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| Issue date | Title | Topic | |
|---|---|---|---|
| ML17313A992 | 21 June 1999 | Special Rept:On 990525,RMS mini-computer Was Removed from Service to Implement Yr 2000 Mod & Was OOS Longer than 72 H Allowed.Caused by Planned Y2K Mods.Preplanned Alternate Sampling Program Was Initiated | Offsite Dose Calculation Manual |
| ML17313A991 | 18 June 1999 | Special Rept:On 990510,loose-part Detection Sys Channel 2 Was Declared Inoperable.Caused by Malfunction of Mineral Cable Connector to Accelerometer.Licensee Will Implement Modifications Which Will Enhance loose-part Detection Sys | |
| ML17313A540 | 13 August 1998 | Special Rept:On 980715,declared PASS Inoperable.Caused by Failure of Offgas Flush/Purge Control Handswitch HS0101. Handswitch Replaced & Post Maintenance Retesting Was Initiated | |
| ML17313A127 | 26 November 1997 | Special Rept 2-SR-97-002:on 971103,loose-part Detection Sys Channel 2 Declared Inoperable.Caused by Malfunction of Coaxial Cable Connector to accelerometer.Loose-part Detection Sys Channel Will Be Reworked | |
| ML17312A687 | 5 April 1996 | Rev 1 to Special Rept 2-SR-96-001,on 960404,alert Declared Due to Fire in Voltage Regulator for CR & Remote Shutdown Panel Essential Lighting,Clarifying Status of Power to UPS 2EQDNN02.Further Investigations Into Event Being Performed | |
| ML17312A661 | 4 April 1996 | Special Rept 2-SR-96-001:on 960404,fault Occurred in Voltage Regulator for CR & Remote Shutdown Panel Essential Lighting, Resulting in Fire in 100 Ft Elevation of Cb B Battery Equipment Room & Requiring Declaration of Alert,Per EPIP-04 | |
| ML17312A577 | 1 March 1996 | Special Rept 1-SR-96-01 on:960225,unit 1 Turbine Tripped Followed by Reactor Power Cutback.Caused by Lightning Strike.Unit 1 Will Not Be Connected to Grid Until Repairs Can Be Made to C Neutral Bushing of Transformer | |
| ML17311A897 | 25 May 1995 | Special Rept:On 950416,loose-part Detection Sys Channel 1 Declared Inoperable.Caused by Malfunction of Coaxial Cable Connector to Transducer.Channel Will Be Reworked & Returned to Svc During First Available Outage of Sufficient Duration | |
| ML17310B362 | 9 June 1994 | Special Rept 1-SR-94-001:on 940511,plant Ventilation Sys High Range Effluent Monitors in Units 1 & 2 Inoperable for Periods Greater than 72 H.Caused by High Voltage Failure Alarm.Design Change Package Installed | Offsite Dose Calculation Manual |
| ML17310B307 | 20 May 1994 | Special Rept 2-SR-94-002:on 940518,NOUE Declared Due to Fire Which Burned in Excess of 10 Minutes within Protected Area. Fire Extinguished W/Portable Fire Extinguisher.Investigation Initiated to Determine Cause of Fire & Develop C/As | |
| ML17310A995 | 13 January 1994 | Suppl 2 to Special Rept 3-SR-92-006:on 921217,PASS Declared Inoperable for Greater than Seven Days Following Failure to Meet Pressurized Sample Portion of Acceptance Criteria for Monthly Functional Sr.Pass Declared Operable on 921226 | |
| ML17310A994 | 13 January 1994 | Suppl 2 to Special Rept 2-SR-92-004:on 921222,PASS Declared Inoperable for Greater than Seven Days Due to Failure of Containment Air Flow Indicator & Indication of Water Leakage at PASS RCS Sample Septum.Pass Declared Operable on 930105 | |
