Pages that link to "05000272/LER-1982-005, Forwards LER 82-005/01X-1.Detailed Event Analysis Encl"

The following pages link to 05000272/LER-1982-005, Forwards LER 82-005/01X-1.Detailed Event Analysis Encl:

Displayed 46 items.

• 05000311/LER-1982-039, Forwards LER 82-039/01T-0.Detailed Event Analysis Encl ‎ (← links)
• 05000311/LER-1982-040, Forwards LER 82-040/01T-0.Detailed Event Analysis Encl ‎ (← links)
• 05000272/LER-1982-011, Forwards LER 82-011/03X-1.Detailed Event Analysis Encl ‎ (← links)
• 05000311/LER-1982-020, Forwards LER 82-020/03L-0.Detailed Event Analysis Encl ‎ (← links)
• 05000272/LER-1982-030, Forwards LER 82-030/03L-0.Detailed Event Analysis Encl ‎ (← links)
• ML20062C711 (redirect page) ‎ (← links)
• 05000272/LER-1982-005 (redirect page) ‎ (← links)
• 05000311/LER-1982-133, Forwards LER 82-133/03L-0.Detailed Event Analysis Encl ‎ (← links)
• 05000311/LER-1982-130, Forwards LER 82-130/03L-0.Detailed Event Analysis Encl ‎ (← links)
• 05000272/LER-1982-080, Forwards LER 82-080/03L-0.Detailed Event Analysis Encl ‎ (← links)
• 05000272/LER-1982-005-01, /01X-1:on 820131,degradation of Fuel Cladding on Fuel Assembly C-04 Discovered.Caused by Fuel Lockup Due to Wedged Fuel Pellet.Fuel Assembly Placed in Spent Fuel Pit. All C Assemblies Scheduled for Reuse in Core ‎ (← links)
• 05000311/LER-1982-057-03, /03L-0:on 820630,feedwater Pump 22 Tripped Causing Operator to Reduce Turbine Load & Commence Control Rod Insertion.Caused by Decrease in Suction Pressure Associated W/Placing Feedwater Heater 26 in Svc ‎ (← links)
• 05000272/LER-1982-046-03, /03L-0:on 820712,two Floor Penetrations in Control Room Found to Be Nonfunctional & Not Included in Surveillance.Caused by Penetrations Being Left Open at Time of Installation.Openings Sealed ‎ (← links)
• 05000311/LER-1982-052-03, /03L-0:on 820618,steam Generator 21 Steam Flow Channel II Discovered Reading Low.Caused by Instrument Drift.Transmitter Recalibr & Returned to Svc ‎ (← links)
• 05000311/LER-1982-049-03, /03L-0:on 820617,containment Fan Coil Units 21 & 25 Failed to Meet Svc Water Flow Requirements.Caused by Valve 21SW57 Tube Bundle Plugged W/American Oysters in Unit 21.Unit 25 Failed Due to Cracked Solder Joint ‎ (← links)
• 05000272/LER-1982-040-03, /03L-0:on 820616,filter Failure Alarm Received on containment-plant Vent Radioactivity Monitor.Caused by Exhausted Filter Paper Supply Roll Due to Clearing Filter in Fast Mode.New Roll Installed.Personnel Counseled ‎ (← links)
• 05000272/LER-1982-039-03, /03L-0:on 820608,three Valves Found Missing from Surveillance Procedure Action Statement 3.6.1.1.Caused by Oversight.Immediate Change Incorporated Into Procedure ‎ (← links)
• 05000311/LER-1982-048-03, /03L-0:on 820606,red Tag Discovered Missing from post-LOCA Sampling Sys Containment Isolation Valve.Tagging Request Form Also Missing.Tag Inadvertently Knocked Off & Tagging Request Form Lost.Form Reissued & Tag Replaced ‎ (← links)
• 05000272/LER-1982-038-03, /03L-0:on 820604,pressurizer Pressure Discovered Less than Tech Spec Requirements.Caused by Shift of Pressure Controller from Auto to Manual Mode W/O Operator Action. Incident Termed Isolated Controller Malfunction ‎ (← links)
• 05000311/LER-1982-042-03, /03L-0:on 820518,number 21 Operational Temp Channel Trip Actuated Higher than Tech Specs.Caused by Failure of Contacts on lead/lag-derivative Switch to Complete Trip Circuit.Contacts Cleaned ‎ (← links)
• 05000311/LER-1982-044-03, /03L-0:on 820518,operator Discovered Leakage Rate of 130-ft Elevation Containment Air Lock Exceeded Tech Spec Limits.Caused by Improperly Positioned Inner Door Seal. Inner Door Seal Properly Positioned ‎ (← links)
• 05000272/LER-1982-032-03, /03L-0:on 820515,boric Acid Flow in Transfer Pumps 11 & 12 Decreased Below Tech Spec Limit Rendering Pumps Inoperable.Caused by Increase in Impeller to Volute Clearance Due to Normal Wear.Clearance Adjusted ‎ (← links)
• 05000311/LER-1982-046-03, /03L-0:on 820527,during Routine Surveillance,Less than Required Svc Water Flow to Containment Coil Unit 23 Discovered.Caused by Oysters Plugging Valve Tube Bundle 23SW57.Oysters Removed & Svc Water Flow Returned to Normal ‎ (← links)
• 05000272/LER-1982-036-03, /03L-0:on 820526,control Room Emergency Air Conditioner 12 Failed to Operate.Caused by Tripped Load Ctr Supply Breaker 1C16Y de-energizing Fan Power Supply.No Cause Determined.Breaker Closed & Fan Returned to Svc ‎ (← links)
• 05000272/LER-1982-037-03, /03L-0:on 820526,svc Water Flow to Containment Fan Coil Unit 12 Found Below Tech Spec Requirements.Caused by Flow Control Valve 12SW223 Stuck in Closed Position.Valve Repaired ‎ (← links)
• 05000311/LER-1982-045-03, /03L-0:on 820522,operator Discovered Leakage Rate of 100-ft Elevation Containment Air Lock Exceeded Tech Spec Limits.Caused by Failed Inner Door Latch Mechanism.Latch Mechanism Repaired & Tested ‎ (← links)
• 05000272/LER-1982-034-03, /03L-0:on 820510,steam Generator 14 Wide Range Level Indication Failed Low.Caused by Loose Fuse in Power Supply.Fuse Properly Tightened & Tested ‎ (← links)
• 05000311/LER-1982-039-01, /01T-0:on 820526,100-gpm Svc Water Leak in Containment Fan Coil Unit 21 Motor Cooler Discovered.Caused by Failed Motor Cooler Seam Weld.Failed Motor Cooler & Fan Motor Replaced & Tested ‎ (← links)
• 05000311/LER-1982-037-03, /03L-0:on 820508,containment Plant Vent Radioactivity Monitor Low Flow Alarm Received Rendering Particulate & Gaseous Radioactivity Channels Inoperable. Caused by 2VC908 Drifting Closed Due to Loosened Packing ‎ (← links)
• 05000311/LER-1982-040-01, /01P:on 820519,svc Water Leak Discovered Inside Containment Bldg on Containment Fan Coil Unit 22.Rept of Event Overlooked Due to Another Incident Occuring Concurrently on Coil Unit.Leak Isolated ‎ (← links)
• 05000272/LER-1982-028, Forwards Corrected LER 82-028/03L-0 ‎ (← links)
• 05000311/LER-1982-021-03, /03L-0:on 820320,while Performing Surveillance Procedure SP(O)4.6.1.3 on 100 Ft Elevation Containment Air Lock,Leakage Rate Exceeded Limit of 0.05 La at Design Pressure of 47.0 Psig.Caused by Loose Chain on Inner Door ‎ (← links)
• 05000311/LER-1982-022-03, /03L-0:on 820326,operator Attempted to Start Auxiliary Bldg Exhaust Fan 21.Fan Would Not Start & Declared Inoperable.Caused by Automatic Trip Shutter Which Had Not Been Reset When Fan Circuit Breaker Was Racked in ‎ (← links)
• 05000311/LER-1982-020-03, /03L-0:on 820313,during Performance of Surveillance Procedure SP(O)4.0.5.p,auxiliary Feedwater Pump 23 Would Not Attain Specified Min Speed of 3,500 Rpm.Caused by Leakage Past Overspeed Ball Check Valve ‎ (← links)
• 05000272/LER-1982-033-03, /03L-0:on 820502,travelling Screen High Differential Pressure Trip Alarm Received Concomitant W/Decreasing Condenser Vacuum.Caused by Grass & Debris Accumulation in Screen.Screen Cleaned ‎ (← links)
• 05000311/LER-1982-038-03, /03L-0:on 820503,during Routine Surveillance,Svc Water Flow to Containment Fan Coil Unit 23 Discovered Less than Tech Specs.Caused by Flow Transmitter Plugged W/Silt. Transmitter Blown Down ‎ (← links)
• 05000311/LER-1982-035-03, /03L-0:on 820501,on Two Occasions,Svc Water Flow to Containment Fan Coil Unit 22 Was Less than Required by Tech Specs.First Caused by Stuck Valve 22sw57;second Caused by Improper Valve Position Due to Loose Nut on Valve Stem ‎ (← links)
• 05000311/LER-1982-036-03, /03L-0:on 820503,containment Fan Coil Unit 21 Failed to Start in Low Speed.Caused by Failed Control Board Pushbutton.Pushbutton Repaired ‎ (← links)
• 05000311/LER-1982-031-03, /03L-0:on 820424,2C Vital Bus Infeed Breaker 22CSD tripped,de-energizing 2C Vital Bus.Caused by Known Noise Problem W/Safeguards Equipment Control Sys.Vital Bus 2C re-energized.Design Change Request 2EC1387 Issued ‎ (← links)
• 05000311/LER-1982-029-03, /03L-0:on 820423,containment Sump Monitoring Sys Declared Inoperable Due to Containment Sump Pumps Running Continuously Since Previous Day.Caused by Closed Pump Discharge Valve 2WL16 on Breaker 3 in Cabinet 26RC7 ‎ (← links)
• 05000311/LER-1982-033-03, /03L-0:on 820424,control Room Emergency Air Conditioning Sys Fan 21 Tripped & Would Not Start.Caused by Failed Overload Contactor.Contactor Replaced ‎ (← links)
• 05000311/LER-1982-032-03, /03L-0:on 820428,steam Generator Feedwater Pump 21 Tripped,Causing Axial Flux to Go Outside Target Band.Control Rod Low Low Insertion Limit Alarm Received.Caused by Attempted Sabotage ‎ (← links)
• 05000311/LER-1982-029-01, /01P-0:svc Water Leak Discovered Inside Containment Bldg on Containment Fan Coil Unit 21.Leak Rate Was 100 Gallons Per Minute.Investigation in Progress ‎ (← links)
• 05000272/LER-1982-025-03, /03L-0:on 820501,steam Generator Wide Range Level Indication 13 Failed Low.Caused by Piece of Solid Wire Shorting Instrument Signal Lead to Conductor Shield.Wire Removed & Channel Satisfactorily Tested ‎ (← links)
• 05000272/LER-1982-030-03, /03L-0:on 820419,discovered That Valve 1WR81 Leakage Rate Greater than Max Range of Volumetric Test Equipment.Unable to Verify That Leakage Exceeded Tech Spec Limit.New Test Equipment W/Proper Range Will Be Purchased ‎ (← links)
• 05000272/LER-1982-005, Forwards LER 82-005/01T-0.Detailed Event Analysis Encl (redirect page) ‎ (← links)
  • ML20041A672 (redirect page) ‎ (← links)
