Pages that link to "05000315/LER-1982-016, Forwards LER 82-016/03L-0"
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The following pages link to 05000315/LER-1982-016, Forwards LER 82-016/03L-0:
Displayed 16 items.
- ML20054C999 (redirect page) (← links)
- 05000315/LER-1982-016 (redirect page) (← links)
- 05000316/LER-1982-019, Forwards LER 82-019/04T-0 (← links)
- 05000316/LER-1982-118, Forwards LER 82-118/03L-0 (← links)
- 05000316/LER-1982-084, Forwards LER 82-084/03L-0 (← links)
- 05000315/LER-1982-093, Forwards LER 82-093/03L-0 (← links)
- 05000316/LER-1982-083, Forwards LER 82-083/03L-0 (← links)
- 05000316/LER-1982-021-03, /03L-0:on 820315,while in Mode 5,surveillance Testing of ESF Ventilation Sys Filter Train (HV-AES-2) Revealed One HEPA Filter Did Not Meet Air Flow Distribution Criteria.New Filters Installed (← links)
- 05000315/LER-1982-016-03, /03L-0:on 820322,during Normal Operation,Control Room Air Handling unit,1-HV-ACRA-1,failed to Operate.Caused by Broken Fan Belt.New Belts Installed & Inspected (redirect page) (← links)
- ML20054D057 (redirect page) (← links)
- 05000315/LER-1982-016-03 (redirect page) (← links)
- 05000316/LER-1982-019-03, /03L-0:on 820311,following Shutdown,Containment Air Particulate & Gaseous Radiation Monitoring Sys R-11 & R-12 Sample Pump Tripped on Low Flow.Cause Undetermined. Flow Adjusted to Correct Level of 10 Scfm (← links)
- 05000316/LER-1982-043-03, /03L-0:on 820506,operator on Tour Noted Fire Barrier Door 388 Would Not Latch Properly When Closed by Door Closure.Apparently Caused by Normal Usage.Latch Lubricated & Reinstalled.Door Adjusted (← links)
- 05000316/LER-1982-042-03, /03L-0:on 820428,low Pressure Alarm XPA-153 for Emergency Air Supply to NRV-153 Actuated at 628 Psig.Cause Not Stated.Setpoint re-evaluated (← links)
- 05000315/LER-1982-030-04, /04L-0:on 820503,flow Indicator (SFR-201) for Turbine Gland Seal Leakoff Failed Low.Caused by Excessive Moisture on Sensing Element of Flow Indicating Probe. Moisture Removed & Probe Reinstalled (← links)
- 05000316/LER-1982-041-03, /03L-0:on 820427,during Surveillance Testing,Axial Power Distribution Monitoring Sys Detector B F(2) Limit Setpoints Was Incorrect.Caused by Use of Incorrect Data During Test Performance.Procedures Revised (← links)
- 05000315/LER-1982-016, Forwards LER 82-016/03X-2 Re 810719 Suction Strainer Pinhole Leak.Revised LER Rescinds Commitment to Submit Rept Whenever Action Statement Entered Other than for Preventive Maint or Testing,Per Insp Repts 50-315/85-07 & 50-316/ (redirect page) (← links)
- ML18095A008 (redirect page) (← links)
- ML17321A834 (← links)
- ML18095A008 (redirect page) (← links)
- 05000315/LER-1982-016-03, /03X-2:on 810719,pinhole Leak Discovered on West Containment Spray Pump Suction Strainer & Pump Declared Inoperable Per Tech Spec 3.6.2.1.Crack Found & Repaired. Commitments Re Tech Spec-required Repts Deleted (redirect page) (← links)
- ML17321A833 (redirect page) (← links)
- ML17321A834 (← links)
- ML17321A783 (← links)
- ML17321A748 (← links)
- 05000315/LER-1982-053, Forwards LER 82-053/03L-0 (← links)
- 05000316/LER-1982-059, Forwards LER 82-059/03L-0 (← links)
- 05000315/LER-1982-047, Forwards LER 82-047/03L-0 (← links)
- 05000316/LER-1982-051, Forwards LER 82-051/03L-0 (← links)
- 05000316/LER-1982-052, Forwards LER 82-052/03L-0 (← links)
- 05000315/LER-1982-043, Forwards LER 82-043/03L-0 (← links)
- 05000316/LER-1982-048, Forwards LER 82-048/03L-0 (← links)
- 05000316/LER-1982-047, Forwards LER 82-047/03L-0 (← links)
- 05000316/LER-1982-046, Forwards LER 82-046/03L-0 (← links)
- 05000315/LER-1982-040, Forwards LER 82-040/03L-0 (← links)
- 05000315/LER-1982-039, Forwards LER 82-039/01T-0 (← links)
- 05000315/LER-1982-038, Forwards LER 82-038/03L-0 (← links)
- 05000315/LER-1982-037, Forwards LER 82-037/03L-0 (← links)
- 05000316/LER-1982-020, Updated LER 82-020/04T-0:on 820401,unplanned Gas Release Detected by Elevated Vent Stack Gaseous Monitor (R-26) Reading.Caused by Small Leak from Seal on East Centrifugal Charging Pump.Coolant Filter Changed (← links)
- 05000315/LER-1982-017, Forwards LER 82-017/03L-0 (← links)
- 05000316/LER-1982-021, Forwards LER 82-021/03L-0 (← links)
- 05000315/LER-1982-016, Forwards LER 82-016/03L-0 (← links)
- 05000316/LER-1982-019, Forwards LER 82-019/04T-0 (← links)
- 05000316/LER-1982-043, Forwards LER 82-043/03L-0 (← links)
- 05000316/LER-1982-042, Forwards LER 82-042/03L-0 (← links)
- 05000315/LER-1982-030, Forwards LER 82-030/04L-0 (← links)
- 05000316/LER-1982-041, Forwards LER 82-041/03L-0 (← links)
- 05000315/LER-1982-027, Forwards LER 82-027/01T-0 (← links)
- 05000316/LER-1982-040, Forwards LER 82-040/01T-0 (← links)
- 05000316/LER-1982-039, Forwards LER 82-039/03L-0 (← links)
- 05000316/LER-1982-080, Forwards LER 82-080/03L-0 (← links)
- 05000315/LER-1982-079, Forwards LER 82-079/01T-0 (← links)
- 05000316/LER-1982-076, Forwards LER 82-076/03L-0 (← links)
- 05000315/LER-1982-076, Forwards LER 82-076/03L-0 (← links)
- 05000315/LER-1982-074, Forwards LER 82-074/03L-0 (← links)
- 05000315/LER-1982-071, Forwards LER 82-071/03L-0 (← links)
- 05000316/LER-1982-109, Forwards LER 82-109/03L-0 (← links)
- 05000316/LER-1982-069, Forwards LER 82-069/03L-0 (← links)
- 05000316/LER-1982-068, Forwards LER 82-068/03L-0 (← links)
- 05000316/LER-1982-067, Forwards LER 82-067/03L-0 (← links)
- 05000315/LER-1982-063, Forwards LER 82-063/03L-0 (← links)
- 05000315/LER-1982-060, Forwards LER 82-060/03L-0 (← links)
- 05000315/LER-1982-046, Forwards LER 82-046/03L-0 (← links)
- 05000316/LER-1982-050, Forwards LER 82-050/03L-0 (← links)
- 05000316/LER-1982-049, Forwards LER 82-049/03L-0 (← links)
- 05000315/LER-1982-057, Forwards LER 82-057/03L-0 (← links)
- 05000315/LER-1982-056, Forwards LER 82-056/03L-0 (← links)
- 05000315/LER-1982-055, Forwards LER 82-055/03L-0 (← links)
- 05000315/LER-1982-054, Forwards LER 82-054/03L-0 (← links)
- 05000316/LER-1982-058, Forwards LER 82-058/03L-0 (← links)
- 05000315/LER-1982-050, Forwards LER 82-050/03L-0 (← links)
- 05000316/LER-1982-055, Forwards LER 82-055/03L-0 (← links)
- 05000315/LER-1982-109, Forwards LER 82-109/03L-0 & 82-110/03L-0.LERs Previously Submitted Using 1983 Numbers 83-002/03L-0 & 83-001/03L-0, Respectively (← links)
- 05000316/LER-1982-116, Forwards LER 82-116/03L-0 & 82-117/01T-0.LERs Previously Submitted Using 1983 Numbers 83-001/03L-0 & 83-003/01T-0, Respectively (← links)
- 05000315/LER-1982-108, Forwards LER 82-108/03L-0 (← links)
- 05000316/LER-1982-095, Forwards LER 82-095/03L-0 (← links)
- 05000316/LER-1982-091, Forwards LER 82-091/03L-0 (← links)
- 05000316/LER-1982-088, Forwards LER 82-088/03L-0 (← links)
- 05000316/LER-1982-085, Forwards LER 82-085/03L-0 (← links)
- 05000315/LER-1982-096, Forwards LER 82-096/01T-0 (← links)
- 05000316/LER-1982-016, Forwards Updated LER 82-016/03X-1 & LERs 83-121/03L-0 & 83-122/03L-0 (← links)
- 05000316/LER-1982-022, Requests LER 82-022/01T-0 Be Rescinded (← links)
- 05000316/LER-1982-096, Forwards LER 82-096/01T-0 (← links)
- 05000315/LER-1982-075, Forwards LER 82-075/03L-0 (← links)
- 05000316/LER-1982-023, Forwards LER 82-023/03L-0 (← links)
- 05000315/LER-1982-111, Forwards LER 82-111/03L-0 (← links)
- 05000316/LER-1982-093, Forwards Updated LER 82-093/03X-1 (← links)
- 05000315/LER-1982-058, Forwards Updated LER 82-058/03X-1 (← links)
- 05000315/LER-1982-003, Corrected LER 82-003/04T-1:on 820115,unplanned Gas Release Detected by Elevated Vent Stack Monitor Reading.Exact Cause Undetermined.Helium Leak Testing of Waste Gas Sys Probable Cause.Test Procedure Changed (← links)
