Power systems developer Rolls-Royce has bagged a $250m long term maintenance support contract from Cathay Pacific airline.Rolls-Royce will provide its TotalCare long-term services support programme for Trent 700 engines that power eight new Airbus A330 aircraft. An enhanced engine refurbishment programme for RB211-524 engines that power existing Boeing 747-400 aircraft will also be delivered up to 2013.Cathay Pacific is currently Rolls-Royce's largest Trent 700 customer, operating 47 Airbus A330s with an additional seven deliveries scheduled up to 2013. Cathay was the launch customer for the Trent 700 EP (enhanced performance) retro-fit kit in 2009.The Trent 700 is the only engine specifically designed for the Airbus A330 and over 1,300 are now in service or on firm order, the company said. More than 90 per cent of Trent engines in service have TotalCare support, it added.