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| Issue date | Title | Topic | |
|---|---|---|---|
| PNO-IV-99-035A, on 990810,heater Drain Line Pipe Rupture Occurred.Caused by Flow Accelerated Corrosion in Conjunction with Moisture Impingement.Licensee Has Completed Replacement of Damage Heater Drain Piping & Conducted Insps of Piping | 18 August 1999 | PNO-IV-99-035A:on 990810,heater Drain Line Pipe Rupture Occurred.Caused by Flow Accelerated Corrosion in Conjunction with Moisture Impingement.Licensee Has Completed Replacement of Damage Heater Drain Piping & Conducted Insps of Piping | |
| PNO-IV-99-035, on 990810,operators Initiated Manual Rt When High Pressure Heater Drain Line Ruptured in Turbine Bldg. Licensee Is Evaluating Options for Facilitating Repair & Restarting Plant.Region IV Will Conduct Special Insp | 11 August 1999 | PNO-IV-99-035:on 990810,operators Initiated Manual Rt When High Pressure Heater Drain Line Ruptured in Turbine Bldg. Licensee Is Evaluating Options for Facilitating Repair & Restarting Plant.Region IV Will Conduct Special Insp | |
| PNO-IV-98-059, on 981129,licensee Commenced Plant Shutdown from 100% Power to Mode 3 to Replace Fan Motor.Resident Inspector Monitored Portion of Plant Shutdown from Cr.Info Has Been Discussed with Licensee | 30 November 1998 | PNO-IV-98-059:on 981129,licensee Commenced Plant Shutdown from 100% Power to Mode 3 to Replace Fan Motor.Resident Inspector Monitored Portion of Plant Shutdown from Cr.Info Has Been Discussed with Licensee | |
| PNO-IV-97-069, on 971120,plant Received Security Threat. Licensee Implemented Interim Contigency Measures & Notified CPS as That Plant Was Also Mentioned in Threat.State of Mo Notified | 20 November 1997 | PNO-IV-97-069:on 971120,plant Received Security Threat. Licensee Implemented Interim Contigency Measures & Notified CPS as That Plant Was Also Mentioned in Threat.State of Mo Notified | |
| PNO-III-88-011, on 880213,reactor Tripped from 100% Power Due to Main Turbine Trip.Safety Injection Sys Actuated Due to Low Steamline Pressure Signal.Relief Valve on Seal Leakoff Replaced W/Spare & Other Two Relief Valves Repaired | 16 February 1988 | PNO-III-88-011:on 880213,reactor Tripped from 100% Power Due to Main Turbine Trip.Safety Injection Sys Actuated Due to Low Steamline Pressure Signal.Relief Valve on Seal Leakoff Replaced W/Spare & Other Two Relief Valves Repaired | |
| PNO-III-86-060, on 860621,reactor Tripped on lo-lo Water Level Signal from Steam Generator D.Caused by Closing of Feedwater Isolation Valve Due to Failure of Control Logic Card | 23 June 1986 | PNO-III-86-060:on 860621,reactor Tripped on lo-lo Water Level Signal from Steam Generator D.Caused by Closing of Feedwater Isolation Valve Due to Failure of Control Logic Card | |
| PNO-III-86-047, on 860518,unit Shut Down to Repair Leaking Steam Generator C Feedwater Check Valve.Return to Svc Expected on 860522.State of Mo Informed | 19 May 1986 | PNO-III-86-047:on 860518,unit Shut Down to Repair Leaking Steam Generator C Feedwater Check Valve.Return to Svc Expected on 860522.State of Mo Informed | |
| PNO-III-86-038, on 860423,nonvital Dc Circuit Breaker Found Tripped in Turbine Bldg.Caused by Equipment Operator Inadvertently Tripping Circuit Breaker.Security Surveillance Increased | 24 April 1986 | PNO-III-86-038:on 860423,nonvital Dc Circuit Breaker Found Tripped in Turbine Bldg.Caused by Equipment Operator Inadvertently Tripping Circuit Breaker.Security Surveillance Increased | |