- 05000315/LER-1982-101, Forwards Updated LER 82-101/01X-1 (← links)
- 05000315/LER-1982-086, Forwards Updated LER 82-086/03X-1 & LERs 82-089/03L-0 & 82-090/03L-0 (← links)
- 05000316/LER-1982-064, Forwards Updated LER 82-064/03X-1 (← links)
- 05000316/LER-1982-113, Forwards Updated LER 82-113/01X-1 (← links)
- 05000316/LER-1982-106, Forwards Updated LER 82-106/03X-1 (← links)
- 05000315/LER-1982-024, Forwards Updated LER 82-024/03X-1 (← links)
- 05000315/LER-1982-048, Forwards LER 82-048/03L-0 & LER 82-049/03L-0 (← links)
- 05000315/LER-1982-010-04, /04T-1:on 820311 & 12,unplanned Gas Release of Approx 94.7 Ci Occurred W/O Sampling & Analysis Per Tech Specs.Caused by Lifting of Safety Valve 2-SV-38 at 63 Psi Below Correct Level of 140 Psi.Valve Replaced (← links)
- 05000316/LER-1982-003-01, /01X-1:on 820119,leak Discovered in Attachment Weld on Upstream Side of Suction Strainer for West Containment Spray Pump.Caused by Residual & High Cycle Alternating Stress.Design Change Initiated (← links)
- 05000316/LER-1982-114-03, /03X-1:on 821223,during Refueling Operations,Door 411B Would Not Close to Latched Position.Caused by Open Cable Vault Hatch.Cable Vault Fans Reoriented from Four Exhausts to Two Intakes & Two Exhausts (← links)
- 05000315/LER-1982-003-04, /04X-1:on 820115,unplanned Gas Release Detected by Elevated Vent Stack Gaseous Monitor Reading.Cause Undetermined.Procedure for Helium Gas Test Changed to Allow One Portion of Waste Gas to Be Tested (← links)
- 05000316/LER-1982-016-03, Pinhole Leak Discovered on Suction Strainer for West Containment Spray (CTS) Pump. Caused by Fatigue.Pinhole Removed by Grinding & Rewelding (← links)
- 05000316/LER-1982-096-01, /01T-0:on 821201,west Centrifugal Charging Pump Rendered Inoperable by Incorrect Cut on Mini Flow Line from Pump.Caused by Poor Communication Between Plant & Contractor.Cut Locations Will Be Verified Prior to Work (← links)
- 05000315/LER-1982-075-03, /03L-0:on 820817,while Verifying ECCS Subsys Flow Rates,Personnel Discovered Flow Rates Previously Established Based on Valve Position May Not Have Been within Tech Specs Limits.No Cause Stated.Improved Methodology Developed (← links)
- 05000316/LER-1982-023-03, /03L-0:on 820323,during Containment Spray Nozzle Air Flow Surveillance Test Three Spray Nozzles Found Obstructed.Caused by Duct Tape Over Two,W/Third Covered by Rubber Glove Held W/Tape.Obstructions Removed (← links)
- 05000316/LER-1982-022-01, /01T-0:on 820311,discovered Nonconformances to Amend 39 to Tech Specs Due to Receipt on 820327 W/Retroactive Effective Date of 820311.Operations Standing Order Issued Until Procedures Reflect Amended Tech Specs (← links)
- 05000315/LER-1982-111-03, During Normal Operation, Auxiliary Cable Vault Experienced Inadvertent Carbon Dioxide Discharge.Caused by Isolation of Main Carbon Dioxide Tank. Valve Isolating Tank Closed & Main Isolation Reopened (← links)
- 05000316/LER-1982-093-03, Following Unit Shutdown, RCS Dose Equivalent I-131 Concentration Exceeded Tech Spec Limit.Cause Not Stated.Fuel Shipping Performed During Refueling Outage to Identify Potential Leaking Assemblies (← links)
- 05000315/LER-1982-109-03, /03L-0:on 821223,operator Discovered One Intermediate Deck Door Frozen Shut.Caused by Plugged Drain Causing Ice to Build Up & Overflow in Air Handling Unit.Air Handling Unit Repaired (← links)
- 05000316/LER-1982-117-01, /01T-0:on 821222,five Relay Timers Exceeded Tolerance Allowed by Tech Spec.Caused by Instrument Drift. Timers Individually Retested.Two Timers Readjusted (← links)
- 05000316/LER-1982-116-03, /03L-0:on 821214,min Average Ice Weight of Sample Baskets from Radial Rows 7,8 & 9 Found Less than 1,220 Lb/ Basket at 95% Level of Confidence.Caused by Natural Sublimation.Ice Mass Added to Deficient Row Groups (← links)
- 05000316/LER-1982-118-03, /03L-0:on 821229,lower Containment Airborne Monitor ERS-2400 High Alarm Setpoint for Channel 2401 Left at Higher than Allowable Value During Functional Testing. Caused by Nonconservative Condition,Increasing Reading (← links)
- 05000315/LER-1982-108-03, /03L-0:on 821227,security Officer on Tour Found Carbon Dioxide Switch for 4-KV Switchgear Room in Isolate Position W/No Personnel in Room.Caused by Misunderstanding of Responsibility for Requesting Security Guard (← links)
- 05000315/LER-1982-103-03, /03L-0:on 821127,fire Door 387 at Entrance to Quadrant 2 of Auxiliary Bldg Around Containment Found in Nonconservative Configuration.Caused by Active Leaf of Double Doors Closing Before Inactive Leaf (← links)
- 05000315/LER-1982-102-03, /03L-0:on 821118,Pryralarm Fire Detector in Auxiliary Bldg Zone 2 Alarmed.Caused by Low Setpoint. Detector Assembly Cleaned,Verified & Returned to Svc. Setpoint Adjusted (← links)
- 05000316/LER-1982-095-03, /03L-0:on 821111,door to U-2 Cd Diesel Engine Fuel Oil Day Tank Room Designated as Tech Spec Related Fire Door Found Held Open.Cause Not Determined.Door Secured & Redesignated as nonsafety-related Fire Door (← links)
- 05000316/LER-1982-094-03, /03L-0:on 821122,during Mode 5 Operation,Rcs Temp Decreased Below Tech Spec Limit for Charging Pump Operation. Caused by Loss of Four Reactor Coolant Pumps & RHR Trains. Two of Three Pumps Racked Out (← links)
- 05000316/LER-1982-092-03, /03L-0:on 821109,during Normal Operation,Auxiliary Cable Vault (Zone 11) Experienced Inadvertent Carbon Dioxide Discharge & Pyralarm Detector Alarming.Caused by Water Entering Base.Detector & Base Replaced (← links)
- 05000316/LER-1982-091-03, /03L-0:on 821105,during Steam Generator Blowdown, Radiation Monitor R-19 Alarmed,Indicating Flow Continued Through Loop 1 Sample Valve DCR-301.Caused by Leakage Due to Valve Stroke Not Maintaining Positive Seat.Valve Replace (← links)
- 05000315/LER-1982-099-03, /03L-0:on 821025,during Mode 1,Channel 2 Lower Containment Pressure Indication (PPP-320) Found Reading Approx 1/2 Lb Higher than Other Channels.Caused by Water Collecting in Transmitter Junction Box Causing Corrosion (← links)
- 05000315/LER-1982-080-01, /01T-0:on 820923,discovered Analysis for Safety Injection Flow Water Temp Used Value of 70 F.Value of 80 F Used in Containment Spray Water Temp Analysis.Action Taken to Maintain Restorage Water Temp Above 80 F (← links)
- 05000315/LER-1982-088-03, /03L-0:on 820916,safety Valve Sv-1 for Steam Generator 3 Found Leaking.Cause Not Stated.Seat Leakage During Plant Heatup Not Uncommon.Leakage Stopped by Gagging Valve for Short Period of Time (← links)
- 05000315/LER-1982-087-03, /03L-0:on 820920,containment Gaseous Radiation Monitor Channel (ERS-1305) Failed High,Forcing Removal of Containment Air Particulate Monitor Channel from Svc.Caused by Defective I/O Card.Card Replaced (← links)
- 05000315/LER-1982-084-04, /04L-0:on 820912,unplanned Gas Release Detected by Elevated Vent Stack Gaseous Monitor.Caused by Leak on Waste Gas Oxygen Analyzer.Leak Repaired (← links)
- 05000315/LER-1982-085-03, /03L-0:on 820927,during Hot Standby Following Refueling,Steam Generator 2 Stop Dump Valve MRV-221 Removed from Svc.Caused by Need to Correct Seat Leakage.Valve Disc, Seat & Stem Replaced (← links)
- 05000315/LER-1982-083-03, /03L-0:on 820921,during Hot Standby Following Refueling,Leak Observed on Isolation Valve CS-422N. Caused by Failure of 2-inch Grinnell Grade M Diaphragm. Diaphragm Replaced (← links)
