British Airways A320 G-EUUC, which has been under maintenance at Madrid since 10th February, positioned Madrid – Valenca as BA9253 this afternoon in order to operate the delayed BA2795 Valencia – London Gatwick. The aircraft then positioned London Gatwick – London Heathrow as BA9250. The aircraft had been scheduled to route Madrid – London Heathrow but re-routed following an A320 technical issue at Valencia.