Thursday 's incident began shortly after takeoff when the flight carrying 440 passengers and 26 crew members to Sydney , Australia , was forced to return to Singapore 's Changi Airport . `` Slight anomalies '' found in Airbus aircraft 's Rolls-Royce engines . * Safety is top priority , Qantas CEO Alan Joyce says .
`` Slight anomalies '' found in Airbus aircraft 's Rolls-Royce engines . * Safety is top priority , Qantas CEO Alan Joyce says .