Shares of Computer Sciences (NYSE:CSC) are trading 2.4% lower after it preannounced expectations for FQ4 revenues of $4.1 billion and EPS of $0.19 – $0.21.Analysts, on average were expecting EPS of $0.97 on sales of $4.11 billion.The company cited the detrimental impact of CSC’s still unresolved services deal with the UK’s National Health Service.Free cash flow is expected to total about $225 million – $275 million.