05000287/LER-1981-003, Forwards LER 81-003/01T-0.Detailed Event Analysis Encl
05000269/LER-1982-014, Forwards LER 82-014/03L-0.Detailed Event Analysis Encl
05000287/LER-1982-010, Forwards LER 82-010/01T-0.Detailed Event Analysis Encl
05000270/LER-1982-012, Forwards LER 82-012/03L-0.Detailed Event Analysis Encl
05000287/LER-1982-015, Forwards LER 82-015/01T-0.Detailed Event Analysis Encl
05000269/LER-1982-011, Forwards LER 82-011/03L-0.Detailed Event Analysis Encl
05000287/LER-1981-005, Forwards LER 81-005/03L-0.Detailed Event Analysis Encl
05000270/LER-1982-009, Forwards LER 82-009/03L-0.Detailed Event Analysis Encl
05000269/LER-1982-013, Forwards LER 82-013/01T-0.Detailed Event Analysis Encl
05000269/LER-1983-003, Forwards LER 83-003/03L-0.Detailed Event Analysis Encl
05000269/LER-1983-005, Forwards LER 83-005/03L-0.Detailed Event Analysis Encl
05000269/LER-1983-004, Forwards LER 83-004/03L-0.Detailed Event Analysis Encl
05000269/LER-1982-016, Forwards LER 82-016/01T-0.Detailed Event Analysis Encl
05000269/LER-1983-002, Forwards LER 83-002/01T-0.Detailed Event Analysis Encl
05000270/LER-1983-006, Forwards LER 83-006/03L-0.Detailed Event Analysis Encl
05000287/LER-1983-005, Forwards LER 83-005/01T-0.Detailed Event Analysis Encl
05000287/LER-1983-002, Forwards LER 83-002/01T-0.Detailed Event Analysis Encl
05000269/LER-1983-008, Forwards LER 83-008/01T-0.Detailed Event Analysis Encl
05000269/LER-1983-007, Forwards LER 83-007/01T-0.Detailed Event Analysis Encl
05000270/LER-1983-004, Forwards LER 83-004/01T-0.Detailed Event Analysis Encl
05000269/LER-1982-015, Forwards LER 82-015/03L-0.Detailed Event Analysis Encl
05000287/LER-1982-007, Forwards LER 82-007/01T-0.Detailed Event Analysis Encl
05000270/LER-1981-005, Forwards LER 81-005/01T-0.Detailed Event Analysis Encl
05000270/LER-1982-010, Forwards LER 82-010/01T-0.Detailed Event Analysis Encl
05000287/LER-1983-001, Forwards LER 83-001/01T-0.Detailed Event Analysis Encl
05000269/LER-1982-012, Forwards LER 82-012/01T-0.Detailed Event Analysis Encl
05000287/LER-1983-014-03, /03L-0:on 831226,discovered Channel B Reactor Protective Sys a Hot Leg Temp Instrument Indicating More than 3 F Lower than Other Channels.Caused by Deficiency. Resistance Temp Detector Bridge Calibr
05000269/LER-1983-021-03, /03L-0:on 831225,borate Water Storage Tank Level Channel 1 Failed Low When Moisture in Instrument Airlines Froze,Giving Incorrect Level Indications.Caused by Strip Heaters Deenergizing Due to Tripped Breaker
05000269/LER-1983-017-01, /01T-0:on 831209,during Surveillance Testing, Control Rod Drive Ac Breaker 10 Experienced Delayed Trip. Caused by Component Failure.Trip Breakers Replaced W/Spares. Automatic Trip Will Be Installed
05000287/LER-1983-012-03, /03L-0:on 831018,valve 3FDW-382 Discovered Partially Opened & Declared Inoperable.Caused by Component Failure.Valve Manually Opened
05000287/LER-1983-011-03, /03L-0:on 83l013,discovered No Low Pressure Svc Water Flowing Through Operating 3B Mdefdw Pump.Pump Declared Inoperable.Caused by Component Failure.Valve 3SV-203 replaced.w/831111 1tr
05000269/LER-1983-019-01, /01T-0:on 831026,potential Deficiency of Capstan Springs in Pacific Scientific Mechanical Snubbers Identified During Review.Caused by Mfg Deficiency Due to Improper Aging of Springs.Snubbers Returned to Manufacturer
05000269/LER-1983-016-03, Hydrogen Purge Unit Declared Inoperable Due to Discharge Flow Instrument FT-100 Damage.Caused by Personnel Error.Flow Instrument Repaired & Connections Will Be Relocated
05000269/LER-1983-018-01, /01T-0:on 831024,discovered That Potentially Defective Relays Could Cause Keowee Hydro Unit to Trip Off Line During Emergency Operations.Caused by Mfg Deficiency. New Capacitors to Be Installed
05000270/LER-1983-009-01, /01T-0:on 830822,discovered That,Using Conservative Interpretations,Inoperable LPI Snubber Noted. Snubber Not Made Operable within 72 H.Caused by Component Failure & Personnel Error.Snubber Replaced