- 05000315/LER-1982-101-01, During Surveillance Test, Motor Operated Valve WMO-753 to West Turbine Driven Auxiliary Feed Pump Would Not Open.Caused by Valve & Exhaust Fan for Turbine Driven Auxiliary Feed Pump Room Malfunction (← links)
- 05000315/LER-1982-100-03, /03L-0:on 821105,during Normal Operation,Fire Door 437 Found Inoperable.Caused by Door Scraping on Stair Step.Clearance Between Door & Step Improved (← links)
- 05000316/LER-1982-090-03, /03L-0:on 821026,stem Leakage Discovered at Valve CS-386 in Boric Acid Makeup Sys.Caused by Hole in Diaphragm of Itt Grinnell 2-inch Valve.Cause of Hole Unknown. Diaphragm Replaced & Flow Path Returned to Svc (← links)
- 05000316/LER-1982-089-03, /03L-0:on 821027,fire Damper 2-HV-ACES-1 Failed to Close During Automatic Actuation of Carbon Dioxide Fire Protection Sys in Auxiliary Cable Vault.Caused by Failure of Guillotine Door to Close Due to Dent in Door.Door Repair (← links)
- 05000316/LER-1982-088-03, /03L-0:on 821029,containment Sample Isolation Valve ECR-21 Would Not Cycle.Caused by Defective Solenoid Coil.Coil Replaced (← links)
- 05000316/LER-1982-085-03, /03L-0:on 821021,two Styluses on Containment Sump Level & Flow Monitoring Recorder Inoperable.Caused by Binding of Recorder Mechanism Causing Styluses to Remain in Slightly Raised Position (← links)
- 05000315/LER-1982-096-01, /01T-0:on 821027,Pyralarm Detector Alarmed for No Apparent Reason.Caused by Low Setpoint on Alarm.Fire Watch Established & Setpoint Adjusted to Proper Value.Annunciator Response Procedures Changed (← links)
- 05000316/LER-1982-084-03, /03L-0:on 821012 & 15,isolation Switch for Low Pressure Carbon Dioxide Sys in Penetration Cable Tunnel, Quadrant 2,discovered in Isolate Position W/O Posted Continuous Fire Watch.Caused by Noncompliance W/Procedure (← links)
- 05000315/LER-1982-093-03, /03L-0:on 821006,fire Protection Sys Job Orders Indicated Fire Doors & Fire Dampers Protecting safety- Related Areas Were Not Documented as Having Operability Restored Following Repairs.Caused by Personnel Oversight (← links)
- 05000315/LER-1982-094-03, /03L-0:on 821007,west Component Cooling Water HX Essential Svc Water Discharge valve,WMO-737,removed from Svc Due to Leakage.Caused by Failure of H Pratt 16-inch Butterfly Valve (← links)
- 05000316/LER-1982-082-03, LER-082/03L-0:on 821007,during Test on Fire Protection Carbon Dioxide Sys,Weld Leak Developed on One Leg of 4-inch Tee Fitting.Caused by Defective Weld.Weld Repaired & Inspected (← links)
- 05000316/LER-1982-081-03, /03L-0:on 820930,during Operation,Leak Discovered on Drain Line for Main Feedwater to Number 1 Steam Generator.Caused by Slag Deposits.Weld Ground Out & Drain Line Replaced (← links)
- 05000316/LER-1982-079-03, /03L-0:on 820930,following Unit Shutdown RCS Dose Equivalent I-131 Concentration Exceeded steady-state Tech Spec Limit.Caused by Leaking Fuel Assemblies.Fuel Sipping Will Be Performed During Upcoming Refueling Outage (← links)
- 05000315/LER-1982-092-03, /03L-0:on 821002,protection Set 4 Bistables for Over Temp Delta T & Overpressure Delta T Tripped.Caused by Isolation Amplifier Sensitive to Vibration.Amplifier Replaced & Channel 4 Power Range Verified (← links)
- 05000315/LER-1982-091-03, /03L-0:on 820928,during Containment Entry, Equalizing Valve on Inner Door of Lower Containment Personnel Airlock Found Leaking.Caused by Loose Adjusting Nut.Nut Replaced & Valve Adjusted.Door Returned to Svc (← links)
- 05000315/LER-1982-090-03, /03L-0:on 821012,during Routine Surveillance,High Vibration Discovered at South Safety Injection Pump.Cause Not Stated.Shaft Straightened,Impellers Balanced,Spacer Sleeve,Locknut & Impeller Hubs Lapped & Motor Realigned (← links)
- 05000315/LER-1982-089-03, /03L-0:on 821005,during Routine Testing,Roll Up Fire Door 345 at Transformer Switchgear Room Did Not Close. No Mechanical Problems Discovered.No Further Action Planned (← links)
- 05000316/LER-1982-083-03, /03L-0:on 820930,MMO-240 Found to Have Steam Leak Through Packing.Cause undetermined.MMO-240 Backseated to Isolate Steam from Packing.Valve Repacked & Returned to Svc (← links)
- 05000316/LER-1982-080-03, /03L-0:on 820909,west Component Cooling Water HX Outlet Valve CMO-420 Removed from Svc Due to Leak.Caused by Elastomer Seat Being Pulled Loosed from Valve Body.Valves Returned to Manufacturer (← links)
- 05000315/LER-1982-082-03, /03L-0:on 820908,low Pressure Carbon Dioxide Sys for AB Diesel Generator Room Discovered Isolated W/No Fire Watch Posted,Contrary to Tech Specs.Responsible Individual Undetermined.Personnel Trained in Fire Door (← links)
- 05000315/LER-1982-081-03, /03L-0:on 820908,during Routine Turbine Bldg Tour, Operator Discovered Cd Diesel Room Carbon Dioxide (CO2) Sys Isolated W/No Names on Entry Board & No Personnel in Room. Caused by Personnel Error.Proper Use of CO2 Sys Discus (← links)
- 05000316/LER-1982-076-03, /03L-0:on 820915,discovered Diesel Room AB Carbon Dioxide Sys Isolated W/No Personnel in Room.Cause Not Stated.Signs Posted Cautioning Personnel to Restore Carbon Dioxide Sys When Exiting.Administrative Action Taken (← links)
- 05000315/LER-1982-079-01, /01T-0:on 820915,during Low Power Physics Testing Program Following End of Cycle 6 Refueling,Unit Entered Mode 2 W/Overpower & Overtemp delta-T Bistable in Nonconservative Configuration.Caused by Unclear Procedure (← links)
- 05000316/LER-1982-075-03, /03L-0:on 820824,following Reactor Trip,Rcs Dose Equivalent & I-131 Concentration Exceeded 1.0 Uci/G Steady State Limit.Caused by Inadvertent Removal from Svc of Chemical & Vol Control Sys Mixed Bed Demineralizer (← links)
- 05000316/LER-1982-072-03, /03L-0:on 820824,reactor Trip Occurred as Result of Failure in 120-volt Ac Vital Bus.Caused by Burned Out Resistor (R1) & Diode (D1) on Oscillator Board & Associated Fuse.Oscillator Board & Fuse Replaced (← links)
- 05000316/LER-1982-064-03, Loop 3 Overtemp Delta-T Trip Setpoint Found High.Caused by Setpoint Drift. New Module Installed,Calibr & Verified Operational.Loop Returned to Svc (← links)
- 05000315/LER-1982-078-03, /03L-0:on 820825,unplanned Gas Release Detected by Vent Stack Gaseous Monitor R-26 Reading.Caused by Water Overflowing from Liquid Waste Holdup Tanks Into Room Vents & Vent Sys (← links)
- 05000315/LER-1982-076-03, /03L-0:on 820823,inverter for Emergency Diesel Generator 4B Failed,Leaving Only Centrifugal Charging Pump in Svc W/O Emergency Power Supply.Cause Not Stated.Charging Pump Shifted & Inverter Repaired (← links)
- 05000315/LER-1982-074-03, /03L-0:on 820816,during Refueling,Source Range Neutron Flux Monitor Audible Indication in Containment Could Not Be Distinguished to Provide Meaningful Indication of Count Rate Signal.Caused by Audio Multiplier Set Too High (← links)
- 05000315/LER-1982-073-03, /03L-0:on 820831,fire Door 373 Found Unable to Latch During Refueling Operations.Probably Caused by Misalignment of Inactive Leaf within Frame.Leaf Realigned by Shimming to Improve Flush Bolt Engagement (← links)
- 05000315/LER-1982-072-03, /03L-0:on 820817,min Average Ice Weight of Sample Baskets from Radial Rows 8 & 9 Found to Be Less than 1,220 1b/basket at 95% Confidence Level.Apparently Caused by Natural Sublimation.Ice Mass Added to Lacking Row Groups (← links)
- 05000316/LER-1982-074-03, /03L-0:on 820823,contractor Craftsman Failed to Return Carbon Dioxide Isolation Switch to Normal Upon Exiting Last Room,Rendering Fire Detection Sys Inoperable. Caused by Personnel Error.Sys Returned to Normal (← links)
