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| Issue date | Title | Topic | |
|---|---|---|---|
| 05000361/LER-1993-005 | 7 September 1993 | LER 93-005-00:on 930810,identified Improper Configuration of Units 2 & 3 MSIV Enclosure Blowout Panels Due to Inadequate MP for Installation.Restored Blowout Panels to Operability on 920930.W/930907 Ltr | Probabilistic Risk Assessment Tornado Generated Missile |
| 05000361/LER-1993-004 | 1 September 1993 | LER 93-004-00:on 930802,portions of Shift Surveillance Not Performed.Caused by Personnel Error.Plant Operators Counseled on procedures.W/930901 Ltr | |
| 05000361/LER-1990-011, Corrected LER 90-011-01:on 900722,AFW Bypass Control Valve 3HV-4763 Declared Inoperable After Failing to Close Due to Mechanical Failure of Solenoid Valve.Valve Manually Isolated & Solenoid Valve Replaced | 4 December 1992 | Corrected LER 90-011-01:on 900722,AFW Bypass Control Valve 3HV-4763 Declared Inoperable After Failing to Close Due to Mechanical Failure of Solenoid Valve.Valve Manually Isolated & Solenoid Valve Replaced | |
| 05000361/LER-1984-009, Revised LER 84-009-01:on 840214,analysis of Startup Test Data for Units 2 & 3 Established That Calculated Thermal Power May Become Decalibr Relative to Secondary Calometric Power.Procedure S023-5-1 Revised | 23 July 1984 | Revised LER 84-009-01:on 840214,analysis of Startup Test Data for Units 2 & 3 Established That Calculated Thermal Power May Become Decalibr Relative to Secondary Calometric Power.Procedure S023-5-1 Revised | Anticipated operational occurrence |
| 05000362/LER-1983-097, Revised LER 83-097/03L-1:on 831029 & 30,control Element Assembly (CEA) 57 Dropped More than 19 Inches & CEA 61 Dropped More than 19 Inches on 831101.Caused by Sluggishness of CEA Grippers | 20 January 1984 | Revised LER 83-097/03L-1:on 831029 & 30,control Element Assembly (CEA) 57 Dropped More than 19 Inches & CEA 61 Dropped More than 19 Inches on 831101.Caused by Sluggishness of CEA Grippers | |
| 05000362/LER-1983-073, /03L-0:on 830929,boronmeter 3AE0203 Rendered Inoperable When Manual Isolation Valves S31208MU084 & S31208MU091 Closed.Caused by Improper Sys Lineup.Corrective Actions Described in LER 83-073/03L-0 | 27 October 1983 | /03L-0:on 830929,boronmeter 3AE0203 Rendered Inoperable When Manual Isolation Valves S31208MU084 & S31208MU091 Closed.Caused by Improper Sys Lineup.Corrective Actions Described in LER 83-073/03L-0 | |
| 05000362/LER-1983-065, Corrected LER 83-065/03L-0:on 830905 & 12,high-range in-containment Radiation Monitor 3RI-7820-1 Declared Inoperable After Discovery in Failed Low Condition.Caused by Faulty Electrical Cable Penetration Path | 5 October 1983 | Corrected LER 83-065/03L-0:on 830905 & 12,high-range in-containment Radiation Monitor 3RI-7820-1 Declared Inoperable After Discovery in Failed Low Condition.Caused by Faulty Electrical Cable Penetration Path | |
| 05000361/LER-1982-103, Followup LER 82-103/03X-2:on 820825,sample Isolation Valve 2HV-0517 Hot Leg Breaker 2BJ-23 Tripped on Overload While Attempting to Close Valve.Caused by burned-out Motor on Operator.Motor Replaced.Procedures Revised | 30 March 1983 | Followup LER 82-103/03X-2:on 820825,sample Isolation Valve 2HV-0517 Hot Leg Breaker 2BJ-23 Tripped on Overload While Attempting to Close Valve.Caused by burned-out Motor on Operator.Motor Replaced.Procedures Revised | |
| 05000361/LER-1982-094, Followup LER 82-094/03X-2:on 820808,stroke Time for Isolation Valve 2HV-0517 Hot Leg Could Not Be Measured Due to Simultaneous Open & Closed Position Indications.Caused by Loosening of Limit Switch Due to Vibration.Switch Adjus | 30 March 1983 | Followup LER 82-094/03X-2:on 820808,stroke Time for Isolation Valve 2HV-0517 Hot Leg Could Not Be Measured Due to Simultaneous Open & Closed Position Indications.Caused by Loosening of Limit Switch Due to Vibration.Switch Adjusted | Stroke time |
| 05000361/LER-1982-024 | 23 June 1982 | LER 82-024/01T-0:on 820606,w/discharge Valve 2HV4713 Inoperable Rendering Flowpath for Motor Driven Auxiliary Feedwater Pump 2P-141 Inoperable,Plant Entered Mode 3. Investigation Re Cause of Oversight Continuing | |
| 05000361/LER-1982-025 | 23 June 1982 | LER 82-025/01T-0:on 820609,steam Driven Auxiliary Feedwater Pump 2P-140 Declared Inoperable.Impact of Outstanding Work Order Affecting Pump Not Recognized by Operating Personnel. Investigation Re Cause of Oversight Continuing | |
| 05000361/LER-1982-009 | 12 April 1982 | LER 82-009/01T-0:on 820325,Bechtel Informed Util of Location of Lumigraph Indicators Model 9270 Mfg W/Incorrect Resistors in Indicator Circuits.Caused by Improper Design of Indicator Circuits.Resistors to Be Replaced Prior to Full Power | |
| 05000361/LER-1982-005 | 8 April 1982 | LER 82-005/03L-0:on 820309,control Room Emergency Air Cleanup Sys Failed to Start Upon Receiving Spurious Toxic Gas Isolation Signal.Caused by Incorrect Positioning of Kirk Key.Caution Notes Incorporated Into Procedures | |
| 05000361/LER-1982-004 | 7 April 1982 | LER 82-004/03L-0:on 820308,containment Purge Isolation Sys (Cpis) Operability Found Not Demonstrated Per Tech Spec 4.99.Caused by Return of Purge Valves to Svc After Valve Seat Cleaning W/O Verifying Cpis Operability | |
| 05000361/LER-1982-007 | 7 April 1982 | LER 82-007/03L-0:on 820303,cable Riser Shaft Water Spray Fire Protection Sys Inadvertently Activated & Fire Retardant Barrier Matl Damaged by Water.Caused by Personnel Communication Failure During Maint | |
| ML20147A867 | 7 September 1978 | /03L-0 on 780819:during an Investigation of a DC Ground,Leads Were Being Lifted on the Indication Circuit of the East Feedwater Pump Safety Injection Valve (HV-853A). (Encl to 7809210176) | |
| ML20147A712 | 29 August 1978 | /03L on 780817:During Normal Oper,Feedwater Flow Meter Increased Suddenly in Indication,Resulting in a Loss of One Channel of the Steam Flow/Feedflow Mismatch Trip. Caused by Disloged Flow Straightener. (Encl to 7809080050) |