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Forwards LERs 79-063/03L-0,79-065/03L-0 & 79-066/03L-0.

Accession Number: ML19208A735

Date Released: Saturday, August 10, 2019

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• ML19208A734 - Forwards LERs 79-063/03L-0,79-065/03L-0 & 79-066/03L-0. (1 page(s), 8/31/1979)
• ML19208A739 - LER 79-063/03L-0:on 790806,containment atmosphere sample reactor bldg penetration outside isolation valve 2SV-8263-2 would not indicate closed during stroke test.Caused by limit switch being out of adjustment.Limit adjusted. (1 page(s), 8/31/1979)
• ML19208A750 - LER 79-065/03L-0:on 790809,battery charger 2D31 failed, rendering dc bus A inoperable.Caused by dc output lamp socket burning up due to higher voltage & increased resistance in circuit.Unit cleaned. (1 page(s), 8/31/1979)
• ML19208A757 - LER 79-066/03L-0:on 790809,containment isolation valve 2CV-2201-2 would not fully close after routine draining of reactor drain tank.Caused by foreign matl damaging seats & ball,resulting in valve leaking through.Valve cleaned. (1 page(s), 8/31/1979)