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Forwards LERs 91-018-01,92-005-00 & 92-007-00.

Accession Number: ML20095H580

Date Released: Saturday, April 18, 2020

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• ML20095H574 - Forwards LERs 91-018-01,92-005-00 & 92-007-00. (1 page(s), 4/24/1992)
• ML20095H581 - LER 91-018-01:on 911006,control rod 46-23 exceeded max scram time to position 43 & max scram insertion time to position 43.Caused by contaminated valve disc & seats.Valves replaced w/new valves from two other lots. (5 page(s), 4/16/1992)
• ML20095H585 - LER 92-005-00:between 920326-0408,three containment penetrations exceeded local leak rate test failure criteria for leakage.Caused by faulty torque switch.Switch replaced & adjusted per plant procedures. (5 page(s), 4/24/1992)
• ML20095H587 - LER 92-007-00:on 920331 & 0406,full scram signals received from combination of half-scram inserted for planned maint & half-scram signal from spiking LPRM.Caused by bumping LPRM cable.Design change to upgrade cables under review. (4 page(s), 4/24/1992)