  • 05000272/LER-1982-046, Forwards LER 82-046/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-052, Forwards LER 82-052/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-049, Forwards LER 82-049/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-040, Forwards LER 82-040/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-039, Forwards LER 82-039/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-048, Forwards LER 82-048/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-038, Forwards LER 82-038/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-042, Forwards LER 82-042/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-044, Forwards LER 82-044/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-032, Forwards LER 82-032/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-046, Forwards LER 82-046/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-036, Forwards LER 82-036/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-037, Forwards LER 82-037/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-045, Forwards LER 82-045/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-034, Forwards LER 82-034/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-037, Forwards LER 82-037/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-021, Forwards LER 82-021/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-022, Forwards LER 82-022/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-033, Forwards LER 82-033/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-038, Forwards LER 82-038/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-031, Forwards LER 82-031/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-035, Forwards LER 82-035/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-036, Forwards LER 82-036/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-031, Forwards LER 82-031/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-029, Forwards LER 82-029/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-033, Forwards LER 82-033/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-032, Forwards LER 82-032/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-025, Forwards LER 82-025/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-120, Forwards LER 82-120/01T-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-119, Forwards LER 82-119/01T-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-110, Forwards LER 82-110/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-107, Forwards LER 82-107/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-116, Forwards LER 82-116/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-075, Forwards LER 82-075/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-072, Forwards LER 82-072/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-070, Forwards LER 82-070/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-102, Forwards LER 82-102/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-093, Forwards LER 82-093/01T-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-088, Forwards LER 82-088/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-068, Forwards LER 82-068/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-094, Forwards LER 82-094/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-090, Forwards LER 82-090/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-096, Forwards LER 82-096/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-095, Forwards LER 82-095/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-065, Forwards LER 82-065/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-084, Telecopy Message of LER 82-084/01P:on 820829,svc Water Leak on Containment Fan Coil Unit 23 Discovered.Leak Isolated.No Cause Stated.Investigation in Progress ‎ (← links)
  • 05000311/LER-1982-153, Forwards LER 82-153/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-152, Forwards LER 82-152/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-150, Forwards LER 82-150/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-148, Forwards LER 82-148/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-147, Forwards LER 82-147/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-015, Supplemental LER 82-015/03X-1:on 820221,discovered That Reactor Coolant Leak Rate Surveillance 4.4.7.2.d Due 820220 Not Performed Because Plant Had Not Been in steady-state Condition Due to 820219 Reactor Trip ‎ (← links)
  • 05000311/LER-1982-144, Forwards LER 82-144/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-140, Forwards LER 82-140/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-074, Corrected LER 82-074/01T-0:on 820813,control Operator Discovered Increased Leakage to Containment Sump.Caused by Coil Failures Due to Silt Particles in Svc Water.Leak Repaired by Blanking Flanges ‎ (← links)
  • 05000272/LER-1982-051, Forwards LER 82-051/03X-1.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-067, Forwards LER 82-067/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-104, Forwards LER 82-104/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-073, Forwards LER 82-073/01T-0 ‎ (← links)
  • 05000272/LER-1982-066, Forwards LER 82-066/03X-1.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-086, Forwards LER 82-086/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-109, Forwards LER 82-109/01T-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-105, Forwards LER 82-105/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-097, Forwards LER 82-097/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-103, Forwards LER 82-103/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-071, Forwards LER 82-071/04L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-012, Forwards LER 82-012/03X-1.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-074, Forwards LER 82-074/04L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-098, Forwards LER 82-098/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-073, Forwards LER 82-073/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-061, Forwards LER 82-061/03X-1.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-100, Forwards LER 82-100/01T-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-099, Forwards LER 82-099/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-101, Forwards LER 82-101/01T-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-091, Forwards LER 82-091/01T-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-081, Forwards LER 82-081/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-062, Forwards LER 82-062/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-063, Forwards LER 82-063/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-080, Forwards LER 82-080/01T-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-058, Forwards LER 82-058/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-004, Forwards LER 82-004/03X-1.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-071, Forwards LER 82-071/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-078, Forwards LER 82-078/01T-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-054, Forwards LER 82-054/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-055, Forwards LER 82-055/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-052, Forwards LER 82-052/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-060, Forwards LER 82-060/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-048, Forwards LER 82-048/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-075, Forwards LER 82-075/01T-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-047, Forwards LER 82-047/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-043, Forwards LER 82-043/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-049, Forwards LER 82-049/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-047, Forwards LER 82-047/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-069, Forwards LER 82-069/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-068, Forwards LER 82-068/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-064, Forwards LER 82-064/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-063, Forwards LER 82-063/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-062, Forwards LER 82-062/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-067, Forwards LER 82-067/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-065, Forwards LER 82-065/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-066, Forwards LER 82-066/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-043, Forwards LER 82-043/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-059, Forwards LER 82-059/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-056, Forwards LER 82-056/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-057, Forwards LER 82-057/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-008, Supplemental LER 82-008/03X-1:on 820126,boric Acid Concentrations in Boric Acid Storage Tanks 11 & 12 Found Below Tech Spec Limit.Caused by Dilution of Concentration by Flushing Water in Tank Following Maint.Boric Acid Added ‎ (← links)
  • 05000272/LER-1982-002, Supplemental LER 82-002/01X-2:on 820119,during Surveillance, Indications of Tube Thinning Detected by Eddy Current Exam. Tubes Above 30% Degradation Plugged.Tube R44C62 Sent to Westinghouse for Chemical & Metallurgical Testing ‎ (← links)
