“…The possibility to either expedite repair or prioritize the scheduling of repairs in the repair shop has been considered many times, mostly under the assumption of fixed given turn-around stock levels (Hausman and Scudder, 1982;Scudder, 1986;Scudder and Chua, 1987;Pyke, 1990;Tiemessen and Van Houtum, 2012;Liang et al, 2013). In these contributions, the repair shop is modeled by a finite server queue.…”