| ML17310A895 | 3 January 1994 | Special rept:1-SR-93-008:on 940103,fuel Bldg Ventilation Sys High Range Radiation Monitor Inoperable for Period Greater than 72 Hours.Caused by Difficulties in Installing Mod 1-FJ-SQ-060 | Offsite Dose Calculation Manual Post Accident Monitoring |
| ML17310A870 | 25 December 1993 | Special Rept 1-SR-93-006:on 931224,30 Day Period for Returning loose-part Detection Sys (Lpds) to Operable Status Exceeded.Inoperable Lpds Channel Scheduled to Be Reworked & Returned to Svc During Next Outage of Sufficient Duration | |
| ML17310A867 | 15 December 1993 | Special Rept 1-SR-93-007:on 931215,30 Day Period for Returning Accelerometer to Operable Condition Exceeded. Accelerometer Will Be Replaced During Next Outage of Sufficient Duration | Earthquake |
| ML17310A758 | 30 October 1993 | Special Rept 1-SR-93-004:on 931008,high Range RM RU-146 Made Inoperable for Period of Greater than 72 H as Result of Scheduled Electrical Bus Outage.Maint on Associated Bus Completed on 931015 & RU-146 Returned to Service | Offsite Dose Calculation Manual Post Accident Monitoring |
| ML17310A700 | 9 October 1993 | Special Rept 2-SR-93-003:on 931002,thirty Day Period for Returning loose-part Detection Sys Channel 8 to Operable Status Exceeded.Subj Channel Scheduled to Be Reworked & Returned to Svc During Next Outage | |
| ML17310A630 | 13 September 1993 | Special Rept 3-SR-93-003:on 930806,loose-part Detection Sys (Lpds) Declared Inoperable & Exceeded 30 Day Period for Being Returned to Svc on 930905.LPDS Channel 5 Scheduled to Be Reworked & Returned to Svc During Next Outage | |
| ML17310A540 | 11 August 1993 | Special Rept 1-SR-93-003:on 930806,NOUE Declared When Unit 1 CR Received Verification That Meteorological Instrumentation Unavailable Due to Loss of Power to Meteorological Tower. Caused by Severe Weather.Instrumentation Repaired | High winds |
| ML17310A496 | 2 August 1993 | Special Rept 2-SR-93-002:on 930722,Unit 2 in Mode 5,Cold Shutdown During Refueling Outage When ISI of Both SGs Completed.Insp Resulted in Plugging of 74 Tubes in SG 1 & 175 Tubes in SG 2 | |
| ML17310A440 | 12 July 1993 | Special Rept 1-SR-93-002:on 930526,period for Returning Min Number of Explosive Gas Monitoring Channels to Operable Condition Exceeded.After All Four Cells Rebuilt,Calibr Completed on 930602 & Subj Analyzer Returned to Svc | |
| ML17306B423 | 24 April 1993 | Suppl 1 to Special Repts 2-SR-92-004 & 3-SR-92-006:on 921222 Unit 2 PASS Declared Inoperable Due to Failure of Containment Air Flow Indicator.On 921217,Unit 3 PASS Declared Inoperable.Equipment Replaced & Sample Obtained | |
| ML17306B337 | 15 March 1993 | Special Rept 2-SR-93-001:on 930314,control Room Personnel Manually Tripped Reactor Due to Rapid Decrease in Pressurizer Heaters.Personnel Commenced Controlled Plant Cooldown.Unit Remains Shut Down for Further Investigation | |
| ML17306B290 | 22 February 1993 | Special Rept 1-SR-92-005,suppl 1,provided Per Emergency Plan Implementing Procedure EPIP-03, Notification of Unusual Event Implementing Actions, Occurring on 920822 Re Loss of Power at Meteorological Tower | |
