Airbus parent EADS on Thursday reported a sharp drop in second-quarter earnings, hit by a 500 million euro ($690.5 million) charge on the redesign of the airliner it is building to rival Boeing's 787.

European aerospace group EADS said second-quarter earnings before interest and tax fell to 278 million euros from 863 million a year earlier. Quarterly sales fell 4% to 9.509 billion euros and net profit fell 85% to 81 million.