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Forwards LER#78-012/03L-0,#78-013/01T-0,#78-014/01T-0 & #78-015/01L-0.

Accession Number: ML20064E951

Date Released: Wednesday, March 18, 2020

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• ML20064E949 - Forwards LER#78-012/03L-0,#78-013/01T-0,#78-014/01T-0 & #78-015/01L-0. (1 page(s), 11/20/1978)
• ML20064E956 - LER#78-012/03L-0 on 781107:during Post-Core Hot Functional Testing "B" condensate storage tank dropped below Tech Spec minimum.Caused by inability of makeup plants to produce high demand for condensate. (1 page(s), 11/20/1978)
• ML20064E958 - LER#78-013/01T-0 on 781107:received notice that speed switch made by Dynalog Corp had design problem that could cause failure.Speed switch replaced. (4 page(s), 11/20/1978)
• ML20064E961 - LER#78-014/01T-0 on 781107:during Mode 3 oper,noted that first cycle Plant Protec Sys setpoint changes req by Rosemont pressure transmitter substitution were less than conservative.Caused by failure to change setpoint. (4 page(s), 11/20/1978)
• ML20064E972 - LER#78-015/01T-0 on 781108:technician installed replacement speed switch in "B" emergency diesel generator w/o having Job Order approved by shift supervisor.Due to forgetfulness of instru technician. (1 page(s), 11/20/1978)