  • 05000311/LER-1982-132, Forwards LER 82-132/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-087, Forwards LER 82-087/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-108, Forwards LER 82-108/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-106, Forwards LER 82-106/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-085, Forwards LER 82-085/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-085, Forwards LER 82-085/01T-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-131, Forwards LER 82-131/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-127, Forwards LER 82-127/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-129, Forwards LER 82-129/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-082, Forwards LER 82-082/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-128, Forwards LER 82-128/01T-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-079, Forwards LER 82-079/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-123, Forwards LER 82-123/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-121, Forwards LER 82-121/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-076, Forwards LER 82-076/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-122, Forwards LER 82-122/01T-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-004, Supplemental LER 82-004/03X-1:on 820108,charging Pump 13 Declared Inoperable Due to Component Cooling Water Sys Being Tagged Out for Planned Maint.On 820109,positive Reactivity Change Found in RCS Boron Concentration ‎ (← links)
  • 05000311/LER-1982-072, Supplemental LER 82-072/03X-1:on 820820,during Surveillance Testing,Discovered That Reactor Trip Breaker B Would Not Trip.Caused by Binding of Undervoltage Coil Solenoid.Coil Replaced & Breaker Reinstalled ‎ (← links)
  • 05000311/LER-1982-002, Supplemental LER 82-002/03X-1:on 820111,battery Charger 2A1 Tripped.Charger Tripped Again Upon Resetting Breaker.Caused by Difference Between Battery & Battery Charger Voltages. Operating Instructions Revised to Adjust Float Vo ‎ (← links)
  • 05000272/LER-1982-009, Supplemental LER 82-009/03X-1:on 820118 & 25,Cardox Fire Suppression Sys for 1A,1B & 1C Diesel Generator Areas & Fuel Oil Storage Area 12 Inoperable for More than 14 Days.Caused by Sys in Manual Mode Due to Maint Outage ‎ (← links)
  • 05000272/LER-1982-042, Supplemental LER 82-042/03X-1:on 820628,valves 12AF10 & 12AF86 Discovered Open.Caused by Personnel Negligence in Failure to Notice That Chains on Valves Improperly Installed.Valve Operation & Tagging Lesson Plans Revised ‎ (← links)
  • 05000311/LER-1982-118, Forwards LER 82-118/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-117, Forwards LER 82-117/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-093, Forwards LER 82-093/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-017, Supplemental LER 82-017/03X-1:on 820228,svc Water Flow Indicated Zero Upon Starting Containment Fan Coil Unit 22 (Cfcu).On 820301,svc Water Flow to Cfcu 23 Less than Required 2,500 Gpm.Caused by Stuck Valve ‎ (← links)
  • 05000311/LER-1982-001, Supplemental LER 82-001/03X-1:on 820110,steam Generator 24 Pressure Channel 4 Failed High.Caused by Ventilation Damper Stuck Open,Freezing Pressure Sensing Line.Damper Freed, Exercised & Closed ‎ (← links)
  • 05000311/LER-1982-137, Forwards LER 82-137/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-083, Supplemental LER 82-083/03X-1:on 820812,during Routine Surveillance,Control Room Operator Received Low Svc Water Flow Indication on Containment Fan Coil Unit (Cfcu) 25. Caused by Oysters or Silt Restricting Cfcu Flow ‎ (← links)
  • 05000311/LER-1982-058, Forwards LER 82-058/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-041, Forwards LER 82-041/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-025, Forwards LER 82-025/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-015, Forwards LER 82-015/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-017, Forwards LER 82-017/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-081, Supplemental LER 82-081/01X-1:on 821104,16 1,000-kip Steam Generator Snubbers Found Out of Spec on Bleed Test & Six Snubbers Failed Acceleration Test.Caused by Flattened Piston Seal Rubber Matl Due to Aging.Seals Rebuilt ‎ (← links)
  • 05000311/LER-1982-145, Forwards Corrected LER 82-145/03X-1.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-045, Forwards Corrected LER 82-045/04L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-050, Forwards Corrected LER 82-050/04L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-007, Forwards LER 82-007/01X-2 ‎ (← links)
  • 05000311/LER-1982-054, Forwards LER 82-054/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-050, Forwards LER 82-050/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-051, Forwards LER 82-051/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-007-01, /01X-2:on 820211,during Design Review,Discovered That Check Valves 1AF71 & 1AF72 & Associated Piping Not Seismically Analyzed & Protected.Protective Steel Structures Provided Off Seismic Wall ‎ (← links)
  • 05000311/LER-1982-083-03, /03X-2:on 820812,during Performance of Routine Surveillance,Control Room Operator Received Indication of Low Svc Water Flow on Containment Fan Coil Unit 25.Caused by Oyster Infestation Restricting Svc Water Flow ‎ (← links)
  • 05000272/LER-1982-093-03, /03L-0:on 821225,plant Vent Gross Activity Monitor Indication Declared Inoperable.Daily Grab Samples of Plant Vent Effluent Not Taken Until 830104 Violating Ets. Caused by Personnel Error.Procedures Reviewed ‎ (← links)
  • 05000272/LER-1982-024, Svc Water Flow to Containment Fan Coil Unit 12 Discovered Less Required than 700 Gpm.Caused by Closed Flow Control Valve 125w223.Valve opened.W/831117 ‎ (← links)
  • 05000311/LER-1982-137-03, /03L-0:on 821115,during Routine Operation,Control Room Operator Discovered That Auxiliary Alarm Typewriter Not Printing Intelligibly.Caused by Tilt Ring Assembly Being Out of Adjustment.Assembly Readjusted ‎ (← links)
  • 05000311/LER-1982-112-01, /01P:on 821005,svc Water Discovered Leaking at Rate of 1 Gallon Per Minute Inside Containment Bldg on Fan Coil Unit 21.Cause Not Stated.Leak Isolated.Investigation Continuing.Detailed Rept Forthcoming ‎ (← links)
  • 05000311/LER-1982-113-01, /01P:on 821005,during Routine Operation,Svc Water Leak Discovered Inside Containment on Fan Coil 22. Cause Unknown.Investigation in Progress.Rept Will Be Submitted Per IE Bulletin 80-24 ‎ (← links)
  • 05000311/LER-1982-058-03, /03L-0:on 820702,svc Water Flow to Containment Fan Coil Unit 23 Less than Amount Required for Low Speed Operation.Caused by Oysters Plugging Valve.Oysters Removed. Development of Chlorination Program in Progress ‎ (← links)
  • 05000272/LER-1982-041-03, /03L-0:on 820626,during Routine Insp,Water Discovered in Charging Pump 12 Gear Oil Reservoir.Caused by Leak Through Gear Oil Cooler.Cooler & Oil Replaced ‎ (← links)
  • 05000311/LER-1982-025-03, /03L-0:on 820402,after Closing RHR Pump 22,pump Supply Breaker Opened Due to Phase a Overcurrent Rendering Pump & Related ECCS Subsystem Inoperable.Cause of Breaker Overcurrent Trip Unknown.Pump Tested Satisfactorily ‎ (← links)
  • 05000272/LER-1982-015-03, /03L-0:on 820316,vital Bus 1A Tripped Resulting in Loss of Component Cooling Water & Svc Water Flows.Caused by Shorted Wire in TD5 Undervoltage Relay to Feeder Cubicle Door,Causing Vital Bus 1A to Trip W/O Transfer ‎ (← links)
  • 05000272/LER-1982-017-03, /03L-0:on 820327,while Performing Surveillance Procedure SP(o)4.3.2 1.1.a,4 Kv Breaker 1C4D Failed to Remain Closed.Caused by Undocumented Temporary Jumper in Breaker 1C4D Control Circuit.Jumper Removed ‎ (← links)
  • 05000272/LER-1982-018-01, /01T-0:on 820403,during Visual Insp of Containment Bldg,Svc Water Leak Discovered on Flange of Valve 14SW65. Caused by Loose Studs on Valve Flange.Studs Torqued & Leakage Stopped ‎ (← links)
  • 05000272/LER-1982-016-03, /03L-0:on 820326,gaseous Release Initiated from Waste Gas Sys.Caused by Failure of Control Room Operator to Properly Perform Operating Instruction Resulting in Incorrect Vent Monitor Alignment.Ets Limits Not Exceeded ‎ (← links)
  • 05000311/LER-1982-145-03, Following Shift of Vital Bus 2B Power Source,Computer P-250 Found Down.Caused by Failure of Inverter Power Supply Due to Failed Oscillator Circuit Board ‎ (← links)
  • 05000311/LER-1982-141-03, /03L-0:on 821121 & 1204,RCS Subcooling Monitor Declared Inoperable.Caused by Parity Error in R-250 Computer Due to Insufficient Ventilation.Computer Reprogrammed & Temporary Fan Installed ‎ (← links)
  • 05000311/LER-1982-143-03, /03L-0:on 821124,during Surveillance Review, Discovered Reactor Trip Breaker Manual Trip Feature Not Tested Before 821119 Startup.Caused by Confusion Involving Recent Changes in Procedures Re Testing of Trip Breaker ‎ (← links)
  • 05000311/LER-1982-139-03, /03L-0:on 821119,auxiliary Feedwater Storage Tank Dropped Below Tech Spec Min Vol of 200,000 Gallons.Caused by Personnel Error.Tank Level Restored & Operator Counseled ‎ (← links)
  • 05000311/LER-1982-138-03, /03L-0:on 821119,shift Supervisor Realized That Surveillance Requirement to Check Local Sightglass Levels of Accumulators 23 & 24 Was Overdue.Caused by Personnel Oversight.Personnel Counseled ‎ (← links)