- 05000316/LER-1982-073-03, /03L-0:on 820820,paper Drive Mechanism for Containment Air Particulate Sys Failed.Containment Gaseous Detector Declared Inoperable.Caused by Slipped Spool on Paper Takeup Reel.Spool & Paper Takeup Reel Realigned (← links)
- 05000315/LER-1982-071-03, /03L-0:on 820809,after Entering Mode 6,w/reactor Cavity Flooded,Routine Analysis of RCS Indicated Chloride Concentration of 0.2 Ppm.Caused by Chloride Contamination in Transfer Canal or Excessive Level in Spent Fuel Pit (← links)
- 05000316/LER-1982-106-03, During Surveillance testing,4 Kv Circuit Breaker 2C4 Found W/Inoperable anti- Pump Circuit.Caused by Malfunction of 250-volt Dc Control Device Due to Open Circuit on anti-pump Coil (← links)
- 05000316/LER-1982-109-03, /03L-0:on 821209,reactor Coolant Loop High Level Alarm Received.Investigation Showed That West RHR Pump Breaker Had Tripped.Cause Unknown.Pump Restarted (← links)
- 05000316/LER-1982-108-03, /03L-0:on 821216,during Testing on Diesel Generator Load Shedding relays,4-kV Bus Degraded Voltage Relays 27-T21A-1,27-T21D-2 & 27-T21D-3 Found Exceeding Tech Spec Limit.Caused by Instrument Drift.Relays Readjusted (← links)
- 05000316/LER-1982-107-03, /03L-0:on 821207,AB Diesel Generator Removed from Svc to Repair Small Fuel Oil Leak Resulting in Inability of Operable Charging Pump to Be Fed from Emergency Power Source.Cause Undetermined.Pump Fuel Line & Fitting Replaced (← links)
- 05000316/LER-1982-105-04, /04L-0:on 821204,following Sludge on Steam Generator 21,sludge Lance Lines Found Connected to East Blowdown Demineralizer,Releasing Unmonitored 200 Gallons. Procedures Misunderstood.Procedures Will Be Revised (← links)
- 05000316/LER-1982-104-03, /03L-0:on 821206,relay Timer Associated w/4 Kv Bus Degraded Voltage Exceeded Allowable Value of 2 Minutes & 6 by 3.1 S.Caused by Instrument Drift.Timer Adjusted (← links)
- 05000315/LER-1982-024-03, 1-HV-AES-1 of ESF Ventilation Sys Returned to Svc W/O Completing Testing Required by Tech Specs.Incident Repeated on 820419.Caused by Personnel Errors & Procedural Inadequacies (← links)
- 05000316/LER-1982-071-03, /03L-0:on 820809,during Outage,Operators Switched from West to East Centrifugal Charging Pump.Charging Pumps Shifted Prior to Removing AB Diesel Generator from Svc to Replace Diaphragm in Quick Exhaust Valve (← links)
- 05000316/LER-1982-070-03, /03L-0:on 820810,while Performing QA Tour of Auxiliary Bldg,Hole Noticed in Fire Seal W-7292,rendering Seal Nonfunctional.Cause Unknown.Seal Restored to Functional Status (← links)
- 05000315/LER-1982-068-03, /03L-0:on 820817,4-kV Switchgear Room Cardox Sys Isolated W/No Names on Entry Board & No Personnel in Room. Caused by Personnel Error.Technician Had Erased Name But Failed to Return Carbon Dioxide Switch to Normal (← links)
- 05000315/LER-1982-067-03, /03L-0:on 820816,fire Door 373 Would Not Latch. Caused by Loose & Missing Screws.Screws Replaced/Tightened & Staked.Insp Procedure Changed to Require Staking of All Screws in Doors & Associated Hardware (← links)
- 05000315/LER-1982-066-03, /03L-0:on 820805,surface Cracks Discovered in Two Portions of Divider Barrier Seal.Cause Could Not Be Determined.Affected Portions of Seal Replaced W/Uniroyal H300.Matl Replaced in Areas Similar to Cracked Areas (← links)
- 05000315/LER-1982-065-03, /03L-0:on 820804,containment Area Monitor R-2 Trip Alarm Setpoint Set Above Tech Spec Limits to Free Fuel Assembly Caught on Containment Upender Cable.Caused by Conscious Decision to Violate Tech Specs (← links)
- 05000315/LER-1982-064-03, /03L-0:on 820803,fire Doors 460 & 462 of 4-kV Switchgear Room Found Open W/Doors Blocked by Air Hose. Caused by Personnel Error.Hose Removed.Training Conducted & Need to Comply W/Posted Requirements Emphasized (← links)
- 05000315/LER-1982-070-03, /03L-0:on 820810,during Surveillance Test, Discovered Relay Timer for RHR Pump 1E Would Not Reset Properly.Caused by Misaligned Switch Assembly & Plunger. Assembly & Plunger Realigned & Timer Reinstalled (← links)
- 05000315/LER-1982-069-03, /03L-0:on 820804,fire Seal W-7006 Found to Contain Less than Required Foam Sealant.Caused by Improperly Installed Seal.Repairs Made (← links)
- 05000316/LER-1982-069-03, /03L-0:on 820816,fire Door 374 Latch Discovered Inoperable During Cold Shutdown.Caused by Loose & Missing Screws.Screws Replaced,Tightened & Staked.Insp Procedure Changed to Require Staking of Screws in Doors & Hardware (← links)
- 05000316/LER-1982-068-03, /03L-0:on 820801,overpressure Protection Sys Channel Functional Test on Power Operated Relief Valve Actuation Channel Not Performed as Required.Caused by Personnel Error.New Procedure Approved (← links)
- 05000316/LER-1982-067-03, /03L-0:on 820801,following Unit Shutdown,Rcs Dose Equivalent I-131 Concentration Exceeded steady-state Limit of Tech Spec 3.4.8.Cause Not Stated.Fuel Burnup by Region & Addl Data Encl (← links)
- 05000315/LER-1982-063-03, /03L-0:on 820730,during Surveillance Test on Diesel Generator Load Shedding Relays,Six GE Model NGV-13b 4-kV Bus Degraded Voltage Relays Exceeded Tech Spec Tolerance.Caused by Instrument Drift.Relays Readjusted (← links)
- 05000315/LER-1982-062-03, /03L-0:on 820728,during Refueling,Fire Door 415, Connecting Control Rooms,Would Not Fully Close on Two Occasions.Caused by Increased Ventilation Flow,Due to Unit 2 Open Cable Vault Door.Closure Mechanism Adjusted (← links)
- 05000316/LER-1982-065-03, /03L-0:on 820729,fire Door 388 to Quadrant 2 of Reactor Cable Tunnel Found Ajar & Would Not Latch Due to Bent Inactive Leaf Automatic Thrust Pins.Cause Not Determined.Pins Repaired (← links)
- 05000315/LER-1982-060-03, /03L-0:on 820723,while Shutdown for Refueling, Emergency Diesel Generator Rendered Inoperable When Motor Operated Valves on Cooling Water Supply Closed & Power Supply Removed.Caused by Supervisor Error (← links)
- 05000315/LER-1982-046-03, /03L-0:on 820604,during Monthly Surveillance Testing,Centrifugal Charging Pump 1E Produced Excessive Vibration,Although Flow Rates Met Acceptance Criteria.Cause Unknown.Pump Rotating Assembly Replaced (← links)
- 05000316/LER-1982-050-03, /03L-0:on 820601,outer Air Lock Door to Upper Containment Found Open.Possibly Caused by Ack of Remote Annunciator.Design Change to Move Door Unlatched Alarms Into Control Room Considered (← links)
- 05000316/LER-1982-049-03, /03L-0:on 820603,two Fire Doors Blocked Open & Unattended Contrary to Tech Specs.Caused by Welding Cables Left Unattended.Cables Removed.Training Conducted (← links)
- 05000315/LER-1982-059-03, /03L-0:on 820720,two 4-kv Loss of Voltage Relays, 27-1-T11A & 27-2-T-11A Exceeded Tech Spec Tolerances.Caused by Instrument Drift.Diesel Generator Load Shedding Relays Readjusted to within Allowable Limits (← links)
- 05000316/LER-1982-063-03, /03L-0:on 820720,starting Time for 2-HV-CEQ-2 Fan Exceeded Tech Spec Tolerance.Caused by Instrument Repeatability Characteristics.Fan Retested Several Times within Allowable Limits (← links)
- 05000316/LER-1982-062-03, /03L-0:on 820719,carbon Dioxide Isolation Switch for Cd Diesel Generator Room Discovered in Isolate Position W/No Personnel in Area & No Fire Watch Posted.Caused by Personnel Error.Sys Returned to Normal (← links)
- 05000315/LER-1982-056-03, /03L-0:on 820717,during Surveillance Test of Automatic Load Sequence Timing Relays,Three Relay Timers Exceeded Allowable Tolerance.Caused by Instrument Drift. Timers Adjusted.Use of New Solid State Relay Under Review (← links)
