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Forwards LERs 79-115/03L-0,79-117/03L-0,79-118/03L-0 & 79-119/03L-0.
Accession Number: ML19209C617
Date Released: Sunday, August 11, 2019
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- ML19209C616 - Forwards LERs 79-115/03L-0,79-117/03L-0,79-118/03L-0 & 79-119/03L-0. (1 page(s), 10/12/1979)
- ML19209C618 - LER 79-115/03L-0:on 790913,loop B steam indicator read lower than redundant indicator.Caused by leaking of transmitter root valves resulting in loss of ref leg level.Steam flow channel tripped & loop calibr. (2 page(s), 10/12/1979)
- ML19209C619 - LER 79-117/03L-0:on 790913,excessive steam observed leaking past seat of trip valve TV-MS111A.Caused by valve not fully seating.Seating surfaces were cleaned & gaskets replaced. (2 page(s), 10/12/1979)
- ML19209C620 - LER 79-118/03L-0:on 790914,temp of steam generator B support fell below Tech Spec limit.Caused by personnel error while operating support heaters manually.Heaters energized to increase temp. (2 page(s), 10/12/1979)
- ML19209C621 - LER 79-119/03L-0:on 790914,high steam line differential pressure loop 2 channel II bistable failed to trip during surveillance test.Caused by loose lead on signal comparator card.Card replaced & new one calibr. (2 page(s), 10/12/1979)