A new repair–replace strategy for items sold with a two-dimensional warranty
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For repairable items, the manufacturer has the option to either repair or replace a failed item that is returned under warranty. In this paper, we look at a new warranty servicing strategy for items sold with two-dimensional warranty where the failed item is replaced by a new one when it fails for the first time in a specified region of the warranty and all other failures are repaired minimally. The region is characterised by two parameters and we derive the optimal values for these to minimise the total expected warranty servicing cost. We compare the results with other repair–replace strategies reported in the literature.
Iskandar, B. P., Murthy, D. N. P. and Jack, N. 2005. A new repair–replace strategy for items sold with a two-dimensional warranty. Computers and Operations Research. 32(3) : pp.669-682. [Online] Available from : DOI: 10.1016/j.cor.2003.08.011