  • 05000311/LER-1982-142-03, /03L-0:on 821123,steam Generator 21 Level Channel IV Indication Read 4% Higher than Other Channels & Declared Inoperable.Caused by Failure of Channel Level Transmitter. Transmitter Replaced ‎ (← links)
  • 05000272/LER-1982-091-01, /01T-0:on 821130,leakage Discovered from Weld on Svc Water Piping to Component Cooling HX 12.Caused by Degradation of Weld & Similar Joints Due to Type of Filler Metal Used & Corrosive Environ of Svc Water Sys ‎ (← links)
  • 05000311/LER-1982-136-01, /01T-0:on 821124,small Svc Water Leak of 0.5 Gpm Discovered on Cooling Coil of Containment Fan Coil Unit 23. Caused by Erosion of Cooling Coil by Silt in Svc Water. Coil Blanked Off to Seal Leak ‎ (← links)
  • 05000311/LER-1982-133-03, /03L-0:on 821107,during Routine Operation,Control Room Operator Discovered Containment Gaseous Activity Monitor Malfunctioned.Caused by Intermittent Connection on Integrated Circuit or Circuit Board.Units Reseated ‎ (← links)
  • 05000311/LER-1982-134-03, /03L-0:on 821110,during Routine Surveillance, Turbine Trip Low Autostop Oil Pressure Channel II Bistable Observed to Trip Low.Caused by Mechanical Wear in Channel Pressure Switch.Switch Replaced ‎ (← links)
  • 05000311/LER-1982-132-03, /03L-0:on 821106 & 15,spurious Actuation of Safeguards Equipment Control Cabinet 2A Resulted in de-energization of Vital Bus 2A.Caused by Noise in Sys Control Circuitry.Noise Suppression Devices Will Be Added ‎ (← links)
  • 05000272/LER-1982-087-03, /03L-0:on 821109,during Refueling Operations, Alarms Indicated Fire Protection Deluge Sys Had Been Actuated.No Apparent Cause Determined.Charcoal Filters Involved Replaced ‎ (← links)
  • 05000272/LER-1982-088-03, /03L-0:on 821109,fire Observed in Fire Detection Instrumentation Panel 1FP3.Panel de-energized & Several Fire Detectors Rendered Inoperable.Caused by Failure of Panel Alarm Buzzer Relay.Relay Replaced ‎ (← links)
  • 05000311/LER-1982-135-01, /01T-0:on 821121,during Routine Surveillance,Small Svc Water Leak Discovered on Cooling Coil of Containment Fan Coil Unit 25.Caused by Silt in Svc Water.Coil Repaired.New Design Coils Will Be Installed During Next Refueling ‎ (← links)
  • 05000272/LER-1982-090-01, /01T-0:on 821121,video Insp of Removed Fuel Assemblies Revealed Cladding Ruptures on Element in Fuel Assembly D-20.Cause Unknown.Vendor to Conduct More Detailed Investigation ‎ (← links)
  • 05000311/LER-1982-108-03, /03L-0:on 820915 & 17,RPI 1C4 Discovered Reading Greater than 12 Steps Lower than Bank Demand Indication.Caused by Combination of RPI Module Calibr Drift & Change in Actual Rod Position Signal Output ‎ (← links)
  • 05000311/LER-1982-106-03, /03L-0:on 820913,six Broken Links Discovered on Circulator Travelling Screen 21A.Possibly Caused by stress-induced Cracking.Links Replaced.Design Change Request Issued to Consider Stainless Steel Links ‎ (← links)
  • 05000272/LER-1982-064-03, /03L-0:on 820816,Westinghouse Reported Potential Problem Re Solid State Protection Sys.Evaluation of Rept for Applicability to Facility Underway.Supplemental Rept Will Be Submitted ‎ (← links)
  • 05000311/LER-1982-085-03, /03L-0:on 820816,two Malfunctions of Reactor Coolant Channel Flow Indication 24 Experienced Due to Failure of Signal Isolation Amplifiers.No Common Cause for Isolation Amplifier Failure Determined.Amplifiers Replaced ‎ (← links)
  • 05000272/LER-1982-086-03, /03L-0:on 821027,five Fire Barrier Penetrations Found non-functional During Routine Surveillance.Caused by Inadequate Sealing.Original Surveillance Procedure Failed to Specifically Identify Penetrations.Procedure Revised ‎ (← links)
  • 05000272/LER-1982-085-01, /01T-0:on 821113,due to Resulting Loss of F & G Group Buses,Automatic Starting Feature of 1 & 2 Diesel Fire Pumps Disabled.Caused by Planned Maint on Station Power Transformer 12.Maint Completed & Power Restored ‎ (← links)
  • 05000272/LER-1982-083-03, /03L-0:on 821102,during Routine Shutdown Operation,Temp Recorder for Air temp-delta T Channels Was Not Printing.Caused by Failure of Pinion Gear on Chart Drive Motor.Motor Replaced ‎ (← links)
  • 05000311/LER-1982-130-03, /03L-0:on 821031 & 1105,svc Water Flow to Containment Fan Coil Unit 23 Observed Low.Caused by Silt Clogging Back Pressure Control Valves.Valves Cycled During Cooler Leak Repair.Low Flow Eliminated When Unit Started ‎ (← links)
  • 05000311/LER-1982-131-03, /03L-0:on 821028 & 1106,P-250 Computer Observed Operating Erratically & RCS Subcooling Margin Monitor Declared Inoperable.Caused by 4-volt Dc Power Supply Drifting Low.Power Supply Adjusted ‎ (← links)
  • 05000311/LER-1982-127-03, /03L-0:on 821020,RCS Water Inventory Not Performed within Time Limits.Caused by Personnel Oversight & License Inadequacy.Surveillance Completed,Personnel Counseled & License Change Request Submitted ‎ (← links)
  • 05000311/LER-1982-129-03, /03L-0:on 821024 & 26,during Routine Surveillance on Containment Air Lock,Excessive Leakage Observed on Inner Door Seals.Caused by Improper Operation of Air Lock Doors. Air Locks Repaired ‎ (← links)
  • 05000272/LER-1982-082-03, /03L-0:on 821025,thermal Detectors for Iodine Removal Sys & Pressure Relief Sys Discovered Missing from Fire Detection Instrumentation Surveillance Procedures. Caused by Oversight During Procedure Inception ‎ (← links)
  • 05000272/LER-1982-080-03, /03L-0:on 821017 & 18,shutdown Margin Calculation Not Performed within Required Tech Spec Interval.Caused by Personnel Oversight.Personnel Counseled ‎ (← links)
  • 05000311/LER-1982-124-03, /03L-0:on 821011,reactor Tripped Due to Underfrequency Signals on Group Buses 2F & 2H.Signals Caused by Ac Noise Generated by Failed Annunciator Power Supply for Diesel Generator 2A.Power Supply Replaced ‎ (← links)
  • 05000272/LER-1982-079-03, /03L-0:on 821006,following Satisfactory Completion of Maint Procedure M3M,discovered That Procedure Not Performed During Preceding Wk.Caused by Oversight on Part of Electrical Supervisor.Order Written for Weekly Surveillance ‎ (← links)
  • 05000311/LER-1982-123-03, /03L-0:on 821010,svc Water Flow to Containment Fan Coil Unit Was 2,400 Gpm Rather than Required 2,500 Gpm. Caused by Low Setpoint on Flow Control.Controller Tested & Setpoint Readjusted to Proper Flow ‎ (← links)
  • 05000272/LER-1982-081-01, /01P:on 821029-31,during Functional Testing of Hydraulic Snubbers,Two Snubbers on Steam Generators 11 & 14 Failed Bleed Test.Caused by Piston Packings Losing Pretension.Acceleration Test Passed ‎ (← links)
  • 05000272/LER-1982-076-03, /03L-0:on 820930,diesel Fire Pump 1 Would Not Start in Automatic Mode of Operation During Surveillance Testing.Caused by Stuck Fire Suppression Sys Header Low Pressure Switch.Switch Freed & Exercised ‎ (← links)
  • 05000311/LER-1982-122-01, /01T-0:on 821018,small Svc Water Leak Found in Containment Fan Coil Unit 22.Caused by Accelerated Erosion Due to Silt in Svc Water.Leaking Coil Blanked Off.New Design Cooler Will Be Installed During Outage ‎ (← links)
  • 05000311/LER-1982-115-03, /03L-0:on 820928,svc Water Leak Found on 2A Emergency Diesel Generator Oil Cooler Piping.Caused by Silt in Svc Water Triggering Accelerated Erosion.Failed Pipe Cap Replaced ‎ (← links)
  • 05000311/LER-1982-114-03, /03L-0:on 820927,RMS Apd Filter Drive Unit Malfunctioned.Caused by Slipped Pin Attaching Solenoid Arm to Ratchet Cog.Pin Installed Through Bottom Instead of Top of Connecting Sleeve.Pin Reinstalled Correctly ‎ (← links)
  • 05000311/LER-1982-118-03, /03L-0:on 820929,during Routine Surveillance, 2C Vital Bus Undervoltage Relay Failed to Drop Out on Decreasing Voltage.Caused by Out of Adjustment Relay Stop Lever.Lever Adjusted & Satisfactorily Tested ‎ (← links)
  • 05000272/LER-1982-077-03, /03L-0:on 821002,during Normal Operation,Svc Water Flow Indication for Containment Fan Coil Unit 15 Was Erratic.Caused by Silt Plugging Transmitter Sensing Lines. Lines Blown Down & Tested Satisfactorily ‎ (← links)
  • 05000311/LER-1982-117-03, /03L-0:on 820929,svc Water Flow to Containment Fan Coil Unit 23 Found Below Tech Spec Requirements.Caused by American Oysters Plugging Valve 22SW57.Oysters Removed & Valve Reassembled.Improved Chlorination Being Developed ‎ (← links)
  • 05000311/LER-1982-110-03, /03L-0:on 820926,no Indication of Seal Interspace Air Pressure Found on Containment Air Lock.Air Lock Also Failed Seal Leakage Test.Caused by Loose Pivot on Air Interlock Linkage.Leakage Caused by Failure of Seal Joint ‎ (← links)
  • 05000311/LER-1982-107-03, /03L-0:on 820923,axial Flux Distribution Went Out of Target Band Due to Turbine Load Reduction When Turbine Generator Stator Water Temp Increased.Temp Increase Caused by Clogged Ports on Valve Positioner 2ST1 ‎ (← links)
  • 05000311/LER-1982-116-03, /03L-0:on 820927 & 28,RCS Subcooling Margin Monitor Failed.Caused by Malfunction of Computer Logic Board in Process Computer & Previous Repair of Computer, Respectively.Logic Board Replaced & Point Reset ‎ (← links)
  • 05000272/LER-1982-075-03, /03L-0:on 820927 Pressurizer Level Channel III Read High.Channel Bistable Placed in Tripped Condition Constituting Operation in Degraded Mode.Cause Under Investigation.Supplemental Rept Will Be Submitted ‎ (← links)