- 05000316/LER-1982-061-03, /03L-0:on 820717,while Performing Operability Test,Neither Fuel Oil Transfer Pump for Cd Emergency Diesel Generator Would Pump Fuel Oil to Day Tank.Caused by Failure of Nonoperating Pump Discharge Check Valve to Seat Properl (← links)
- 05000316/LER-1982-060-03, /03L-0:on 820717,during Normal Operation,Train a Heaters for Boron Injection Tank Declared Inoperable While Heater Controls Were Repaired.Caused by Faulty Resistance to Current Converter (R/I).Converter Replaced (← links)
- 05000315/LER-1982-055-03, /03L-0:on 820708 & 09,fire Seals F-8195,W-3061 & W-3082 Discovered to Be in Degraded Condition.Fire Watches Posted.Cause Unknown.Penetration Fire Barrier Seals Restored to Functional Status (← links)
- 05000315/LER-1982-054-03, /03L-0:on 820709,during Operation of Diesel Generator Ab,Auto Voltage Regulator Was Not Functioning Properly & Exciter Field Overload Relay Tripped.Caused by Failed Auto Voltage Regulator Card.Relay Reset (← links)
- 05000315/LER-1982-052-03, /03L-0:on 820706,during Surveillance Test on Automatic Load Sequence Timing Relays,Four Timers Were Not Functioning Properly & Exceeded Max Tolerance.Caused by Relay Timer Not Being Repeatable.Timer Replaced (← links)
- 05000315/LER-1982-051-03, /03L-0:on 820709,during Surveillance Test of Diesel Generator Load Shedding Relays,Degraded Voltage Relay 27-3-T11C Actuated at Voltage in Excess of Tech Spec.Caused by Instrument Drift.Load Shedding Relay Readjusted (← links)
- 05000316/LER-1982-058-03, /03L-0:on 820629,carbon Dioxide Sys Forquadrant 2 Reactor Cable Tunnel Area Was Isolated & Fire Door Blocked Open W/O Fire Watch Posted.Compliance W/Fire Protection Requirements Emphasized (← links)
- 05000315/LER-1982-050-03, /03L-0:on 820707,containment Isolation Valve ECR-32 for Containment Air Participation Detector Failed to Close from Control Room Switch.Caused by Defective Solenoid Valve Mfg by Asco.Valve Repaired (← links)
- 05000316/LER-1982-055-03, /03L-0:on 820628,during Normal Operation,Train B Bit Heaters Discovered W/Thermal Overload Tripped & Declared Inoperable.Caused by Shorted Chromalox TH-18 Heater.Heater Replaced & Train Declared Operable.Reason for Short Unk (← links)
- 05000315/LER-1982-049-03, /03L-0:on 820617,operator Discovered 4-kV Switch Gear Carbon Dioxide Sys Isolated W/O Personnel Listed on Entry Board.Caused by Frequent Entry & Exit of Personnel. Training Film Prepared (← links)
- 05000315/LER-1982-048-03, /03L-0:on 820623,component Cooling Water W/Heat Exchanger Essential Svc Water Discharge Valve Would Not Close Electrically.Caused by Shaft Binding in Stuffing Box Bore Below Packing Due to Corrosion (← links)
- 05000316/LER-1982-053-03, /03L-0:on 820621,operator Discovered Safety Stop Pins in Tracks of Door 314,pressurizer Heaters Transformer Room Overhead Door.Caused by Irresponsible Individual.Pins Removed Immediately (← links)
- 05000315/LER-1982-053-03, /03L-0:on 820702,ladder Found in Doorway of Fire Door Between AB & Cd 600-volt Bus Areas,Rendering Fire Barrier Inoperable.Investigation Did Not Reveal Person Responsible.Ladder Removed.Training to Be Increased (← links)
- 05000316/LER-1982-059-03, /03L-0:on 820709,flowpath from Boric Acid Tanks Via Boric Acid Transfer & Charging Pumps to RCS Isolated for 38 Minutes to Repair Leaking Isolation Valve CS-485.Caused by Diaphragm Failure.Valve Diaphragm & Bonnet Replaced (← links)
- 05000315/LER-1982-047-03, /03L-0:on 820622,discovered That Containment Equipment Hatch Double Resilient Seals on Ring Body Flange Had Not Been Type B Leak Tested Since June 1979.Caused by Testing Not Being Included in Existing Procedures (← links)
- 05000316/LER-1982-051-03, /03L-0:on 820622,double Resilient Seals on Ring Body Flange & Lock Cover Flange Discovered Not Type B Leak Rate Tested.Caused by Seals Not Being Included in Existing Surveillance Procedure (← links)
- 05000316/LER-1982-052-03, /03L-0:on 820611,work Bench Found Obstructing Path for Rollup Fire Door Between Two 600-volt Switchgear Areas. Personnel Responsible Not Located.Work Bench Removed.Video Film Being Prepared to Increase Awareness of Requireme (← links)
- 05000315/LER-1982-043-03, /03L-0:on 820523 & 24,1-WMO-702,W Essential Svc Water Discharge Valve,Failed to Operate During Surveillance Test.Caused by Buildup of Corrosion Products.Model PR20 150B (Drawing 5-6073) Replaced W/Pratt Valve (← links)
- 05000315/LER-1982-045-03, /03L-0:on 820528,security Officer Discovered Low Pressure Carbon Dioxide Sys for Auxiliary Cable Vault Isolated W/O Personnel on Duty.Caused by Personnel Error. Need for Full Compliance W/Fire Protection Emphasized (← links)
- 05000315/LER-1982-044-03, /03L-0:on 820526,security Personnel Discovered AB Emergency Diesel Generator Carbon Dioxide Sys Isolated,No Names on Entry Board & No Personnel in Room.Caused by Personnel Error.Administrative Action Taken (← links)
- 05000316/LER-1982-048-03, /03L-0:on 820524,safety Stop Pin in Track of Pressurizer Heater Transformer Room Overhead Door Discovered.Caused by Personnel Error.Pin Removed.Ltr Sent to All Personnel Re Proper Use of Pins (← links)
- 05000316/LER-1982-047-03, /03L-0:on 820603,insp Revealed That Installation of Valve Control 2-ABV-A Did Not Conform to Design Drawing. Caused by Inadequate Installation During Const.Emergency Mod Initiated (← links)
- 05000316/LER-1982-046-03, /03L-0:on 820520,west Centrifugal Charging Pump Removed from Svc to Repair Leaking 1/2-inch Threaded Seal Water Line Elbow at Inboard Mechanical Seal Hx.Cause of Leak Undetermined.Fitting Removed & Threads Cleaned (← links)
- 05000315/LER-1982-042-03, /03L-0:on 820524,during Operation,Containment Air Particulate Radiation Monitoring Sys (R-11) Found Operating Erratically.Caused by High Ac Ripple on Low Voltage Dc Power Sys.Low Voltage Dc Power Sys Replaced (← links)
- 05000315/LER-1982-041-03, /03L-0:on 820520,during Normal Startup,Feedwater Isolation Valve FMO-202 Failed While Being Utilized to Regulate Feedwater Flow.Caused by Heat Buildup Due to Frequent Cycling.Stem Nut & Motor Replaced (← links)
- 05000315/LER-1982-040-03, /03L-0:on 820521,operator Discovered Fire Door 367 to Nuclear Sampling Room Would Not Close Properly.Caused by 3 of 4 Screws Missing from Sequencer for Double Doors. Sequencer Securely Fastened to Frame (← links)
- 05000315/LER-1982-039-01, /01T-0:on 820601,during Monthly Insp of Eccs,Boron Injection Tank Isolation Valve Cycled W/Recirculation Valve Open.Caused by Personnel Error.Procedure Revised & Appropriate Administrative Action Taken (← links)
- 05000315/LER-1982-038-03, /03L-0:on 820514,during Routine Plant Tour,Fire Door W/No Latching or Closure Device Discovered.Caused by Personnel Error.Fire Watch re-established & Maintained Until Devices Installed & Door Declared Operable (← links)
- 05000315/LER-1982-037-03, /03L-0:on 820520,emergency Diesel Generator Room Cardox Sys Found Isolated W/No Names on Entry Board.Caused by Personnel Error.Incident Will Be Reviewed by Operations Dept Personnel to Emphasize Seriousness of Event (← links)
- 05000316/LER-1982-045-03, /03L-0:on 820513,during Normal Operation,Operator Noted Fire Door 461 Would Not Latch Properly Due to Loose Latch Cover.Caused by Screws Used to Secure Cover in Place Falling Out.New Screws Installed (← links)