| ML17306B278 | 9 February 1993 | Special Rept 3-SR-93-001:on 930204,reactor Trip Occurred & Main Feedwater Pump a Experienced Rapidly Decreasing Pump Speed.Valid Actuation of SI Actuation Sys & Containment Isolation Actuation Sys Also Occurred.Evaluation Underway | |
| ML17306B272 | 27 January 1993 | Special Rept 3-SR-004-03:on 920817,PASS Inoperable for More than 7 Days.On 920902,discovered That PASS Unable to Draw Vacuum on Gaseous Sample Bomb.Vent Line Reworked & Procedure Revised | |
| ML17306B255 | 24 January 1993 | Special Rept 2-SR-92-004:on 921222,PASS Declared Inoperable for Period Greater than 7 Days Due to Failure of Containment Air Flow Indicator & Indication of Water Leakage at PASS Rcs.Pass Returned to Operable Status on 930105 | |
| ML17306B256 | 24 January 1993 | Special Rept 1-SR-92-007:on 921227,CB Atmosphere RM Inoperable for Period Greater than 72 H Due to High Flow Conditions.Temporary Mod Installed on Subj RM to Remove Monitor from Dedicated Rms Grounding Sys | Temporary Modification |
| ML17306B254 | 22 January 1993 | Special Rept 3-SR-92-006:on 921217,PASS Declared Inoperable Following Failure to Meet Pressurized Sample Portion of Acceptance Criteria for Monthly Functional Sr.Pass Returned to Operable Status Following Satisfactory Repairs & Testing | |
| ML17306B191 | 21 December 1992 | Special Rept 3-SR-92-004-01:on 920201 PASS Declared Inoperable for Period Greater than Seven Days.Caused by Tubing Being Rerouted.Pass Reworked & Operability Restored on 920905 | |
| ML17306B184 | 14 December 1992 | Special Rept:On 920810,PASS Declared Inoperable Due to Tubing Being Rerouted.Chemistry Sys Status Procedure 74DP-9ZZ04 Revised to Direct Chemistry Personnel to Ensure That Functional Test Is performed.W/921214 Ltr | |
| ML17306B129 | 17 November 1992 | Special Rept 2-SR-92-003:on 921113,reactor Trip Occurred While Motor Generator Set a Out of Svc for Scheduled Maint & Set B Inadvertently Deenergized,Resulting in Loss of Power. State & Local Agencies Notified & Sys Reset | |
| ML17306B093 | 30 October 1992 | Suppl 1 to Special Rept 3-SR-92-004:on 920817,seven-day Period for Returning PASS to Service exceeded.30DP-9WP04 Revised to Retest for PASS & Gaseous Radwaste to Be Completed by 921120 | |
| ML17306A995 | 18 September 1992 | Special Rept 3-SR-92-004:seven-day Period for Returning PASS to Svc Exceeded on 920817.On 920902,discovered That PASS Unable to Draw Vacuum on Gaseous Sample Bomb.Possibly Caused by Maint on 920810.PASS Reworked & Operability Restored | |
| ML17306A965 | 16 September 1992 | Special Rept 3-SR-92-003:on 920903,discovered That PASS Unable to Draw Vacuum on Gaseous Sample Bomb & Declared Inoperable for More than 7 Days.Cause Under Investigation. Sys Returned to Operable Status on 920905 | |
| ML17306A940 | 28 August 1992 | Special Rept 1-SR-92-005:on 920822,discovered That Info Could Not Be Dispatched from Meterological Tower During Routine Surveillance of Daily Midnight Logs.Tower Declared Operable on 920823 Following Power Restoration | |
| ML17306A810 | 27 June 1992 | Special Rept 1-SR-92-004:on 920620,loose Part Detection Sys Inoperable for More than 30 Days.Caused by Hardware Problems Associated W/Installation of Loose Part Detection Sys Mods.New Computer Processor Board Installed | |
