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Issue date | Title | Topic | |
---|---|---|---|
ML20012E066 | 9 March 1990 | RO 90-01:on 900228,reactor Operator Received Servo Fault Alarm.After Directed Shutdown,Complete Loss of Linear Power Channel Noted.Caused by Corroded Connector at Detector Leads.Connector Replaced.Part 21 Related | |
ML20028E691 | 11 January 1983 | Telecopy Ro:On 830110,during Reactor Startup,Fuel Temp Not Tracking Although Normal Temp Indication Displayed.Reactor Shut Down.Caused by Failed Fuel Thermocouple.Reactor Switched to Second Thermocouple | |
ML20028E641 | 6 January 1983 | Ro:On 830105,discovered Damaged Fuel Element 7463 During Insp.Element Failed Go/No Go Test.Complete Core Unloading & Fuel Insp Will Be Completed on 830106 & 07 | |
ML20052B667 | 12 April 1982 | Ro:Final Rept Re Possible Loss of self-protection of SNM Ctr.Fuel Bundle May Not Have Decayed Below self-protection Limit as Discrepancies Existed in Readings.Survey Program Improved & Underwater Fuel Surveys Studied | |
ML20050B353 | 12 February 1982 | Ro:On 820205,during Initial Startup,Linear Power Channel Did Not Respond.Rod Withdrawal Terminated.Caused by Detector High Detector High Voltages Switch in Off Position.Training Session Implemented on Monitoring of Instrumentation | |
ML20009E417 | 15 May 1981 | Ro:On 810507,during Check of Reactor Operator Licenses & Status,Senior Operator License SOP-3478 Found Expired on 810427.Caused by Failure to Follow Administrative Procedures.Operator Relieved of Duties | |
ML19352B165 | 8 May 1981 | Ro:On 810507,while Conducting Check of Reactor Operator License & Requalification Status,Found That License SOP-3478 Held by Gw Waldrop Had Expired on 810427.Caused by Defect in Administrative Procedures.Procedures Have Been Corrected | |
ML19352B210 | 24 April 1981 | Ro:On 810409 & 14,during Reactor Prestartup Checks,Interlock Used to Prevent Withdrawal of Shim Safety Control Rods Found Not Functioning.Caused by Threshold Change Due to Change in Solid State Switching Device.Capacitor Installed | |
ML19318A590 | 23 May 1980 | Ro:On 800513,secondary Cooling Tower Fan Discovered to Have Disintegrated Causing Damage to Cooling Tower & Resulting in Loss of Secondary Cooling Capacity.Caused by Failure of Fan Transmission Mounting.Temporary Fan Assembly Installed | |
ML19323F140 | 13 May 1980 | Ro:On 800513,discovered Secondary Cooling Tower Fan Disintegrated Causing Damage to Tower & Loss of Secondary Cooling Capacity.No Cause Given.Reactor to Be Operated on Reduced Schedule Until Repairs Made | |
ML19224D786 | 25 June 1979 | Final RO Rept Re Failure of Experiment Scram Circuit to Function During Surveillance Testing Due to Malfunction of Reset Switch.Caused by Dust on Moving Parts.Switch Cleaned & Immediately Functioned |