  • 05000272/LER-1982-072-03, /03L-0:on 820925,exhaust Fan 11 Drive Belts in Fuel Handling Area Discovered Broken & Fan 12 Belts Loose & Operating at Less than Normal Speed.Caused by High Ambient Temp in Vicinity of Fans.Belts Replaced ‎ (← links)
  • 05000272/LER-1982-045-04, Waste Monitor Tank Sample Discarded Before Composite Samples Assembled.Caused by Technician Inadvertently Pouring Out Sample.Personnel Counseled Re Procedures.Simulated Sample Made ‎ (← links)
  • 05000272/LER-1982-050-04, Atlantic Loggerhead Turtle Found Impinged on Circulating Water Sys Intake Trash Bars.Caused by Inability of Turtle to Actively Avoid Approach Velocities to Intake Due to Weakened State ‎ (← links)
  • 05000272/LER-1982-070-03, /03L-0:on 820912 & 14,pressurizer Pressure Controller Shifted to Manual Mode W/Decreasing Pressure. Caused by Intermittent Problem in Pressure Controller or manual-auto station.Manual-auto Station Replaced ‎ (← links)
  • 05000311/LER-1982-111-01, /01T-0:on 821002,small Svc Water Leak of 0.5 Gpm Discovered on Cooling Coils of Containment Fan Coil Unit 23. Caused by Erosion of Cooling Coils by Silt in Svc Water. Belzona Metal Filler Used in Repair.New Coils Purchased ‎ (← links)
  • 05000311/LER-1982-102-03, /03L-0:on 820823,130-ft Elevation Containment Air Lock Declared Inoperable After Excessive Leakage Discovered Past Inner Door Seals.Caused by Closing Door W/Excessive Force.Seal Replaced.Installation of Snubbers Proposed ‎ (← links)
  • 05000311/LER-1982-093-01, /01T-0:on 820910,containment Fan Coil Unit 21 Declared Inoperable When Svc Water Leak Discovered.Caused by Erosion of Cooling Coil.Leaking Coil Blanked Off.Design Change Submitted to Replace Coils W/Erosion Resistant Matl ‎ (← links)
  • 05000311/LER-1982-088-03, /03L-0:on 820824,containment Fan Coil Unit 25 Declared Inoperable After Low Svc Water Flow Observed.Caused by Air Regulator Being Out of Adjustment.Air Regulator Adjusted & Fan Coil Unit Satisfactorily Tested ‎ (← links)
  • 05000272/LER-1982-068-03, /03L-0:on 820827,100-ft Elevation Containment Air Lock Declared Inoperable After Excessive Leakage Discovered Past Inner Door Seals.Caused by Closing Door W/Excessive Force.Seal Replaced.Installation of Snubbers Proposed ‎ (← links)
  • 05000311/LER-1982-094-03, /03L-0:on 820825,2C Vital Bus Undervoltage Relay Failed to Trip at Required Setpoint.Caused by Setpoint Drift.Channel Declared Operable & Action Statement 3.3.2a Action 14 Terminated ‎ (← links)
  • 05000311/LER-1982-090-03, /03L-0:on 820822,operator Discovered Seal Cut on 100-ft Elevation Containment Air Lock Outer Door.Caused by Rubber Seal Partially Leaving Retaining Groove Due to Personnel Closing Door W/Excessive Force.Seal Replaced ‎ (← links)
  • 05000311/LER-1982-096-03, /03L-0:on 820831,containment Fan Coil Unit 23 Declared Inoperable When Operator Received Indication of Low Svc Water Flow.Caused by Silt Buildup in Cooling Coils.Flow Control Valve Cycled & Unit Tested Satisfactorily ‎ (← links)
  • 05000311/LER-1982-092-01, /01T-0:on 820908,svc Water Leak Discovered on Containment Fan Coil Unit 21.Caused by Erosion of Motor Cooling Coils.Motor Cooler Replaced & Fan Coil Tested Satisfactorily ‎ (← links)
  • 05000272/LER-1982-065-03, /03L-0:on 820818,operator Received Alarms on Radiation Monitoring Sys,Rendering Channels 1R11A,1R12A & 1R12B Inoperable.Caused by Torn Filter Paper Jamming in Unit.Paper Replaced & Sys Tested Satisfactorily ‎ (← links)
  • 05000311/LER-1982-080-01, /01P:on 820821,svc Water Leak Discovered Inside Containment Bldg,On Containment Fan Coil Unit 24.Cause Not Stated.Investigation Underway ‎ (← links)
  • 05000311/LER-1982-089-01, /01P-0:on 820830,during Routine Power Operation, Svc Water Leak Discovered Inside Containment Bldg on Containment Fan Coil Unit 23.Cause Being Investigated.Rept Will Be Submitted Per IE Bulletin 80-24 ‎ (← links)
  • 05000311/LER-1982-077-01, /01T-0:on 820818,containment Sump Pump Discovered Leaking & Containment Fan Coil Unit 21 Indicated Increased Humidity & Rising Drain Pot Level.Caused by Leaking Secondary Coil Due to Erosion of Piping ‎ (← links)
  • 05000311/LER-1982-153-03, /03L-0:on 821213,while Performing Sp on 100-ft Elevation Containment Air Lock,Determined Leakage Rate Exceeded Tech Spec Limit.Caused by Excessive Air Flow Past Inner Door Seal.Door Seal Repositioned in Groove ‎ (← links)
  • 05000311/LER-1982-152-03, /03L-0:on 821207,investigation of High Reading on Number 23 Steam Generator Steam Flow Channel II Revealed Transmitter Out of Calibr.Caused by Isolated Failure of Transmitter.Device Replaced & Channel Calibr ‎ (← links)
  • 05000311/LER-1982-150-03, /03L-0:on 821203,rod Position Indicator 2B4 Read 14 Steps Lower than Bank Demand Position Indicator. Caused by Channel Indicator Drift.Indicator Recalibr ‎ (← links)
  • 05000311/LER-1982-148-03, /03L-0:on 821208,steam Generator 21 Level Channel II Instrument Observed to Have Failed High.Caused by Leakage Past Packing of Instrument Root Valve 21BF23.Valve Repacked & Channel Tested Satisfactorily ‎ (← links)
  • 05000311/LER-1982-147-03, /03L-0:on 821205,during Routine Operation,Vital Bus 2A de-energized Due to Spurious Actuation of Safeguards Equipment Control Cabinet 2A.Caused by Noise in Sys Control Circuitry.Vital Bus Restored ‎ (← links)
  • 05000311/LER-1982-144-03, /03L-0:on 821126,light on Control Console Indicated Closed During Attempt to Open Nitrogen Supply Header Valve 2NT32.Caused by Internal Binding.Valve Closed & Leak Rate Test Performed ‎ (← links)
  • 05000311/LER-1982-140-03, /03L-0:on 821121,while Performing Surveillance Procedure SP(0)4.6.1.3 on 130 Ft Elevation Containment Airlock,Leakage Rate Exceeded Tech Specs.Caused by Excessive Air Flow Past Inner Door Seal.Seal Repositioned ‎ (← links)
  • 05000272/LER-1982-051-03, /03X-1:on 820728,following Reactor Trip,Level in Auxiliary Feed Storage Tank Dropped Below Tech Spec Min. Caused by Binding of Valve 1DR6.Valve Manually Cycled & Tank Level Restored to Normal.Valve Returned to Remote Mode ‎ (← links)
  • 05000272/LER-1982-067-03, /03L-0:on 820912,no Indication of Svc Water Flow to Containment Fan Coil Unit 11 Noted While Coil Unit 14 Inoperable.Caused by Terminal Screw on Svc Water Flow Transmitter Breaking Off.Screw Replaced ‎ (← links)
  • 05000311/LER-1982-104-03, /03L-0:on 820908,vital Bus 2A Would Not Transfer Automatically from One 4 Kv Transformer to Another.Caused by Dirt in Undervoltage Relay.Relay Cleaned ‎ (← links)
  • 05000311/LER-1982-073-01, /01T-0:on 820813,during Containment entry,1.5 Gpm Svc Water Leak Discovered on Containment Fan Coil Unit 23. Caused by Failed Cooling Coil Due to Erosion by Silt Particles.Leak Repaired W/Belzona Metal Filler ‎ (← links)
  • 05000272/LER-1982-066-03, /03X-1:on 820825,100 Ft Elevation Containment Air Lock Outer Door Discovered Not Properly Sealed.Caused by Seal Damage Due to Personnel Closing Door W/Excessive Force. Seal Replaced & Door Tested Satisfactorily ‎ (← links)
  • 05000311/LER-1982-086-03, /03L-0:on 820915,water Observed Dripping from Oil Level Sightglass on Svc Water Pump Motor.Caused by Failed Motor Bearing Oil Cooler Due to Accelerated Erosion & Corrosion.Failed Cooler Repaired ‎ (← links)
  • 05000311/LER-1982-109-01, /01T-0:on 820923,svc Water Leakage of Approx 0.6 Gpm Discovered on Containment Fan Coil Unit 21 Cooling Coil. Caused by Erosion by Silt in Svc Water.Leaks Repaired W/ Blanked Flange & Belzona Metal Filler ‎ (← links)
  • 05000311/LER-1982-105-03, /03L-0:on 820908,svc Water Flow to Containment Fan Coil Unit 22 Found Less than Required by Tech Specs.Caused by Silt Deposited in Cooling Coils Restricting Svc Water Flow.Pressure Control Valve Cycled to Flush Out Silt ‎ (← links)
  • 05000311/LER-1982-097-03, /03L-0:on 820910,RCS Water Inventory Not Performed within Specified Time Interval.Caused by Failure of Surveillance to Make Allowance for Routine Unavoidable Transients Precluding Inventory Performance ‎ (← links)
  • 05000311/LER-1982-103-03, /03L-0:on 820904,while Running Auxiliary Alarm Summary,Control Breaker Alarm Observed for Containment Spray Pump 21.Caused by Opened 4 Kv Breaker Hl Contact.Breaker Racked Out & Pump Declared Operable ‎ (← links)
  • 05000272/LER-1982-071-04, /04L-0:on 820827,control Operator Discovered Increasing Level on Plant Vent Radioactivity Monitor & Issued Significant Event Notifications for Unplanned Releases.Caused by Primary Coolant Leakage from RCS Filter ‎ (← links)
  • 05000311/LER-1982-012-03, /03X-1:on 820209,steam Generator Level Channel 2 Displayed Erratic Behavior,Indicating Drift.Apparently Caused by Intermittent Ground on Signal Lead.Ground Eliminated by Lifting Leads While Troubleshooting Problem ‎ (← links)
  • 05000272/LER-1982-074-04, /04L-0:on 820903,indication of Unplanned Release Through Plant Vent Received.Three Individuals Contaminated During Attempts to Locate Source.Caused by Door Hitting Against Drain Valve 1CV332,causing Valve to Loosen & Open ‎ (← links)
  • 05000311/LER-1982-098-03, /03L-0:on 820901,indication of Low Svc Water Flow Received on Containment Fan Coil Unit 21.Caused by Silt build-up in Cooling Coils.Svc Water Flow Control Valve Cycled & Coil Unit Tested Satisfactorily ‎ (← links)
  • 05000272/LER-1982-073-03, /03L-0:on 820906,calculation Showed That Quadrant Power Tilt Ratio for Bottom Detector N42 Exceeded Max Allowable Limit.Caused by Failed Milliamp Detector Switch in Current Meter Assembly.Assembly Replaced & Channel Tested ‎ (← links)
