Remarks: A Srilankan Airlines Airbus A330-200, registration 4R-ALA performing flight UL-564 from Paris Charles de Gaulle (France) to Colombo (Sri Lanka), was enroute at FL350 over Lake Konstanz about 35nm east of Zurich (Switzerland) when the crew requested to return to Paris Charles de Gaulle due to a hydraulic problem, no assistance was needed. The aircraft landed safely on Charles de Gaulle's runway 27L about 65 minutes later.
Source:Aviation Herald