Energia i regulacje · 14/03/1996

NRC Bulletin 96-01, Control Rod Insertion Problems Issuance of Bulletin

The Nuclear Regulatory Commission (NRC) has issued Bulletin 96-01 to alert holders of pressurized water reactor (PWR) licenses (except those licenses that have been amended to possession-only status) to several recent events in which control rods have failed to completely insert into the reactor core after receiving a scram signal, and assess the operability of control rods, particularly in high burnup fuel assemblies. It is expected that all PWR license holders will review the information for applicability to their facilities and consider actions, as appropriate, to avoid similar problems. However, action is only requested from PWR license holders of Westinghouse- designed plants. This bulletin is available in the NRC Public Document Room under accession number 9603120001. This bulletin is discussed in Commission information paper SECY-96-048 which is also available in the NRC Public Document Room.