  • 05000311/LER-1982-061-03, /03X-1:on 820716,steam Generator Level Channel II Indication Erratic.Caused by Leakage Past Packing on Root Valve 21BF28.Valve Repacked & Leakage Stopped ‎ (← links)
  • 05000311/LER-1982-099-03, /03L-0:on 820902,control Room Operator Received Indication of Low Svc Water Flow on Containment Fan Coil 23. Caused by Silt Buildup in Cooling Coils.Svc Water Flow Control Isolation Valve Cycled ‎ (← links)
  • 05000311/LER-1982-101-01, /01T-0:on 820916,svc Water Leakage Discovered in Cooling Coils of Containment Fan Coil Unit 21.Caused by Excessive Erosion of Cooling Coils by Silt.Coils Repaired. New Design Coils Will Be Installed During Next Refueling ‎ (← links)
  • 05000311/LER-1982-072-03, /03L-0:on 820820,reactor Trip Breaker B Would Not Trip as Required During Surveillance Testing.Caused by Failure of Undervoltage Coil.Reactor Trip Breaker Replaced W/Train Bypass Breaker a ‎ (← links)
  • 05000311/LER-1982-091-01, /01T-0:on 820906,containment Fan Coil Unit 23 Found Leaking Svc Water.Caused by Erosion of Copper Nickel Cooling Coils by Silt Laden Svc Water.Leaking Coil Blanked Off.Coils Will Be Replaced W/Erosion Resistant Matl ‎ (← links)
  • 05000311/LER-1982-081-03, /03L-0:on 820813,RCS Chemistry Surveillance,Due 820813,had Not Been Completed Until 820814.Caused by Oversight by Chemistry Analyst.Chemistry Analyst Counseled ‎ (← links)
  • 05000272/LER-1982-062-03, /03L-0:on 820813,RCS Chemistry Surveillance Not Completed on Schedule.Caused by Oversight of Chemistry Analyst.Surveillance Completed & Analyst Cautioned ‎ (← links)
  • 05000272/LER-1982-063-03, /03L-0:on 820812,during Routine Operation,Pressure Level Channel III Indication Read High.Caused by Failed Level Transmitter.Pressurizer Level Transmitter Replaced & Channel Calibr ‎ (← links)
  • 05000272/LER-1982-058-03, /03L-0:on 820809,steam Generator 12 Pressure Indication at Remote Shutdown Panel Failed Low.Caused by Transistor Failure in Instrument Power Supply.Failed Transistor Replaced ‎ (← links)
  • 05000311/LER-1982-084-01, /01T-0:on 820829,discovered Svc Water Leak of 0.5 Gpm on Containment Fan Coil Unit 23.Caused by Erosion of Copper Nickel Cooling Coils.Coil Repaired W/Belzona ‎ (← links)
  • 05000311/LER-1982-071-03, /03L-0:on 820729,nitrogen Pressure in Accumulator 22 Dropped Below Tech Spec Pressure of 595.5 Psig.Caused by Operator Error.Accumulator Nitrogen Pressure Restored to Correct Pressure ‎ (← links)
  • 05000272/LER-1982-054-03, /03L-0:on 820731,unidentified RCS Leakage Found to Be Greater than Tech Spec Limit.Caused by Failed Packing on Valve 1CV75.Valve Repacked & Will Be Permanently Repaired During Next Refueling Outage ‎ (← links)
  • 05000272/LER-1982-055-03, /03L-0:on 820801,during Surveillance Testing of Fire Suppression Sys,Number 1 Fire Pump Would Not Start from Automatic Initiation.Caused by Failed Battery Charger Fuse.Fuse Replaced & Battery Charged ‎ (← links)
  • 05000272/LER-1982-052-03, /03L-0:on 820729,control Room Operator Observed RCS Subcooling Margin Recorder Had Failed.Data Points for Monitor Had Been Removed from Process Computer During Sys Maint Earlier That Day.Points Restored ‎ (← links)
  • 05000311/LER-1982-060-03, /03L-0:on 820722,level Accumulators 24 & 23 Determined Below Operating Band & Declared Inoperable.Caused by Drift of Level Indications.Sightglass Indications Installed on Both Accumulators ‎ (← links)
  • 05000311/LER-1982-074-01, /01T-0:on 820813,leakage to Containment Sump Increased.Caused by Cooling Coil Failures Resulting from Erosion by Silt Particles in Svc Water.Leak Repaired by Blanking Flanges in Lines to Coil ‎ (← links)
  • 05000272/LER-1982-048-03, /03L-0:on 820724,inner Door Seal Leakage of 100 Ft Elevation Containment Air Lock Door Greater than Tech Spec. Caused by Personnel Closing Door W/Excessive Force.Seal Replaced & Personnel Trained in Proper Door Closing ‎ (← links)
  • 05000311/LER-1982-075-01, /01T-0:on 820814,1 Gpm Svc Water Leak Discovered on Containment Fan Coil Unit 22.Cause Not Stated.On 820815, Similar Leak Discovered on Unit 24.Unit 22 Repaired by Blanking Flanges in Svc Water Piping to Coil ‎ (← links)
  • 05000311/LER-1982-070-01, /01T-0:on 820809,0.5 Gpm Svc Water Leak Observed on Containment Fan Coil Unit 24.Caused by Failed Cooling Coil Due to Erosion from Silt Particles in Svc Water.Leakage Stopped by Blanking Flanges in Lines to Coils ‎ (← links)
  • 05000272/LER-1982-035-99, /99X-0:on 820526 & 0603,fire Pump 2 Failed to Start.Apparently Caused by Control Circuit Malfunction. Investigation Underway.Hope Creek Fire Suppression Sys Will Be Used in Interim ‎ (← links)
  • 05000311/LER-1982-047-03, /03L-0:on 820530,while Entering Containment,Maint Personnel Unable to Shut Inner Door on 100-ft Elevation Containment Air Lock.Caused by Maladjusted Latch Linkage. Linkage Adjusted.No Further Action Necessary ‎ (← links)
  • 05000311/LER-1982-043-03, /03L-0:on 820524,during Routine surveillance,16 Valves Discovered Missing from Surveillance Procedures SP(o)4.6.1.1A1.Valves Omitted from Surveillance inadvertently.In-depth Investigation of Piping Sys Underway ‎ (← links)
  • 05000311/LER-1982-024-03, /03L-0:on 820328,sample Results from 21 & 22 Boric Acid Storage Tanks & Boron Injection Tank Indicated Boric Acid Concentrations Below Spec Limit.No Cause Determined. Boric Acid Added ‎ (← links)
  • 05000272/LER-1982-049-03, /03L-0:on 820724,hot Leg Pressure Wide Range Instrument Indication Read Lower than Actual RCS Pressure. Caused by Failed Printed Circuit Board in Pressure Transmitter.Circuit Board Replaced & Channel Recalibr ‎ (← links)
  • 05000272/LER-1982-047-03, /03L-0:on 820726,containment Plant Vent Monitor Sample Pump Found de-energized & Failed to Start.Supply Breaker Found Tripped.Cause Undetermined.Breaker Reset & Closed & Pump Sucessfully Started from Control Room ‎ (← links)
  • 05000311/LER-1982-069-03, /03L-0:on 820724,control Operator Observed Erratic Operation of Reactor Coolant Pump 23 Flow Channel Iii.Caused by Flow Transmitter Ferrite Slug Failure.Failed Transmitter Replaced & Channel Recalibr ‎ (← links)
  • 05000311/LER-1982-068-03, /03L-0:on 820722,control Room Operator Received Indication of Malfunction of Containment Plant Monitoring Sys.Caused by Improper Screw Adjustment Resulting in Binding of Channel 2R11A Filter Paper.Screws Adjusted ‎ (← links)
  • 05000311/LER-1982-064-03, /03L-0:on 820717,ECCS Heat Tracing Circuits 2610A & 2608B Found Reading Less than Tech Specs.Caused by Broken Wire in Circuit 2610A Control Panel.Wire Trimmed & Reconnected & Heat Tracing Circuit Replaced ‎ (← links)
  • 05000311/LER-1982-063-03, /03L-0:on 820718,4-kV Supply Breaker 21 ASD Tripped open,de-energizing 2A Vital Bus,Starting 2A Diesel Generator & de-energizing Bus Loads.Caused by Failed Card File Assembly.Assembly Replaced ‎ (← links)
  • 05000311/LER-1982-062-03, /03L-0:on 820715,discovered That Annual Cycling of Testable Automatic Valves in Fire Suppression Sys Not Performed Since 810116.Caused by Failure to Issue New Procedure Due to Prematurely Canceled Computer Insp Order ‎ (← links)
  • 05000311/LER-1982-067-03, /03L-0:on 820720,during Channel Testing,Control Room Operator Discovered That Steam Generator 24 Feedwater Channel 2 Flow Indication Was Operating Erratically.Caused by Failure of Flow Transmitter.Transmitter Replaced ‎ (← links)
  • 05000311/LER-1982-065-03, /03L-0:on 820720,zero Svc Water Flow to Containment Fan Coil Unit 24 Discovered During Surveillance Testing.Caused by Failure of Actuator on Valve 24SW223.Rod End Bearing Assembly Replaced ‎ (← links)
  • 05000311/LER-1982-066-03, /03L-0:on 820720,during Monthly Channel Functional Test for Steam Generator 21 Steam Flow Channel Ii,High Trip Setpoint Exceeded Tech Spec.Caused by Failed Capacitors. Capacitors Replaced ‎ (← links)
  • 05000272/LER-1982-050-03, /03L-0:on 820710,Atlantic Loggerhead Turtle Impinged on Circulating Water Sys Intake Trash Bar.Turtle Dead When Collected.Sys Circulates Large Amounts of River Water & Dead/Damaged Turtles Can Easily Be Impinged ‎ (← links)
  • 05000272/LER-1982-043-03, /03L-0:on 820704,control Room Operator Received Air Particulate Detector Trouble Alarm on Panel 1RP1.Caused by Exhausted Filter Paper Supply Roll Due to Increased Use of Paper from Clearing Filter in Fast Mode.Roll Replaced ‎ (← links)
  • 05000272/LER-1982-045-03, /03L-0:on 820710,sample from Waste Monitor Tank 12 Discarded Before Composite Analysis Could Be Performed. Caused by Technician Error.Sample from Similar Release Doubled Composited ‎ (← links)
  • 05000272/LER-1982-042-03, /03L-0:on 820628,valves Discovered Open & Not Properly Locked.Caused by Improperly Locked Valve Upon Completion of Valve Position Verifications.Review of Incident Incorporated Into Safety Tagging Training Program ‎ (← links)
  • 05000311/LER-1982-056-03, /03L-0:on 820701,personnel Discovered Inner Door Seal Leakage in 100-ft Elevation Containment Air Lock.Caused by Door Slamming,Forcing Seal Out of Proper Position.Seal Repositioned ‎ (← links)
  • 05000311/LER-1982-054-03, /03L-0:on 820623,steam Generator 21 Steam Pressure Channel II Observed Reading Low.Caused by Failed Pressure Transmitter.New Transmitter Installed & Calibr ‎ (← links)