| PNO-III-86-036, on 860314,sabotage Threats Prompted Upgrade of Security Measures.Security Actions Reviewed by Region Iii.Plant Resumed Operations on 860415 After First Refueling Outage Which Began on 860228 | 15 April 1986 | PNO-III-86-036:on 860314,sabotage Threats Prompted Upgrade of Security Measures.Security Actions Reviewed by Region Iii.Plant Resumed Operations on 860415 After First Refueling Outage Which Began on 860228 | |
| PNO-III-86-022A, on 860314,unidentified Male Telephoned & Stated Some Tags from Mechanical Equipment Removed.Util Added Security Personnel & Checked Plant.No Abnormal Conditions Observed.Investigation Continuing | 17 March 1986 | PNO-III-86-022A:on 860314,unidentified Male Telephoned & Stated Some Tags from Mechanical Equipment Removed.Util Added Security Personnel & Checked Plant.No Abnormal Conditions Observed.Investigation Continuing | |
| PNO-III-86-022, on 860312,unidentified Male Made Announcement Over PA Sys to Evacuate Containment.On 860313,sabotage Threat Received Via Telcon.Security Contingency Plan Measures for Communicated Threat Implemented | 13 March 1986 | PNO-III-86-022:on 860312,unidentified Male Made Announcement Over PA Sys to Evacuate Containment.On 860313,sabotage Threat Received Via Telcon.Security Contingency Plan Measures for Communicated Threat Implemented | |
| PNO-III-86-001, on 860108,fire Destroyed Warehouse Bldg Outside Protected Area at Facility.Cause of Fire Undetermined.No Injuries Reported.No Radioactive Matl Involved.State of Mo & Region III Notified | 9 January 1986 | PNO-III-86-001:on 860108,fire Destroyed Warehouse Bldg Outside Protected Area at Facility.Cause of Fire Undetermined.No Injuries Reported.No Radioactive Matl Involved.State of Mo & Region III Notified | |
| PNO-III-85-065A, on 850729,containment Spray Pump 1B Failed to Start Due to Incorrect Overcurrent Setpoint.Caused by Personnel Error.Licensee Investigation Complete.Erroneous Setpoint Could Have Existed Since 1984 W/No Pump Failures | 1 August 1985 | PNO-III-85-065A:on 850729,containment Spray Pump 1B Failed to Start Due to Incorrect Overcurrent Setpoint.Caused by Personnel Error.Licensee Investigation Complete.Erroneous Setpoint Could Have Existed Since 1984 W/No Pump Failures | |
| PNO-III-85-065, on 850729,licensee Reported Possible Tampering Incident Involving Overcurrent Relay for Containment Spray Pump 1B.Relay Reset.Security Intensified. Investigation Underway | 30 July 1985 | PNO-III-85-065:on 850729,licensee Reported Possible Tampering Incident Involving Overcurrent Relay for Containment Spray Pump 1B.Relay Reset.Security Intensified. Investigation Underway | |
| PNO-III-84-049, on 840611,OL Issued to Util for Callaway Nuclear Power Station.License Limited to Fuel Loading & Operation Up to 5% Power | 12 June 1984 | PNO-III-84-049:on 840611,OL Issued to Util for Callaway Nuclear Power Station.License Limited to Fuel Loading & Operation Up to 5% Power | |
| ML20249A750 | 29 March 1978 | PNS-78-013:on 780328,guard Received Telephone Call from Female Caller Alleging That Bomb Had Been Placed in Reactor Bldg.Search of Bldg by Construction & Protective Personnel Failed to Disclose Any Suspect Devices | |
| ML20248L253 | 22 March 1978 | PNO-78-057:on 780321,W Smart Was Terminated for Failure to Perform Work Ordered by Foreman.Investigation of Firing of Smart Being Conducted,As Requested by Drey | |
| ML20236E908 | 6 March 1978 | PNS-78-000:on 780302,guard Received Telcon at Guard House from Anonymous Male Caller Who State, Bomb Will Go Off in twenty-five Minutes. When Asked Location of Bomb,Caller Hung Up.Guards Dispatched to Check for Possible Breaches | |
| ML20207G647 | 26 October 1977 | PNO-77-190:on 771026,an Ironworker Employed at Callaway Const Site Has Alleged That Defective Imbedments Were Installed in Concrete Structures & That QC Inspectors Inadequately Trained |