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Forwards LERs 87-013-01,87-026-00 & 87-027-00.

Accession Number: ML20215L566

Date Released: Sunday, August 16, 2020

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• ML20215L561 - Forwards LERs 87-013-01,87-026-00 & 87-027-00. (1 page(s), 5/8/1987)
• ML20215L586 - LER 87-013-01:on 870303,07,12,24,25,unexpected RWCU containment isolations occurred.Caused by inaccurate differential flow indication at low RWCU flow & low reactor pressure conditions.Bias signal to flow summer changed. (4 page(s), 5/8/1987)
• ML20215L617 - LER 87-026-00:on 870411,unexpected RWCU containment isolation occurred.Caused by inaccurate differential flow indication at low RWCU flow & low reactor pressure conditions.Bias signal to flow summer changed. (3 page(s), 5/8/1987)
• ML20215L652 - LER 87-027-00:on 870413,manual fast reactor shutdown conducted following loss of condenser vacuum & rept of steam leak in turbine bldg.Caused by hole in 24-inch main steam drain manifold.Manifold replaced. (3 page(s), 5/8/1987)