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 Issue dateTitleTopic
ML20044H06726 May 1993Ro:On 930428,inadvertent Mod to Reactor Console Resulted in Operation of Reactor for Period of About Five & One Half H W/Several Protective Scrams,Per TS Not Operable.Minor & temporary,non-safety Sys Related Changes RecommendedTemporary Modification
ML20044D73112 May 1993Fourteen-Day Rept of Reportable Event Re Inadvertent Mod of Univ of Virginia Reactor Console.Shutdown Margin
High Radiation Area
Probabilistic Risk Assessment
ML20024C04630 June 1983Updated RO Re 830525 Low Shutdown Margin During Criticality. Initially Reported on 830609.Caused by Change in Control Rod Reactivity Worth Curves Due to Fuel Burnup.Procedures for Shutdown Margin & Reactivity Worth Determination RewrittenShutdown Margin
ML19341B20627 January 1981Ro:On 810119,during Routine Core Visual Examination,Small Air Bubble Discovered on Top of Fuel Element in Grid Plate Position 43.Operator Lifted Source,Which Became Lodged Under Fuel Element Handling Bar.Caused by Personnel Error