05000269/LER-1983-015-03, /03L-0:on 830819,during Reactor Bldg Personnel Hatch O-ring Seal Leak Rate Test,Gasket Blew Out,Causing Hatch to Be Technically Inoperable.Caused by Component Failure.Gasket Replaced
05000287/LER-1983-010-01, /01T-0:on 830830,as Result of QA Review & Other Reanalysis,Determined Axial Power Shaping Rod Limits for U3 C7 After 385 EFPD Not Conservative.Caused by Design Error. Limits Reanalyzed Using More Iterations
05000287/LER-1983-008-03, /03L-0:on 830707,during Emergency Safeguards on- Line Test,Valve 3LPSW-565 Failed to Operate.Caused by Mechanical Interlock & Motor Starter Coil Bind.Motor Starter Repaired
05000287/LER-1983-009-03, /03L-0:on 830727,HPI Pump 3A Tripped When Manual Start Attempted.Cause Unknown.Pump Reset
05000287/LER-1983-006-03, /03L-0:on 830513,during Attempt to Replace Cell in Battery 3PB,power Lost from Emergency Feedwater Pump Turbine Auxiliary Oil Pump.Caused by Personnel Failure to Follow Procedure.Personnel Counseled
05000269/LER-1981-025, Forwards LER 81-025/03L-0.Detailed Event Analysis Encl
05000287/LER-1982-012-01, /01T-0:on 821117,steam Generator Tube Leak of 0.5 Gpm Indicated by Condensate Steam Air Ejector Offgas Radiation Monitor.Caused by Cracks in Tubes 65-1,68-4,78-4, 78-8 & 83-5.Tubes Removed from Svc for Lab Analysis
05000287/LER-1982-014-01, /01T-0:on 821211,steam Generator Tube Leak Indicated by Condensate Steam Air Ejector Offgas Radiation Monitor.Caused by Crack in Tube 77-9.Tube 77-9 & Tube 78-2 Removed from Svc
05000270/LER-1982-007, Forwards LER 82-007/01T-0.Detailed Event Analysis Encl
05000269/LER-1982-009, Forwards LER 82-009/01T-0.Detailed Event Analysis Encl
05000270/LER-1982-005, Forwards LER 82-005/01T-0.Detailed Event Analysis Encl
05000270/LER-1982-004, Forwards LER 82-004/01T-0.Detailed Event Analysis Encl
05000287/LER-1982-004, Forwards LER 82-004/01T-0.Detailed Event Analysis Encl
05000287/LER-1982-005, Forwards LER 82-005/01T-0.Detailed Event Analysis Encl
05000269/LER-1982-006, Forwards LER 82-006/01T-0.Detailed Event Analysis Encl
05000270/LER-1982-006, Forwards LER 82-006/01T-0.Detailed Event Analysis Encl
05000269/LER-1982-002, Forwards LER 82-002/01T-0.Detailed Event Analysis Encl
05000287/LER-1982-003, Forwards LER 82-003/01T-0.Detailed Event Analysis Encl
05000269/LER-1982-003-01, /01T-0:on 820209,steam Generator Tube Leak of Approx 0.11 Gpm Was Indicated by Condensate Steam Air Ejector Offgas Radiation Monitor.Caused by Crack on Tube 74-2.Tube Stabilized & Plugged
05000269/LER-1982-003, Forwards LER 82-003/01T-0.Detailed Event Analysis Encl
05000269/LER-1982-004, Forwards LER 82-004/01T-0.Detailed Event Analysis Encl
05000270/LER-1982-003, Forwards LER 82-003/01T-0:Detailed Event Analysis Encl
05000287/LER-1981-016, Forwards LER 81-016/03L-0.Detailed Event Analysis Encl
05000270/LER-1981-018, Forwards LER 81-018/01T-0.Detailed Event Analysis Encl
05000269/LER-1981-023, Forwards LER 81-023/01T-0.Detailed Event Analysis Encl
05000287/LER-1981-014, Forwards LER 81-014/03L-0.Detailed Event Analysis Encl
05000269/LER-1981-022, Forwards LER 81-022/01T-0.Detailed Event Analysis Encl
05000270/LER-1981-017-01, /01T-0:on 810919,while Attempting to Initiate Decay Heat Cooling to Stop Steam Generator Tube Leak,Valve 2LP-2 Failed to Open Electrically or Manually.Apparently Caused by Bent Valve Stem.Valve Stem Replaced
05000269/LER-1981-020, Forwards LER 81-020/03L-0.Detailed Event Analysis Encl
05000269/LER-1981-021, Forwards LER 81-021/01T-0.Detailed Event Analysis Encl
05000270/LER-1981-003, Forwards LER 81-003/03L-0.Detailed Event Analysis Encl
05000270/LER-1981-015, Forwards LER 81-015/03L-0.Detailed Event Analysis Encl
05000269/LER-1981-006, Forwards LER 81-006/03L-0.Detailed Event Analysis Encl
05000287/LER-1981-004, Forwards LER 81-004/03L-0.Detailed Event Analysis Encl
