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This page provides a simple browsing interface for finding entities described by a property and a named value. Other available search interfaces include the page property search, and the ask query builder.

List of results

• 05000206/LER-1980-037, Forwards LER 80-037/04L-0  + (08:06:18, 11 January 2025)
• ML13316B797  + (08:06:20, 11 January 2025)
• ML13316B796  + (08:06:20, 11 January 2025)
• 05000206/LER-1980-035-01, /01T-0:on 800918,after Installation of Containment Isolation Panels 13A & 13B,problem Arose Which Could Cause Short Circuit or Inadvertent Actuation of Control Circuit. Caused by Poor Switch Design & Improper Application  + (08:06:22, 11 January 2025)
• 05000206/LER-1980-035, Forwards LER 80-035/01T-0  + (08:06:24, 11 January 2025)
• ML13316B791  + (08:06:26, 11 January 2025)
• 05000206/LER-1980-036-03, /03L-0:on 800922,dilution of RCS Occurred When Containment Integrity Had Not Been Established.Caused by RCS Loop Seal Failure During Steam Generator Channel Head Contamination.Loop Seal Replaced & Requalified  + (08:06:27, 11 January 2025)
• 05000206/LER-1980-036, Forwards LER 80-036/03L-0  + (08:06:29, 11 January 2025)
• PNO-V-80-074, on 801008,samples Collected in Yard Drain Sump, Normally Nonradioactive Sys,Were Found to Contain I-131 Activity.No Other Radionuclides Were Present.Licensee Is Investigating Source of Activity  + (08:06:31, 11 January 2025)
• PNO-V-80-068, on 800903,licensee Reported That Certain Combinations of Safety Injection Signals & Loss of Offsite Power Signals Will Cause Failure of Circuits to Sequentially Load Diesel Generator  + (08:06:33, 11 January 2025)
• 05000206/LER-1988-031, :on 880815,determined That Delay Factor of About 400 Ms Was Not Accounted for During Previous Time Tests of Control Element Assembly.Caused by Decay of Control Element Drive Mechanism Coils.Tech Spec Amend Initiated  + (08:06:36, 11 January 2025)
• 05000206/LER-1988-018, :on 881212,determined That Structural Integrity of Sleeved Steam Generator Tubes May Not Have Been in Accordance W/Design Requirements.Caused by Failure to Detect Potentially Missing Tube Roll Expansion.Tubes Removed  + (08:06:38, 11 January 2025)
• ML13316B774  + (08:06:39, 11 January 2025)
• PNO-V-80-068A, on 800923,testing of Diesel Generator Load Sequencer Circuits Has Determined That Previously Reported Problem Does Not Exist.Testing Found When Safety Injection Signal Is Blocked,Loads Will Not Sequence for Loss of Power  + (08:06:41, 11 January 2025)
• PNO-V-80-069A, on 800916,representative of Governor Brown Ofc Contacted Region 5 to Discuss Transient Worker Radiation Exposure in Steam Generator Repair.Governor Ofc Considers Transient Worker Exposure as Misuse of Resources  + (08:06:43, 11 January 2025)
• ML13316B771  + (08:06:44, 11 January 2025)
• ML13316B769  + (08:06:45, 11 January 2025)
• 05000206/LER-1980-034-03, /03L-0:on 800901,during Steam Generator Tube Removal,Unexpected Water in Secondary Side Intruded Into Rcs.Caused by Inadequate Drainage Between Water Source & Generators.Drain Has Been Installed  + (08:06:47, 11 January 2025)
• 05000206/LER-1980-034, Forwards LER 80-034/03L-0  + (08:06:49, 11 January 2025)
• ML13316B765  + (08:06:50, 11 January 2025)
• PNO-V-80-069, advertisement in Southern CA Newspaper Offering $100.00 Per Day for Work Involving Exposure to Radiation Has Attracted Media Attention.Region 5 Is Closely Monitoring Steam Generator Repairs  + (08:06:52, 11 January 2025)
• 05000206/LER-1980-033-01, /01T-0:on 800902,actuation of Safety Injection Block Switch Followed by Loss of Offsite Power Indicated Sequencer Test Box Would Not Perform as Designed.Caused by Design Deficiency.Redesign Is Underway  + (08:06:53, 11 January 2025)
• 05000206/LER-1980-033, Forwards LER 80-033/01T-0  + (08:06:55, 11 January 2025)
• PNO-V-80-067, on 800902,licensee Reported That Workers Involved in Steam Generator Head Entries May Have Radiation Exposures in Excess of 3 Rem Per Quarter.Largest Exposure Is 7 Rem.Caused by Monitoring Chest Instead of Head  + (08:06:58, 11 January 2025)
• ML13316B758  + (08:06:59, 11 January 2025)

• ML13316B756  + (08:07:00, 11 January 2025)

• ML13316B755  + (08:07:01, 11 January 2025)
• ML13316B754  + (08:07:02, 11 January 2025)
• ML13316B753  + (08:07:03, 11 January 2025)
• ML13316B752  + (08:07:04, 11 January 2025)
• ML13316B751  + (08:07:05, 11 January 2025)
• ML13316B749  + (08:07:07, 11 January 2025)
• 05000206/LER-1980-030-04, /04X-0:on 800404,during Routine Data Processing, Thermal Measurement Data Discovered Not Obtained at Station C225 mid-depth from 800123-0304 & at near-bottom from 800304-0404.Cause Not Stated.Endesco Temp Sensors Repaired  + (08:07:08, 11 January 2025)
• 05000206/LER-1980-030, Forwards LER 80-030/04X-0  + (08:07:10, 11 January 2025)
• ML13316B745  + (08:07:12, 11 January 2025)
• ML13316B742  + (08:07:14, 11 January 2025)
• ML13316B741  + (08:07:15, 11 January 2025)
• 05000206/LER-1980-029-01, /01L-0:on 800705,RCS Dilution Inadvertently Occurred While Containment Integrity Was Unestablished. Caused by Leaking Inflatable Plugs in Generators.Generator Channel Heads Discontinued  + (08:07:18, 11 January 2025)
• 05000206/LER-1980-029, Forwards LER 80-029/01L-0  + (08:07:21, 11 January 2025)
• ML13316B734  + (08:07:25, 11 January 2025)
• ML13316B733  + (08:07:27, 11 January 2025)
• ML13316B732  + (08:07:28, 11 January 2025)
• 05000206/LER-1977-003, Responds to IE Bulletin 80-12, Decay Heat Removal Sys Operabililty. One Event,Reported in LER 77-03,involved Degradation of Decay Heat Removal Capability for Several Minutes.Emergency & Main Procedures Revised  + (08:07:30, 11 January 2025)
• ML13316B730  + (08:07:32, 11 January 2025)
• ML13316B729  + (08:07:33, 11 January 2025)
• ML13316B728  + (08:07:34, 11 January 2025)
• ML13316B727  + (08:07:35, 11 January 2025)
• PNO-V-80-030, on 800422,during Refueling Outage,All Offsite & Emergency Diesel Generator Power Was Lost for Four Minutes  + (08:07:37, 11 January 2025)
• ML13316B725  + (08:07:39, 11 January 2025)
• ML13316B724  + (08:07:40, 11 January 2025)
• 05000206/LER-1980-009-04, /04L-0:on 800331,during First Quarter of 1980, Benthic Data Could Only Be Taken from Six of Eleven ETS Benthic Stations.Caused by Severe Storm Conditions Interrupting Data Collection  + (08:07:42, 11 January 2025)