- 05000316/LER-1982-044-03, /03L-0:on 820512,during Surveillance Testing,Loss of Bistable FB-445A Setpoint for Loop 4 Reactor Coolant Detected.Caused by Instrument Setpoint Drift.Model 63U-AC-OHAAF Replaced,Calibr & Returned to Svc (← links)
- 05000315/LER-1982-017-03, /03L-0:on 820320,during Normal Operation,Number 4 S/G Stop Valve Dump valves,MRV-241 & MRV-242 Removed from Svc to Repair Seat Leakage.Stem Disc,Seat Ring & Gaskets Replaced in Each Fisher Style 657 EAS Valve (← links)
- 05000316/LER-1982-021-03, /03L-0:on 820315,while in Mode 5,surveillance Testing of ESF Ventilation Sys Filter Train (HV-AES-2) Revealed One HEPA Filter Did Not Meet Air Flow Distribution Criteria.New Filters Installed (← links)
- 05000315/LER-1982-033-03, /03L-0:on 820510,operator on Tour Discovered That Fire Door 226 Would Not Fully Close.Caused by Insufficient Closure Mechanism Against Flow of Thermostatically Controlled Ventilation Supply Fan.Addl Mechanism Added (← links)
- 05000315/LER-1982-032-03, /03L-0:on 820518,fire Hose Station 33 Near Emergency Diesel Generator Rooms Access Removed from Svc to Replace Leaking Drain Valve.Seat Leakage Caused by Normal Wear.Drain Valve Replaced (← links)
- 05000315/LER-1982-031-03, /03L-0:on 820510,operator on Tour Discovered That Fire Door 227 Would Not Latch.Caused by Slight Misalignment Between Latch & Latch Plate.Latch Plate Adjusted & Door Operated Satisfactorily (← links)
- 05000315/LER-1982-035-03, /03L-0:on 820507 & 10,fire Detector 1-HV Acrf Charcoal Filter Instrumentation Declared Inoperable to Troubleshoot & Repair Automatic Reset Function on Fire Detection Actuation Sys.Caused by Defective Transistor (← links)
- 05000315/LER-1982-034-03, /03L-0:on 820508,operator Discovered Safety Stop Pin in Track of Pressurizer Heaters Transformer Room Overhead Door.Caused by Pin Not Being Removed Upon Exit by Unknown Personnel.Pin Immediately Removed (← links)
- 05000315/LER-1982-029-03, /03L-0:on 820503,during Surveillance Test,Low Pressure Alarm XPA-152 for Emergency Air Supply to NRV-152 Actuated at Less than 900 Psig.Caused by Faulty Calibr. Setpoint Increased (← links)
- 05000315/LER-1982-028-03, /03L-0:on 820429,during Power Ascension Loop,One Wide Range RCS Pressure indication,NPS-122,failed High. Replacement Read Low on 820523.Caused by Open Stain Gauge & Faulty Calibr,Respectively (← links)
- 05000315/LER-1982-027-01, /01T-0:on 820511,during Design Change Review, Piping at Containment Air Sampling Penetrations Discovered Overstressed Due to Addition of Padlocks & Chains.Padlocks & Chains Replaced W/Lightweight Seals (← links)
- 05000316/LER-1982-040-01, /01T-0:on 820511,during Design Change Review, Piping at Containment Air Sampling Penetrations Discovered Overstressed Due to Addition of Padlocks & Chains.Padlocks & Chains Replaced W/Lightweight Seals (← links)
- 05000316/LER-1982-039-03, /03L-0:on 820424,low Flow Alarm Would Not Clear After Containment Air Particulate & Gaseous Radiation Monitor Sys (R-11/R-12) Sample Pump Stopped to Perform Required Sampling.Pump & Flowmeter Replaced (← links)
- 05000316/LER-1982-038-03, /03L-0:on 820420,steam Generator 3 Stop Valve Dump Valve MRV-232 Removed from Svc to Repair Seat Leakage, Leading to Valve in Less Conservative Configuration than Tech Spec Reqquirement.Seat Ring Replaced (← links)
- 05000315/LER-1982-026-03, /03L-0:on 820419,fire Door 517 Found Blocked Open & Latch Taped to Prevent Latch from Working.Caused by Const Personnel Opening Door for Ventilation.Blockage & Tape Removed.Importance of Fire Foors Stressed (← links)
- 05000315/LER-1982-026, Forwards LER 82-026/03L-0 (← links)
- 05000315/LER-1982-023-03, /03L-0:on 820416,west motor-driven Auxiliary Feed Pump Removed from Svc to Repair Emergency Leakoff Line Check Valve FW-160.Check Valve Not Seated Tightly.Seat Lapped & Plug Conval Part 5F-316 Replaced.Mod Initiated (← links)
- 05000315/LER-1982-022-03, /03L-0:on 820413,fuseable Link & Automatic Closure Mechanism Discovered Broken on Fire Door 373.Exact Cause Undetermined.Some Type of Force Appeared to Have Been Applied to Door Causing Breakage (← links)
- 05000316/LER-1982-037-03, /03L-0:on 820423,while Establishing Clearance to Repair Valve,Flow Path from Boric Acid Tanks to Charging Pumps Suction Removed from Svc.Caused by Failed Diaphragm on Filter Isolation Valve.New Diaphragm Installed (← links)
- 05000316/LER-1982-036-03, /03L-0:on 820422,flow Path from Bast to RCS Isolated in Order to Unplug Bast Recirculation Line.Caused by Repair to Boric Acid Recirculation Line Due to Pluggage. Line Unplugged & Flow Path Restored (← links)
- 05000316/LER-1982-035-03, /03L-0:on 820413,flow Path from Boric Acid Transfer Pumps to Charging Pump Suction Isolated to Enable Repairs on Flow Instrument Isolation Valve Cs-486.Valve Leak Caused by Diaphragm Failure.Diaphragm Replaced (← links)
- 05000315/LER-1982-025-03, /03L-0:on 820416,containment Isolation Valve ECR-32 for Containment Air Particulate Detector Would Not Close During Sampling.Loose Bonnet Screws Caused Solenoid Vent to Become Blocked.Mounting Screws Tightened (← links)
- 05000316/LER-1982-034-03, /03L-0:on 820412,during Normal Operation,Test of Control Room Emergency Ventilation Sys Found That Air Flow Was 7,370 Cfm for 2-ACRF-1.Caused by Lack of Procedure to Verify Airflow After Prefilter Changes.Procedure Modified (← links)
- 05000316/LER-1982-034, Forwards LER 82-034/03L-0 (← links)
- 05000316/LER-1982-033-03, /03L-0:on 820412,west Centrifugal Charging Pump Removed from Svc to Repair Sticking Check Valve T14 in Auxiliary Oil Pump Discharge Line.Sticking Caused by Bent Guide Finger.Guide Finger Straightened (← links)
- 05000316/LER-1982-033, Forwards LER 82-033/03L-0 (← links)
- 05000316/LER-1982-031-03, /03L-0:on 820330,during Preventive Maint Insp,Roll Up Fire Door 314 Would Not Close Upon Automatic Closure Activation.Caused by Adjusting Wheel Rivets Missing from Automatic Closure Mechanism.Discharge Spring Adjusted (← links)
- 05000316/LER-1982-030-03, /03L-0:on 820401,both Steam Generator 1 Stop Valve Dump Valves Were Isolated at Same Time.Caused by Incorrect Orientation of Selector Valve MMO-210 During Initial installation.MMO-210 Will Be Reinstalled (← links)
- 05000316/LER-1982-029-03, /03L-0:on 820330,during Startup,Steam Generator 3 Stop Valve MRV-230 Pillar Stem Wipers Found Displaced from Bearing Assemblies.Caused by Nonparallel Alignment of Pillars.Split Ring Retainers Fabricated & Welded (← links)
- 05000316/LER-1982-028-04, /04L-0:on 820404,flow Indicator SFR-201 for Turbine Gland Seal Leakoff Failed High.Caused by Excessive Moisture on Sensing Element.Moisture Removed,Probe Reinstalled & Indicator Returned to Svc (← links)
- 05000316/LER-1982-028, Forwards LER 82-028/04L-0 (← links)
- 05000315/LER-1982-019-03, /03L-0:on 820401,discovered Recorder 1-CS-001 Used for Containment Sump Flow Monitoring Had Not Been Indicating for Approx 12-h.Caused by Dirty Recorder Pan Heater Rheostat.Rheostat Cleaned (← links)
- 05000315/LER-1982-019, Forwards LER 82-019/03L-0 (← links)
- 05000315/LER-1982-018-03, /03L-0:on 820329,containment Hydrogen Sample Valves ECR-10,-11,-13,-21 & -23 Failed to Open.Caused by Two Open Solenoid Coils,Mfg by Asco,Model 103-834-2. Solenoids Replaced,Valves Timed & Returned to Svc (← links)
- 05000315/LER-1982-018, Forwards LER 82-018/03L-0 (← links)
- 05000316/LER-1982-032-03, /03L-0:on 820402,east Central Charging Pump Isolated on Two Occasions.Caused by Repair Effort to Locate Source of Airborne Radioactivity in Auxiliary Bldg.Partially Caused by Pump Inboard Mechanical Seal Leak (← links)