05000287/LER-1981-008, Forwards LER 81-008/03L-0.Detailed Event Analysis Encl
05000270/LER-1981-010, Forwards LER 81-010/03L-0.Detailed Event Analysis Encl
05000287/LER-1981-006, Forwards LER 81-006/03X-1.Detailed Event Analysis Encl
05000269/LER-1982-020, Forwards LER 82-020/03L-0.Detailed Event Analysis Encl
05000269/LER-1982-019, Forwards LER 82-019/03L-0.Detailed Event Analysis Encl
05000287/LER-1982-011, Forwards LER 82-011/03L-0.Detailed Event Analysis Encl
05000287/LER-1982-009, Forwards LER 82-009/01T-0.Detailed Event Analysis Encl
05000269/LER-1983-011-03, /03L-0:on 830525,lockout Indication Received for Startup Transformer CT3.Cause unknown.CT3 Energized
05000270/LER-1983-008-03, /03L-0:on 830531,motor Driven Emergency Feedwater Pump Became Inoperable When Power Removed from Circuitry for Repair of Automatic Initiation Switch 2PS-388.Caused by Component Failure.Switch Replaced & Recalibr
05000269/LER-1981-018, Forwards LER 81-018/03L-1.Detailed Event Analysis Encl
05000270/LER-1981-013, Forwards LER 81-013/03L-0.Detailed Event Analysis Encl
05000269/LER-1981-016, Forwards LER 81-016/01T-0.Detailed Event Analysis Encl
05000269/LER-1981-014, Forwards LER 81-014/01L-0.Detailed Event Analysis Encl
05000269/LER-1981-015, Forwards LER 81-015/01T-0.Detailed Event Analysis Encl
05000287/LER-1981-012-03, /03L-0:on 810624,valve 3PR-8 Failed in Closed Position,Isolating Radiation Monitors 3 RIA-47,48 & 49. Caused by Ruptured Diaphragm in Air Operator on Valve. Diaphragm Replaced
05000269/LER-1981-012-03, /03L-0:on 810624,discovered safety-related Hydraulic Snubber on Atmospheric Dump Line B Was Broken at Rod Eye.Caused by Vibration.Snubber Repaired
05000269/LER-1981-009, Forwards LER 81-009/03L-0.Detailed Analysis Encl
05000287/LER-1981-013, Forwards LER 81-013/03L-0.Detailed Event Analysis Encl
05000269/LER-1981-011, Forwards LER 81-011/01T-0.Detailed Event Analysis Encl
05000269/LER-1981-013, Forwards LER 81-013/01T-0.Detailed Event Analysis Encl
05000269/LER-1981-010, Forwards LER 81-010/03L-0.Detailed Event Analysis Encl
05000270/LER-1981-016-01, /01T-0:on 810918,steam Generator Tube Leak of Approx 0.03 Gpm & Increasing to 25-30 Gpm,Indicated by Monitor.Apparently Caused by Circumferential Crack of Tube 77-2 at 15th Support Plate.Tube Stabilized & Plugged
05000269/LER-1981-007, Forwards LER 81-007/01T-0.Detailed Event Analysis Encl
05000270/LER-1981-270, Forwards LER 81-270/03L-0.Detailed Event Analysis Encl
05000270/LER-1981-006, Forwards LER 81-006/03L-0.Detailed Event Analysis Encl
05000270/LER-1981-012, Forwards LER 81-012/03L-0.Detailed Event Analysis Encl
05000287/LER-1981-011, Forwards LER 81-011/03L-0.Detailed Event Analysis Encl
05000287/LER-1980-016, Forwards LER 80-016/03L-1.Detailed Event Analysis Encl
05000269/LER-1981-008, Forwards LER 81-008/01T-0.Detailed Event Analysis Encl
05000287/LER-1981-010, Forwards LER 81-010/03L-0.Detailed Event Analysis Encl
05000269/LER-1981-004, Forwards LER 81-004/03L-0.Detailed Event Analysis Encl
05000269/LER-1981-005, Forwards LER 81-005/01T-0.Detailed Event Analysis Encl
05000269/LER-1981-003, Forwards LER 81-003/03L-0.Detailed Event Analysis Encl
05000269/LER-1980-040, Forwards LER 80-040/01T-0.Detailed Event Analysis Encl
05000270/LER-1981-004, Forwards LER 81-004/03L-0.Detailed Event Analysis Encl
05000270/LER-1980-014-03, /03L-0:on 800822,concentrated Boric Acid Storage Tank Pump Removed from Svc Due to Oil & Flange Leaks.Caused by Torn Oil Seal,Worn Worm Gear,Bad Flange Gasket & Stuck Pressure Relief Valve.Items Replaced
05000269/LER-1982-018, Forwards LER 82-018/01T-0.Detailed Event Analysis Encl
05000270/LER-1979-004-03, /03L-0 on 790615:RCS Leakage Observed & Unit Shut Down for Repairs.Caused by Leak on Packing on Pressurizer Spray Control Bypass Valve.Valve Was Backseated & Leakage Terminated
05000287/LER-1982-012, Forwards LER 82-012/01T-0.Detailed Event Analysis Encl