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Leaning Out Time in Engine Shops
HEAVY ENGINE OVERHAULS CAN COST from hundreds of thousands to several million dollars depending upon engine and workscope. The major cost elements are time off-wingsince spare engines must be bought or leasedparts, labor and overhead, including interest on inventory. Part costs can be controlled by smart acquisition or workscoping. The other elements are reduced chiefly by getting engines overhauled faster with more efficient processes and fewer errors. Through Lean and other techniques, engine shops are pursuing these goals aggressively.