  • 05000311/LER-1982-050-03, /03L-0:on 820617,svc Water Flow to 21,22 & 23 Containment Fan Coil Units Less than Amount Required by Tech Specs.Caused by Oysters Plugging SW57 Valves.Oysters Removed by Cycling or Disassembly of Valves ‎ (← links)
  • 05000311/LER-1982-051-03, /03L-0:on 820618,elevation Containment Air Lock Seal Leakage Was Greater than Tech Spec Limit.Caused by Improperly Positioned Seal.Seal Repositioned ‎ (← links)
  • 05000311/LER-1982-018-03, /03L-0:on 820304,steam Generator 24 Feedwater Channel 2 Flow Indicator Failed.Caused by Failure of Force Motor in Flow Transmitter.Transmitter Properly Repaired, Calibr & Returned to Svc ‎ (← links)
  • 05000272/LER-1982-014-03, /03L-0:on 820306,wind Speed Indications for 150 & 300-ft Elevations Failed.Local Indications Also Failed. Caused by iced-up Anemometers.Anemometers Thawed & Declared Operable ‎ (← links)
  • 05000311/LER-1982-019-03, /03L-0:on 820307,undervoltage Condition in Safeguards Equipment Control Cabinet Caused Mod 1 2A Sec Actuation.Caused by Failure of Card File Assembly.Card File Assembly Replaced & Loads Secured.Sys Returned to Svc ‎ (← links)
  • 05000311/LER-1982-023-03, Elevation Air Lock Inner Door Seal Pressure Failed Twice to Meet Required Pressure.First Event Caused by Plugged Seal Air Pressurization Line;Second by Leak Inner Door Seals ‎ (← links)
  • 05000311/LER-1982-023, Forwards Corrected LER 82-023/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-027-99, During Surveillance Testing,Fire Pump 2 Did Not Start in Automatic Mode & Declared Inoperable.Caused by Damaged Flywheel.Flywheel Repaired ‎ (← links)
  • 05000272/LER-1982-027, Forwards Corrected LER 82-027/99X-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-030, Corrected Copy of LER 82-030/03L-0:on 820417,containment Fan Coil Unit 24 Supply Breaker Tripped Due to Overcurrent Condition.Caused by Improperly Positioned Guillotine Damper. Unit Lubricated & Guillotine Damper Repositioned ‎ (← links)
  • 05000272/LER-1982-020-03, /03L-0:on 820405,on Two Occasions,Auxiliary Feedwater Storage Tank Contained Vol Decreased Below Tech Spec Limit.Caused by Failure to Initiate make-up to Tank Before Increasing Steam Generator Levels & Failure of 1DR6 ‎ (← links)
  • 05000272/LER-1982-020, Forwards LER 82-020/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-030-03, /03L-0:on 820417,24 Containment Fan Coil Unit Supply Breaker Tripped.Caused by Improperly Positioned Guillotine Damper Resulting in Overcurrent Condition.Unit Lubricated & Guillotine Damper Repositioned ‎ (← links)
  • 05000311/LER-1982-026-03, /03L-0:on 820418,during Routine Operation,Control Room Operator Noted RPI 1C4 More than 12 Steps Lower than Bank Demand Position Indicator.Caused by Instrument Drift. RPI Recalibr & Tested Satisfactorily ‎ (← links)
  • 05000311/LER-1982-026, Forwards LER 82-026/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-023-03, /03L-0:on 820406,containment-plant Vent Radioactivity Monitors Became Inoperable When Air Supply to Valves 1VC8 & 1VC10 Tagged Out for Maint.Caused by Personnel Failure to Consider Loss of Air to Valves ‎ (← links)
  • 05000272/LER-1982-023, Forwards LER 82-023/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-026-03, /03L-0:on 820409 & 13,boric Acid Storage Tanks 11 & 12 & Boron Injection Tank Boron Concentrations Decreased Below Tech Spec Limit.Caused by Leakage of Charging Water Past Damaged Seat on 1SJ4 ‎ (← links)
  • 05000272/LER-1982-026, Forwards LER 82-026/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-024-03, /03L-0:on 820410,during Surveillance Testing,Svc Water Flow to Containment Fan Coil Unit 12 Was Less than Required.Caused by Stuck Flow Control Valve 12SW223.Valve Exercised ‎ (← links)
  • 05000272/LER-1982-022-03, /03L-0:on 820405,svc Water Flow 14 Containment Fan Coil Unit Was Less than 700 Gpm Required.Caused by Decrease in Output Flow Control Valve 14SW57 High Speed Air Supply. Regulator Blown Down & Setpoint Readjusted ‎ (← links)
  • 05000272/LER-1982-022, Forwards LER 82-022/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-021-03, /03L-0:on 820405,indication for 12 Steam Generator Steam Flow Channel 2 Failed High.Caused by Leakage from Loose Tubing Fitting on Flow Transmitter.Fitting Tightened, Transmitter Filled & Returned to Svc ‎ (← links)
  • 05000272/LER-1982-021, Forwards LER 82-021/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-019-03, /03L-0:on 820329,fire Pump 2 Would Not Start in Automatic Mode.Caused by Failure of Voltage Regulator & Starter Motor.Regulator & Starter Replaced & Pump Returned to Svc ‎ (← links)
  • 05000272/LER-1982-019, Forwards LER 82-019/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-017-03, /03L-0:on 820228,while Starting Containment Fan Coil Unit 22,operator Found Svc Water Flow Indicating Zero. Caused by Low Svc Water Flow.Valve 22SW223 Exercized & Action Statement Terminated ‎ (← links)
  • 05000272/LER-1982-013-03, /03L-0:on 820301,control Room Operator Closed Pressurizer Relief Valve 1PR1 When Valve 1PR2 Was Still Closed.Caused by Operator Error.Operator Counseled by Senior Shift Supervisor ‎ (← links)
  • 05000272/LER-1982-013, Forwards LER 82-013/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-015-03, /03L-0:on 820221,reactor Coolant Leak Rate Surveillance 4.4.7.2.d Was Not Performed.Caused by 820219 Reactor Trip,Precluding Necessary Steady State Condition for Test.Surveillance Performed When Conditions Stabilized ‎ (← links)
  • 05000272/LER-1982-012-03, /03L-0:on 820223,operator Found Significant Amount of Chromated Water on Floor in Diesel Generator 1B Cubicle. Caused by Leakage on Right Side Jacket Water Heater.Jacket Water Heaters Replaced ‎ (← links)
  • 05000272/LER-1982-012, Forwards LER 82-012/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-016-03, /03L-0:on 820226 & 27,axial Power Distribution Drifted Out of Power Band.Caused by Clogged Screens Tripping Circulator.Power Restored & Action Statement Terminated ‎ (← links)
  • 05000311/LER-1982-016, Forwards LER 82-016/03L-0.Detailed Event Rept Encl ‎ (← links)
  • 05000311/LER-1982-014-03, /03L-0:on 820219,steam Generator 21 Level Channel 2 Read 20% Higher than Channels 3 & 4.Channel 2 Declared Inoperable.Cause Unknown.Transmitter Tested & Found Satisfactory.Sensing Lines Blown Down to Remove Solids ‎ (← links)
  • 05000311/LER-1982-014, Forwards LER 82-014/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-013-03, L-0:on 820215,shift Supervisor Informed That Two 4-inch Core Bores Opened on 78-ft Elevation Between Mechanical & Electrical Penetration Areas.No Fire Watch Posted.Caused by Inadvertently Posting Watch on Wrong Unit ‎ (← links)
  • 05000311/LER-1982-013, Forwards LER 82-013/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-005-03, /03L-0:on 820121,during Performance of M3T Maint Surveillance Test Undervoltage Relay on 2C Vital Bus Actuated at 5.5 Volts Instead of 77.3 Volt Trip Setpoint Value.No Defects Found.Relay Recalibr ‎ (← links)
  • 05000311/LER-1982-005, Forwards LER 82-005/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-010-03, /03X-1:on 820201,temporary Hose Connection from Unit 1 Spent Fuel Pool to Unit 2 Exchanger Found Leaking on Auxiliary Bldg 84-ft Elevation.Caused by Improper Clamp Installation.Hose Disconnected ‎ (← links)
  • 05000272/LER-1982-010, Forwards LER 82-010/03X-1.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-010-03, /03L-0:on 820201,discrepancy Between Individual Rod Position Indicator (Irpi) & Control Rod Bank Demand Indicator for Rod 2C2 Exceeded 12 Steps in Either Direction. Caused by Incorrect Calibr of Irpi.Irpi Calibr ‎ (← links)
  • 05000311/LER-1982-010, Forwards LER 82-010/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-011-03, /03L-0:on 820205,during Radiological Survey of Hot Laundry Trailer Area,Technician Discovered Lint from Dryer Exhaust of Trailer B Revealing Traces of Cs-137,Co-60 & Co-58.New Trailer & Lint Collector Installed ‎ (← links)
  • 05000311/LER-1982-011, Forwards LER 82-011/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-008-03, /03L-0:on 820128,overpower Delta T Indication for Channel 21 Failed High.Caused by Signal Summator 2T-M412E Having No Output Due to Failed Capacitors. Five Capacitors Replaced ‎ (← links)
  • 05000311/LER-1982-008, Forwards LER 82-008/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-009-03, /03L-0:on 820129,air Particulate Detector Pump Low Flow Alarm Annuniciated.Caused by Incorrect Normal Flow Valve Lineup to Pump.Pump Removed from Normal Flow & Placed in Backup Flow Lineup ‎ (← links)
  • 05000311/LER-1982-009, Forwards LER 82-009/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-006-03, /03L-0:on 820128,svc Water Flow Indicator Indicated No Flow Condition.Caused by Svc Water Discharge Valve 22SW223 Being Stuck Shut.Valve Opened,Locally Tested & Returned to Svc ‎ (← links)
  • 05000311/LER-1982-006, Forwards LER 82-006/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-008-03, /03L-0:on 820126,sample Results from Boric Acid Tanks Indicated Boric Acid Concentration Below Tech Specs. Refueling Water Storage Tank Low.Core Alterations & Positive Reactivity Changes Suspended.Level Adjusted ‎ (← links)