- 05000316/LER-1982-032, Forwards LER 82-032/03L-0 (← links)
- 05000316/LER-1982-027-03, /03L-0:on 820330,w/RCS in Mode 3,containment Air Particulate & Gaseous Radiation Monitoring Sys (R-11/R-12) Sample Pump Tripped on Low Flow.Apparently Caused by Wearing in or Seating of Sample Pump Carbon Vanes (← links)
- 05000316/LER-1982-026-03, /03L-0:on 820401,during Return to 100% Power Following Outage,West Feed Pump Turbine Tripped Requiring Rapid Power Reduction Causing Pressurizer Pressure to Drop Below Tech Spec Requirements (← links)
- 05000316/LER-1982-025-03, /03L-0:on 820326,min Average Ice Weight of Sample Baskets from Radial Rows 8 & 9 Group 2 Found to Be Less than 1,220 Lb/Basket at 95% Level of Confidence.Caused by Migration of Ice Mass Away from Crane Wall.Ice Mass Added (← links)
- 05000316/LER-1982-024-03, /03L-0:on 820325,roll-up Fire Door 344 Would Not Close Upon Automatic Closure Activation.Caused by Discharge Spring Torquing Mechanism Being Assembled W/Oversized Traveling Link.Spiral & Traveling Link Replaced (← links)
- 05000315/LER-1982-021-03, /03L-0:on 820412,during Normal Operation,Control Room Emergency Ventilation Sys Air Flows Found to Be 7320 Cfm for 1-ACRF-1 & 7400 Cfm for 1-ACRF-2.Caused by Procedure Error During Filter Change in Aug 1981.Procedure Modifie (← links)
- 05000315/LER-1982-021, Forwards LER 82-021/03L-0 (← links)
- 05000315/LER-1982-020-99, /99L-0:on 820414,valve Z-RV-18,fire Protection Water to Spent Fuel Storage Pool Exhaust Unit 12-HV-AFX Charcoal Filter,Failed to Open.Caused by Malfunctioning Delay Circuit Capacitor.Capacitor Replaced (← links)
- 05000315/LER-1982-020, Forwards LER 82-020/99L-0 (← links)
- 05000315/LER-1982-015-03, /03L-0:on 820305,during Power Increase,Turbine Would Not Accept Addl Load at 46%.Turbine Runback Occurred. Caused by Problems in Initial Pressure Limiter Circuits. Circuitry Removed from Control Sys B (← links)
- 05000315/LER-1982-014-03, /03L-0:on 820305,during Reactor Trip Coincident W/Low Tavg,Feedwater Isolation Valve FMO-203 Failed to Close.Caused by Buildup of Corrosion Products within Limitorque Actuator Connection Box.Contacts Cleaned (← links)
- 05000316/LER-1982-018-03, /03L-0:on 820311,following Shutdown,Rcs Dose Equivalent I-131 Concentration Exceeded Steady State Tech Spec Limit Until 820312.No Cause Given.Iodine Behavior Under Transient Conditions Consistent w/WCAP-8637 (← links)
- 05000316/LER-1982-018, Forwards LER 82-018/03L-0 (← links)
- 05000315/LER-1982-013-03, /03L-0:on 820302,control Switch for Containment Pressure Equalization Fan in Stop & Backdraft Damper for Opposite Fan Was Open.Cause Could Not Be Determined.Startup Procedures Revised (← links)
- 05000315/LER-1982-012-03, /03L-0:on 820303,turbine Driven Auxiliary Feedwater Pump Trip/Throttle Valve Tripped Shut When Manually Started.No Problems Found.Surveillance Test Completed.Pump Returned to Svc.No Further Action Planned (← links)
- 05000315/LER-1982-011-03, /03L-0:on 820223,during Surveillance Per Tech Spec 4.8.2.5.2B,three Cells of N Train Battery Found to Have Electrolyte Gravity Less than 1.200 Min Limit.Caused by Low Readings & Loss of Acid.Acid Added & Battery Tested (← links)
- 05000316/LER-1982-017-03, /03L-0:on 820223,during Rollup of Main Turbine in Preparation for Placing Unit in Svc,Pressurizer Pressure Decreased Below Tech Spec Limit.Caused by Unexpected Decrease in Condenser Vacuum (← links)
- 05000316/LER-1982-017, Forwards LER 82-017/03L-0 (← links)
- 05000315/LER-1982-010, Forwards LER 82-010/04T-0 (← links)
- 05000315/LER-1982-008-03, Containment Sump Flow Monitoring Recorder 1-CS-001 Found Out of Paper.New Roll Put in Recorder.Procedure Revised to Change Chart Paper When Less than 3-ft Remain (← links)
- 05000315/LER-1982-008, Forwards Updated LER 82-008/03X-1 (← links)
- 05000316/LER-1982-014-03, /03L-0:on 820217,radiation Monitors R-11 & R-12 Sample Pump Would Not Develop Sufficient Flow During Normal Operation.Cause Not Stated.Entire Radiation Monitor Sys Scheduled for Replacement by 30 Days After 1982 Refueling (← links)
- 05000316/LER-1982-014, Forwards LER 82-014/03L-0 (← links)
- 05000316/LER-1982-015-04, /04L-0:on 820222,flow Indicator SFR-201 for Turbine Gland Seal Leakoff Failed Low.Probably Caused by Moisture in Sys.Replacement Probes Found Calibr to Incorrect Range.New Sys to Be Installed (← links)
- 05000316/LER-1982-015, Forwards LER 82-015/04L-0 (← links)
- 05000316/LER-1982-013-03, /03L-0:on 820222,following Reactor Trip,Rcs Dose Equivalent I-131 Concentration Exceeded Tech Spec Limit. Caused by I-131 Concentration Spiking to Max of 2.33 Uci/G. Unit Returned to Operation & Iodine Values Leveled (← links)
- 05000316/LER-1982-013, Forwards LER 82-013/03L-0 (← links)
- 05000316/LER-1982-012-03, /03L-0:on 820224,boron Injection Tank Inlet Valve Breaker Found in Off Position.Probably Caused by Accidental Bump by Personnel Using Area as Shortcut.Area Will Be Blocked Off to Prevent Passage (← links)
- 05000316/LER-1982-012, Forwards LER 82-012/03L-0 (← links)
- 05000315/LER-1982-009-03, /03L-0:on 820128,leak Discovered in Essential Svc Water Pipe Downstream of Outlet Valve from East Heat Exchanger.Caused by Cavitation Due to Throttling of Butterfly Valve.Mod Initiated (← links)
- 05000315/LER-1982-009, Forwards LER 82-009/03L-0 (← links)
- 05000316/LER-1982-011-03, /03L-0:on 820128,leak Discovered in Essential Svc Water Pipe Downstream of Outlet Valve from East Component Cooling Water Heat Exchanger.Caused by Cavitation Due to Throttling of Butterfly Valve.Mod Initiated (← links)
- 05000316/LER-1982-011, Forwards LER 82-011/03L-0 (← links)
- 05000315/LER-1982-007-03, /03L-0:on 820126,containment Air Particulate & Gaseous Radiation Monitoring Sys R-11/R-12 Sample Pump Tripped on Low Flow.Caused by Filter Paper Winding Up Incorrectly on Takeup Reel.Filter Paper Replaced (← links)
- 05000315/LER-1982-007, Forwards LER 82-007/03L-0 (← links)
- 05000316/LER-1982-010-03, /03L-0:on 820122,during Surveillance Test,Valve 2-CO-420,W Component Cooling Water HX Discharge Would Not Close Remotely.Caused by Binding of Valve Shaft in Stuffing Box Bore Below Packing & in Area of Upper Shaft Bushing (← links)
- 05000316/LER-1982-009-03, /03L-0:on 820122,during Normal Operation,Mounting Bracket for Turbine Stop Valve D,Train a Proximity Switch Discovered Broken.Caused by Excessive Vibration.Bracket Repaired & Switch Remounted (← links)
- 05000316/LER-1982-007-03, /03L-0:on 820122,during Surveillance Test,Valve 2-CMO-429,component Cooling Water Discharge from W RHR HX, Failed to Close.Caused by Binding of Valve Shaft in Stuffing Box Bore Below Packing Due to Buildup of Corrosion (← links)
- 05000316/LER-1982-008-03, /03L-0:on 820118,at 100% Power,Scan Errors on Axial Power Distribution Monitoring Sys Prompted Operators to Use Flux Mapping Sys & Plant Computer P-250 to Monitor Axial Power Distribution.Caused by Procedure Error (← links)
- 05000316/LER-1982-008, Forwards LER 82-008/03L-0 (← links)
- 05000315/LER-1982-006-03, /03L-0:on 820123,during Surveillance Testing, Valve 1-WMO-737,emergency Svc Water Discharge from W Component Cooling Water Heat Exchanger Would Not Close. Cause Could Not Be Determined.Valve Cycled Manually (← links)
- 05000315/LER-1982-005-03, /03L-0:on 820115,during Surveillance Testing, Leakage Rate on Inner Door of Personnel Air Lock at 650 Ft Elevation Exceeded Tech Specs Limit.Caused by Broken Threaded Nipple Where Air Supply Line Enters Door Seal Area (← links)
