annual savings from Lean engine maintenance at approximately 2 percent of total costs. Lufthansa Technik (LHT) estimates overall Lean savings at several million euros a year, according to Christian Langer, head of Lean activities for the LHT Group. Aircraft engines are the ultimate challenge. They


are extremely complex, sensitive and expensive. All the more reason to apply Lean to them, says Hooman Rezaei, president of the International Aircraft Engine Association. Engine manufacturers and MROs call their optimization techniques different names, but basic


Aviation Maintenance | avm-mag.com | June / July 2012 25


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