| ML17306A797 | 18 June 1992 | Special Rept 3-SR-92-003:on 920520,RMs RU-145 & 146 Declared Inoperable & Removed from Svc.Caused by Personnel Errors in Documenting Clearance for Retest of RU-146.Shift Supervisor Disciplined & Technician Verified That Pumps Were Energized | |
| ML17306A796 | 18 June 1992 | Special Rept 1-SR-92-003:on 920514,unit 1 Entered Mode 3 & PASS Declare Inoperable & Failed Surveillance Test.Caused by Leaking Relief Valve & Malfunctioning Pressure Transducer. Relief Valve & Pressure Transducer Replaced | |
| ML17306A710 | 6 May 1992 | Special Rept:On 920504,Control Room Received Alarms on All Seven Control Boards.Plan Computer Returned to Svc & Was Declared operable.W/920506 Ltr | |
| ML17306A681 | 18 April 1992 | Special Rept SR-92-002:on 920411,insp of SGs Resulted in Plugging of 23 Tubes in SG 1 & 18 Tubes in SG 2.Complete Results of SG Tube ISI Will Be Submitted by 930411 | |
| ML17306A452 | 7 February 1992 | Special Rept:On 920101,PASS Declared Inoperable When Chemistry Personnel Could Not Obtain a Containment Air Sample.Caused by Malfunctioning Flow Sensor.Pass Expected to Be Returned to an Operable status.W/920207 Ltr | |
| ML17306A390 | 7 January 1992 | Special Rept 1-SR-92-001:on 920102,determined That Leak Existed in Pressurizer Steam Space Instrument Nozzle Mfg from Inconnel 600.Caused by Nonvisible Intergranular Crack.Addl Investigation Underway | Pressure Boundary Leakage Pressure boundary leak |
| ML17306A298 | 5 December 1991 | Special Rept 2-SR-91-002:on 911107,fuel Bldg Ventilation Sys high-range Radioactive Gaseous Effluent Monitor Inoperable for More than 72 H.Caused by Power Supply Deenergized for Scheduled Maint.Monitor Returned to Svc on 911114 | |
| ML17306A279 | 20 November 1991 | Special Rept 3-SR-91-007:on 911115,mobile Crane Came in Contact W/Energized 13.8 Kv Power Line Resulting in Arcing of Crane Outrigger Pads to Ground & Burning of Asphalt Area in Contact W/Pads.Investigation Re Event Being Performed | |
| ML17306A222 | 10 October 1991 | Special Rept 1-SR-91-001-01:on 910111,fuel Bldg Ventilation Sys High Range Radioactive Gaseous Effluent Monitor Declared Inoperable for Period Greater than 72 H in Order to Perform Scheduled 18-month Surveillance Testing & Maint | |
| ML17306A221 | 10 October 1991 | Special Rept 2-SR-89-007-03:on 891002,fuel Bldg Ventilation Sys High Range Gaseous Effluent Monitor Declared Inoperable for More than 72 H.Caused by Low Flow Limit Switch Being Out of Adjustment.Microprocessor Operated Manual Mode | |
| ML17306A220 | 10 October 1991 | Special Rept 2-SR-90-005-01:on 900716,plant Vent Sys High Range Effluent Monitor Inoperable for More than 72 H.Caused by Requirement to Perform Scheduled 18-month Surveillance Testing.Monitor Returned to Svc on 900729 | |
| ML17306A218 | 10 October 1991 | Special Rept 2-SR-90-004-01:on 910613,fuel Bldg Ventilation Sys high-range Radioactive Gaseous Effluent Monitor Inoperable for More than 72 H.Caused by Need to Perform 18 Month Surveillance Testing.Monitor Returned to Svc | Temporary Modification |
| ML17305B744 | 18 September 1991 | Special Rept 1-SR-91-002,on 910914:steam Generator Econimizer Valve SGN-FV-1112 Fully Opened Causing Level in Steam Generator 1 to Rapidly Increase.Caused by Malfunction of Lower Gripper High Voltage on Slipped Part Length CEA | Downpower |