- 05000316/LER-1982-006-03, /03L-0:on 820116,containment Air Particulate & Gaseous Radiation Monitoring Sys R-11/R-12 Sample Pump Tripped on Low Flow.Caused by Paper Jam.Filter Paper Replaced (← links)
- 05000316/LER-1982-005-03, /03L-0:on 820117,steam Generator Steam 3 Flow Channel 1 (MFC-131)found to Be Indicating Low.Caused by Sensing Lines Losing Fill.Sensing Lines Refilled (← links)
- 05000316/LER-1982-004-03, /03L-0:on 820116,RCS Dose Equivalent I-131 Concentration Exceeded 1.0 Uci/G steady-state Limit & Unit Experienced 100% Trip (← links)
- 05000316/LER-1982-002-01, Essential Svc Water Valves WMO-734 & 738 Were Not Tested as Required by Tech Specs.Caused by Valves WMO-734 & 738 Being Inadvertently Omitted During Oct 1979 Procedure Revision (← links)
- 05000316/LER-1982-002, Forwards Updated LER 82-002/01X-1 (← links)
- 05000315/LER-1982-002-99, /99T-1:on 820107,review of Documentation Associated W/Reactor Vessel Water Level Indication Sys Revealed That Physical Work Had Exceeded Limitations Stated in Approved Design Change Authorization (← links)
- 05000315/LER-1982-002, Forwards LER 82-002/99T-1 (← links)
- 05000315/LER-1982-004-03, /03L-0:on 820105,while Performing Surveillance Test,One Tape Was Found Inoperable.Caused by Failure to Advance Tape on 811204.Control & Instrumentation Personnel Have Received Addl Training (← links)
- 05000315/LER-1982-004, Forwards LER 82-004/03L-0 (← links)
- 05000316/LER-1982-003, Forwards LER 82-003/01T-0 (← links)
- 05000315/LER-1982-001-99, /99T-0:on 820107,two Addl Fire Doors Identified Having Potential Problems as Followup to Dv Shaller Re Problem W/Ul Ratings of 16 Fire Doors.Design Change Initiated on 780329.Awaiting Addl Info from Contractor (← links)
- 05000316/LER-1982-001-04, /04T-0:on 820110,during Deicing,Circulating Water Sys Discharge Temp Exceeded Tech Specs.Caused by Inability to Open Discharge Gates WMO-25A & WMO-25B Electrically.Valve Positions Changed Manually (← links)
- 05000316/LER-1982-001, Forwards LER 82-001/04T-0 (← links)
- 05000315/LER-1982-107-03, /03L-0:on 821227,steam Generator 3 Stop Dump Valve MRV-231 Removed from Svc.Caused by Need to Repair Seat Leakage.Valve Stem,Stem Pin Plug,Seat & Cage Replaced (← links)
- 05000315/LER-1982-107, Forwards LER 82-107/03L-0 (← links)
- 05000316/LER-1982-115-03, /03L-0:on 821223,during Refueling Outage,West RHR HX Component Cooling Water Outlet Valve GMO-429 Removed from Line Due to Seat Leakage.Caused by Part of Elastomer Seat Missing from Valve Body.Investigation Underway (← links)
- 05000316/LER-1982-112-03, /03L-0:on 821220,during Refueling Shutdown,Fire Door 374 Unable to Close Properly When Both Leaves of Double Door Opened.Caused by Damaged Sequencer,Due to Unknown Origin.Sequencer Replaced (← links)
- 05000316/LER-1982-111-03, /03L-0:on 821221,during Cold Shutdown,Inactive Leaf of Fire Door 388 Would Not Latch Properly.Caused by One Missing & One Damaged Latch Plate.Cause of Damage Unknown.New Latch Plates Installed (← links)
- 05000316/LER-1982-110-03, /03L-0:on 821220,during Refueling Shutdown, Operator Discovered Fire Door 358 Would Not Close Completely.Caused by Damage to Bottom of Door,Apparently by Striking Some Object.Door Repaired (← links)
- 05000315/LER-1982-106-03, /03L-0:on 821209,discovered Fire Door 455 Blocked Open W/No Fire Watch Established.Cause Undetermined.Door Closed.Personnel Reminded of Responsibility Re Fire Doors (← links)
- 05000315/LER-1982-106, Forwards LER 82-106/03L-0 (← links)
- 05000315/LER-1982-105-03, /03L-0:on 821206,fire Watch Released Approx 3 H Before Required Operability Insp Following Repair of Unlatched Fire Door 385.Door Unlatched Due to Loose Screws in Latch Bolt Cover Plate.Memo Issued Re Required Insp (← links)
- 05000316/LER-1982-101-03, /03L-0:on 821124,discovered Time Delay of Two Automatic Load Sequence Relay Timers Not Repeatable & Timers Exceeded Allowed Tolerance.Caused by Toggle Switch Assemblies Being Out of Alignment.Assemblies Replaced (← links)
- 05000315/LER-1982-105, Forwards LER 82-105/03L-0 (← links)
- 05000316/LER-1982-100-03, /03L-0:on 821130,during Surveillance Test on Diesel Generator Load Shedding Relays,Six 4 Kv Loss of Voltage Relays Exceeded Allowed Tolerance.Caused by Instrument Drift.Undervoltage Relay Under Study (← links)
- 05000316/LER-1982-099-03, /03L-0:on 821123,during Surveillance Test on Automatic Load Sequence Timing Relays,Four ESF Timers Found to Exceed Allowed Tolerance.Caused by Instrument Drift. Timers Readjusted & Solid State Relays Under Review (← links)
- 05000316/LER-1982-098-03, /03L-0:on 821127,fire Detection Sys Alarm for 4 Kv Switchgear Room Received Due to Pyralarm Detector Alarming. Caused by Low Alarm Setpoint.Pyralarm Replaced (← links)
- 05000316/LER-1982-097-03, /03L-0:on 821204,fire Detection Sys Alarm for 4 Kv Switchgear Room Received Due to Pyralarm Detector Alarming for No Apparent Reason.Caused by Low Setpoint.New Detector Installed (← links)
- 05000316/LER-1982-103-03, /03L-0:on 821128,30 & 1202,temporary Fire Seal for Fire Barrier Penetration W-9392 Missing & Seal W-9393 Nonfunctional.Caused by Intentional Violation to Perform Mod.Security Surveillance Established (← links)
- 05000316/LER-1982-102-03, /03L-0:on 821209,during Surveillance Test on Automatic Load Sequence Timing Relays,Two Timers Exceeded Tech Spec Tolerance.Caused by Component Cooling Water Pump 2E Timer out-of-spec.Timers Calibr (← links)
- 05000315/LER-1982-104-03, /03L-0:on 821125,power to Position Indicating Lamp for Feedwater Isolation Valve FMO-201 Lost.Cause Not Determined.Westinghouse FB304OL Circuit Breaker & Cutler Hammer NEMA Size 2 Contactor Replaced (← links)
- 05000315/LER-1982-104, Forwards LER 82-104/03L-0 (← links)
- 05000316/LER-1982-087-03, /03L-0:on 821101,circuit Breaker for Auxiliary Feedwater Valve from West Auxiliary Feed Pump to Steam Generator 24 Found in Off Position.Cause Not Determined. Parts Bin Repositioned to Preclude Inadvertent Operation (← links)
- 05000316/LER-1982-087, Forwards LER 82-087/03L-0 (← links)
- 05000315/LER-1982-098-01, /01T-0:on 821108,during Investigation of Pipe Breaks,Plant Practice of Designating Fire Watches in 4-kV Room Complexes & Reactor Cable Tunnels Determined to Violate Tech Specs.Caused by Tech Spec Misinterpretation (← links)
- 05000315/LER-1982-098, Forwards LER 82-098/01T-0 (← links)
- 05000315/LER-1982-097-03, /03L-0:on 821019,oil Leakage Noted on RHR Pump W.Cause Undetermined.Westinghouse Model 1 VSW1 Type Lac Motor Had Small Oil Leak at Upper Bearing Cover Gasket. Gasket Replaced.Pump Returned to Svc (← links)
- 05000315/LER-1982-097, Forwards LER 82-097/03L-0 (← links)
- 05000315/LER-1982-095-03, /03L-0:on 821008,essential Svc Water Supply Valve to W Containment Spray HX 1-WMO-715 Found Closed Rendering HX Inoperable.Caused by Overlooking Valve Upon Final Restoration of Sys.Return to Svc Procedure Revised (← links)
- 05000315/LER-1982-095, Forwards LER 82-095/03L-0 (← links)
- 05000316/LER-1982-078-03, /03L-0:on 820918 & 20,RCS Dose Equivalent I-131 Concentration Exceeded 1.0 Uci/G steady-state Limit.Caused by RCS Dose Equivalent I-131 Spiked to Max of 1.76 Uci/G (← links)
- 05000316/LER-1982-077-03, /03L-0:on 820907,equalizing Valve on Inner Door of Upper Containment Personnel Airlock Found Leaking Slightly During Containment Entry.Cause Unknown.Valve Actuating Mechanism Adjusted (← links)
- ML17321A833 (redirect page) (← links)