  • 05000272/LER-1982-009-03, /03L-0:on 820118 & 25,switches for Cardox Fire Suppression Sys for 1A,1B & 1C Diesel Generator Areas & Fuel Oil Storage Tank Area 12 Had Been in Manual Position for Greater than 14 Days Due to Maint Outage ‎ (← links)
  • 05000311/LER-1982-002-03, /03L-0:on 820111,2A1 Battery Charger Tripped, Was Reset & Tripped Again.No Problem Found.Subsequent Trip Caused by Difference Between Battery Voltage & Battery Charger Voltage Setting.Personnel Instructed ‎ (← links)
  • 05000311/LER-1982-003-03, /03L-0:on 820112,during Routine Calibr Testing, Radiation Monitor 2R11A Found Out of Calibr.Caused by Instrument Drift.Monitor Recalibr & Tested Satisfactorily ‎ (← links)
  • 05000311/LER-1982-003, Forwards LER 82-003/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-006-03, /03L-0:on 820113,air Particulate Detector Failed. Cause Not Stated.All Required Containment Purge & Pressure Vacuum Relief Penetrations Isolated.High & Low Speed Filter Paper Drives Replaced ‎ (← links)
  • 05000272/LER-1982-006, Forwards LER 82-006/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-001-03, /03L-0:on 820110,steam Generator 24 Pressure Channel 4 Failed High.Caused by Ventilation Damper Sticking Open,Freezing Pressure Sensing Line.Damper Freed & Closed. Line Thawed ‎ (← links)
  • 05000272/LER-1982-001-03, Pressurizer Overprotection Sys Valve 1PR1 Was Isolated Due to Leakage. on 820107,while Draining Rcs,Valve 1RP2 Would Not Open. Caused by Generic Problem.Reactor Vessel Head Removed ‎ (← links)
  • 05000272/LER-1982-001, Forwards Revised LER 82-001/03X-1.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-002-01, /01T-0:on 820119,indications of Tube Thinning Were Detected by Eddy Current Exam.Steam Generators 12 & 14 Required Two & Three Sample Insp,Respectively.All Defective Tubes & Tubes Degraded Above 30& Plugged ‎ (← links)
  • 05000272/LER-1982-003-03, /03L-0:on 820106,1B & 1C Diesels Locked Out, Rendering Diesels Inoperable at Same Time.On 820106,diesel Generator 1C Declared Inoperable While Diesel 1B Out of Svc for Maint.Caused by Misinterpretation of Lockout Switch Tag ‎ (← links)
  • 05000272/LER-1982-004-03, /03L-0:on 820109,primary Coolant Water Sample Results Indicated Excessive Boron Concentration,Constituting Positive Reactivity Change.Caused by Water Draining Out of Steam Generator Tubes.Rcs Rapid Boration Initiated ‎ (← links)
  • 05000311/LER-1982-157-03, /03L-0:on 821231,operator Discovered Low Pressure Carbon Dioxide Storage Tank Pressure Less than Required 285 Psig.Caused by Sys Refrigeration Compressor Failure. Switch Cycled & Recalibr ‎ (← links)
  • 05000311/LER-1982-156-03, /03L-0:on 821229,control Room Operator Observed Reactor Coolant Loop 23 Flow Channel III Reading Erratically.Caused by Plugged Transmitter Sensing Line. Sensing Line Backflushed.Transmitter Recalibr ‎ (← links)
  • 05000311/LER-1982-149-03, /03L-0:on 821228,during Surveillance on Svc Water Pump 21,discharge Strainer Differential Pressure Exceeded Limits.Caused by Grassy Debris & Silt Plugging Strainer. Strainer Cleaned ‎ (← links)
  • 05000311/LER-1982-154-03, /03L-0:on 821213,during Routine Channel Function Test,Steam Generator Steam Pressure Channel III Bistable Setpoint Observed Less than 480 Psig.Caused by Failure of Capacitor Incomparator 2PC 526 C/D.Capacitors Replaced ‎ (← links)
  • 05000311/LER-1982-154, Forwards LER 82-154/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-155-03, /03L-0:on 821224,containment Fan Coil Unit 23 Svc Water Flow Found Less than Tech Specs.Cause Not Stated.Back Pressure Control Valve 23SW57 Locally Cycled to Flush Out Svc Water Piping & Return Flow to Normal ‎ (← links)
  • 05000311/LER-1982-155, Forwards LER 82-155/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-089-03, /03L-0:on 821213,due to Excessive Leakage from Mechanical Seal,Rhr Pump 12 Declared Inoperable.Caused by Failure of Mechanical Seal.Seal Replaced & Surveillance Test Satisfactorily Performed ‎ (← links)
  • 05000272/LER-1982-089, Forwards LER 82-089/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-092-03, /03L-0:on 821206,containment Air Particulate Monitor 1R11A Indication Found Failed Low.Caused by Channel Failure Due to Failed Scintillation Detector. Detector Replaced & Channel Tested Satisfactorily ‎ (← links)
  • 05000272/LER-1982-092, Forwards LER 82-092/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-151-03, /03L-0:on 821206,during Normal Operation, Containment Particulate Radioactivity Monitor Discovered Malfunctioning.Caused by Intermittent Connection on One Digital Component.Component Reseated ‎ (← links)
  • 05000311/LER-1982-151, Forwards LER 82-151/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-084-99, /99X-0:on 821011,diesel Generator Area Low Pressure Carbon Dioxide Sys Automatic Actuation Feature Disabled & Tagged Out for Planned Maint.Continuous Fire Watch W/Backup Fire Suppression Equipment Established ‎ (← links)
  • 05000311/LER-1982-126-03, /03L-0:on 821019,analysis of Sample Charging Pump 21 Lube Oil Revealed That water-oil Mixture Existed. Caused by Lube Oil Cooler Failure Due to Excessive Corrosion & Erosion.Cooler Replaced ‎ (← links)
  • 05000272/LER-1982-084, Forwards LER 82-084/99X-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-126, Forwards LER 82-126/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-078-01, /01T-0:on 821017,during Routine Containment Purge, Air Particle Detector Sample Line Found Erroneously Capped During Partial Completion of Design Change Request ED-0014. Caused by Personnel Error.Air Particle Detector Repair ‎ (← links)
  • 05000311/LER-1982-125-03, /03L-0:on 821013,test Sequence for Steam Line Isolation Function on Train B Failed to Operate During Solid State Protection Sys Functional Test.Caused by Failed Circuit Board.Board Replaced & Functional Test Completed ‎ (← links)
  • 05000311/LER-1982-125, Forwards LER 82-125/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-112, Forwards LER 82-112/01T-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-079-03, /03L-0:on 820811,control Room Operator Determined by Containment Sump Pump Run Times,Unidentified Leakage of Greater than 1 Gpm.Caused by Valve 24GBS & Steam Generator Steam Flow Trap Leaking ‎ (← links)
  • 05000272/LER-1982-059-03, /03L-0:on 820809,source Range Neutron Flux Channel 1N31 Indication Failed Low.Channel Declared Inoperable Since Reactor Trip Breakers Open.Caused by Failure of High Voltage Power Supply.Power Supply Replaced ‎ (← links)
  • 05000311/LER-1982-079, Forwards LER 82-079/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-059, Forwards LER 82-059/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-060-03, /03L-0:on 820807,control Operator Attempting to Perform Containment Pressure Relief,Discovered Valve 1VC5 Would Not Open from Control Console.Caused by Failure of Control Air Solenoid Valve on Actuator.Solenoid Replaced ‎ (← links)
  • 05000272/LER-1982-060, Forwards LER 82-060/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-057-03, /03L-0:on 820803,during Routine Operation, Circulator 13A Tripped Resulting in Rapid Load Reduction. Caused by Grass & Debris Clogging Travelling Screen.Screen Cleaned & Circulator Returned to Svc ‎ (← links)
  • 05000272/LER-1982-057, Forwards LER 82-057/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-056-03, /03L-0:on 820802,during Performance of Procedure SP(o)4.0.5-P on Auxiliary Feed Pump 11,recirculation Valve 11AF40 Would Not Open.Caused by Isolated Low Side of Transmitter.Operator Counseled ‎ (← links)
  • 05000272/LER-1982-056, Forwards LER 82-056/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-087-03, /03L-0:on 820816,diesel Generator 2A Air Supply Isolation valves,21DA12C & 22DA12C,discovered Closed.Caused by Personnel Error.Valves Immediately Restored to Open Position.Addl Security/Safety Measures Implemented ‎ (← links)
  • 05000311/LER-1982-087, Forwards LER 82-087/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-061-03, /03L-0:on 820811,svc Water Flow Indication for Containment Fan Coil Unit 13 Erratic.Caused by Silt Plugging High Side Sensing Line of Outlet Flow Transmitter.Sensing Lines Blown Down.Transmitter Returned to Svc ‎ (← links)
  • 05000272/LER-1982-061, Forwards LER 82-061/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-076-03, /03L-0:on 820806,operator Received Indication of Containment Gas Monitor Sys,Channel 2R12A,malfunction.Caused by Failure of Test Jack Due to Improper Electrical Connection of Detector & Meter.Test Jack Replaced ‎ (← links)
  • 05000311/LER-1982-076, Forwards LER 82-076/03L-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000311/LER-1982-089, Forwards LER 82-089/01T-0.Detailed Event Analysis Encl ‎ (← links)
  • 05000272/LER-1982-078, Supplemental LER 82-078/01X-1:on 821017,during Routine Containment Purge,Abnormal Decrease of Radioactivity Levels Observed as Indicated by Containment Plant Vent Monitor. Caused by Sample Line Left Capped ‎ (← links)
  • 05000311/LER-1982-082-03, /03L-0:on 820812,containment Fan Coil Unit 22 Declared Inoperable When Indication of Possible Leak Received.Caused by Condensation on Cooling Coils.No Svc Water Piping Leaks Found.Unit Declared Operable ‎ (← links)
  • 05000311/LER-1982-082, Forwards LER 82-082/03L-0.Detailed Event Analysis Encl ‎ (← links)