The RSK discussed the indication on the thermal sleeve identified during refuelling outage 2010 in the Grafenrheinfeld nuclear power plant (KKG). Corresponding reports were presented in the RSK Committee on PRESSURE-RETAINING COMPONENTS AND MATERIALS (DKW) the day before the meeting. The statement on the "Evaluation of the three-pillar concept for testing of safety-relevant valves" (in German) was adopted, the consultation on the statement on leakages from steam generator tubes to be postulated.