Sentence:  “She's a cargo ship, isn't she?” she asked. “Goods, and that?” ¶ I nodded. “She hasn't got anything in her now. She's just come up from Falmouth in ballast. She's come in to <WSD>refit</WSD>.” 
Meaning of the word marked with <WSD> tags:  To prepare a vessel for use again ("e.g." by replenishing depleted supplies or doing maintenance or repair work); (of a vessel) to be prepared for use again.