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Information Notice No. 79-15, Deficient Procedures

… No. 79-15 2. Draft Transmittal Letter CONTACT: J. C. Stone, IE 49-28019 . (Transmittal letter for Information … of IE Information Notices Issued in 1979 . UNITED STATES NUCLEAR REGULATORY COMMISSION OFFICE OF INSPECTION AND … No. 79-15 DEFICIENT PROCEDURES Summary On June 2, 1979, at Arkansas Nuclear One - Unit 1, while observing conditions in …

IE Circular No. 80-04, Securing of Threaded Locking Devices on Safety-Related Equipment

… Locking Devices on Safety-Related Equipment … UNITED STATES NUCLEAR REGULATORY COMMISSION OFFICE OF INSPECTION AND … the inoperability of two service water system valves and one component cooling water system valve. The valves were … Pressure Safety Injection (HPSI) header shut-off valve at Arkansas Nuclear One, Unit 2, (ANO-2) the threaded bushing …