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Forwards LER#78-030/03L-0,#78-031/03L-0,#78-032/03L-0, #78-033/03L-0.
Accession Number: ML18113A601
Date Released: Monday, December 10, 2018
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- ML18113A600 - Forwards LER#78-030/03L-0,#78-031/03L-0,#78-032/03L-0, #78-033/03L-0. (1 page(s), 11/6/1978)
- ML18113A602 - LER#78-030/03L-0 on 781009:w/unit at rated pwr,Charging Pump Component Cooling Water Pump "B"tripped.Pump tripped on overcurrent.Caused by corrosion damage to motor bearings. Pump & motor rebuilt & reinstalled. (2 page(s), 11/9/1978)
- ML18113A603 - LER#78-031/03L-0 on 781011:Channel I Pressurizer Level (Protec),L-I-459,drifted high.Event caused by drift of electronic zero adjustment in conjunction w/leakage thru transmitter's bypass/equalizing valve.Valve tightened. (2 page(s), 11/6/1978)
- ML18113A604 - LER#78-032/03L-0 on 781011:heat tracing circuit faults had occurred as a result of boric acid incursion.Faults repaired & circuit current verified. (3 page(s), 11/6/1978)
- ML18113A605 - LER#78-033/03L-0 on 781015:heat tracing circuit failed. Caused by old boric acid buildup & penetration of heat leakage. (2 page(s), 11/6/1978)