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 Issue dateTitleTopic
ML20211C79518 September 1997Ro:On 970916,reactor Staff Discovered That Intrusion Alarm Sys Was Not Tested for Operability During First Calendar Wk of Sept.Caused by Other Members Being on Leave or Alternate Duty.All Sys Tests Were Properly Documented
ML20096C53511 January 1996Ro:On 960104,Shim-2 Control Rod Stopped at 917 Units. Operator Went Out on Reactor Bridge to Check Rod.After Examining Rod,Operator Shook Barrel & Rod Fell Into Core. Reactor Remains in Shutdown Condition
ML20082P0163 September 1991Ro:On 910830 Analog scram-capable Safety Channel of Dow Triga Research Reactor Found to Be Not Operating During power-up Operation of Reactor.Caused by Broken Connection in high-voltage Cable for Neutron Detector.Broken Cable Fixed
ML20082N61330 August 1991RO:analog-capable Safety Channel of Reactor Inoperable During Reactor Operation.Caused by Broken Connection in High Voltage Cable for Neutron Detector.Reactor Shutdown & Secured
ML20210B27518 March 1987Ro:Holes Found in Aluminum Reactor Tank Line.Cause Unknown. Operations Suspended Until Extent of Problem & Solution Determined.Proposed Actions to Correct Problem Will Be Submitted Prior to Resuming Operations