Search by property

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

• 05000261/LER-1976-007, :on 760402,no Current Flow Found in Primary Circuit 56 During Periodic Test on Boric Acid Heat Tracing. Caused by Maint Personnel Inadvertently Opening Heat Tracing Circuits 25 & 55 While Doing Repairs  + (ML20086D398)
• ML20086D402  + (ML20086D402)
• 05000261/LER-1976-006, :on 760312,reevaluation of LOCA Analysis by Westinghouse Indicated Possible Inaccuracies in Prediction of Peak Clad Temp.Caused by Oversight of Effect of Steam Generator Tube Plugging  + (ML20086D408)
• ML20086D412  + (ML20086D412)
• 05000261/LER-1976-005, :on 760303,normal & Emergency Dampers on Containment Fan Cooler HVH-4 Failed to Function.Caused by Operator Malfunction.Normal Supply Damper Alignment Adjusted & Lubricated.Emergency Damper Lubricated  + (ML20086D417)
• 05000261/LER-1976-004, :on 760301,emergency Diesel B Failed to Assume Rated Capacity During Periodic Test.Caused by Galling of Injector Pump Plunger & Barrel Wall Resulting in Fuel Pump Failure to Cylinder 12  + (ML20086D419)
• ML20086D421  + (ML20086D421)
• ML20086D427  + (ML20086D427)
• ML20086D429  + (ML20086D429)
• ML20086D439  + (ML20086D439)
• ML20086D442  + (ML20086D442)
• ML20086D447  + (ML20086D447)
• 05000263/LER-1977-001, :on 770118,during Normal Operation,Accumulator on Control Rod Drive Hydraulic Control Unit 14-19 Declared Inoperable.Caused by Failure to Hold Pressure Due to Leaking Stem Packing.Packing Replaced  + (ML20086D450)
• 05000263/LER-1977-002, :on 770125,during Procedural Review,Standby Gas Treatment Sys Flow Rate Not Recorded Monthly to Demonstrate Compliance w/760927 Tech Spec Change.Procedure Revised to Provide Monthly Flow Record  + (ML20086D453)
• 05000278/LER-1976-071-03, /03L:on 761021,during Routine Surveillance Testing,Drywell Floor Drain Inboard Isolation Valve Failed to Close.Caused by Failed Asco Solenoid Valve T8300C61RU. Solenoid Replaced  + (ML20086D456)
• 05000263/LER-1976-024, :on 761112,while Performing Insp of Condenser area,1-inch Elbow Found Leaking on HP Turbine Bypass Header Drain Line.Caused by Hot Steam Flashing After Passing Through Orifice.Elbow Repair Welded  + (ML20086D458)
• ML20086D462  + (ML20086D462)
• ML20086D466  + (ML20086D466)
• 05000263/LER-1976-023-01, :on 760924,surveillance Coordinator Failed to Locate Main Steam Line Radiation Monitor Functional Test Scheduled for Wk of 760912.Caused by Test Overlooked & Not Assigned for Completion  + (ML20086D467)
• 05000263/LER-1976-022, :on 761010,during Test,Diesel Generator 11 Failed to Start on Starting Sys 2.Caused by Rust Particles Clogging Bleedoff in Air Relay.Sys Cleaned  + (ML20086D470)
• ML20086D473  + (ML20086D473)
• ML20086D474  + (ML20086D474)
• 05000263/LER-1976-020, :on 760929,during Normal Operation,Crack Discovered at Connection of Reactor Feedpump Inboard Seal Cooler to Seal Cooling Return Line.Caused by vibration- Induced Fatigue.Hx Isolated  + (ML20086D475)
• ML20086D477  + (ML20086D477)
• 05000263/LER-1976-019, :on 760919,during Test,Scram Relay Did Not Deenergize Due to MSIV Not Full Open.Fuse Pulled to Deenergize Relay.Insy Did Not Reveal Cause.Limit Switch Replaced  + (ML20086D478)

• ML20086D481  + (ML20086D481)

• ML20086D482  + (ML20086D482)
• 05000263/LER-1976-017, :on 760902,during Normal Operation,Rhr Torus Cooling Injection Valve MO-2008 Failed to Open for Torus Cooldown Following Routine HPCI Surveillance.Caused by Loosened Stem Clamp.Clamp Welded to Stem  + (ML20086D485)
• 05000263/LER-1976-016, :on 760828,during Insp of Condenser area,1-inch Elbow Found Leaking on HP Turbine Inlet Steam Line U-bend Drain Line.Erosion of Wall Caused by Hot Steam Flashing After Passing Through Orifice  + (ML20086D488)
• 05000263/LER-1976-015, :on 760825,during Normal Operation,Loss of Power to Shutdown Cooling Outboard Isolation Valve Experienced. Caused by Failure of Undervoltage Relay Coil.Part Replaced  + (ML20086D490)
• 05000263/LER-1976-014, :on 760811,during Startup,Primary Containment Dioxide Concentration Not Reduced to Less than 5% within 24 H After Going Into Run Mode.Caused by Failed Metal Bellows Co Model MN-115 Pump Bellows  + (ML20086D493)
• ML20086D494  + (ML20086D494)
• 05000000/LER-1977-012, :on 770620,during Investigation of Cycle 5 Max Critical Power Ratio Limits,Ge Found That Pump Trip Delay Time Assumed in Original Cycle 5 Transient Analysis Not Appropriate.Amend Request Will Be Submitted  + (ML20086D496)
• 05000263/LER-1976-013, :on 760811,during Routine Surveillance Test,Main Stop Valve Closure Scram Limit Switch 2 Failed.Caused by Position Indication Limit Switch Adjusted Such That Switch Failed to Actuate Under Hot Conditions  + (ML20086D498)
• ML20086D514  + (ML20086D514)
• ML20086D520  + (ML20086D520)
• 05000263/LER-1976-010, :on 760725,during Test,Torus Purge Inlet Valve AO-2381 Failed to Close Immediately.Cause Unknown.Valve Placed on Increased Surveillance Program  + (ML20086D524)
• ML20086D525  + (ML20086D525)
• 05000263/LER-1976-009, :on 760722,during Routine Surveillance Test,Main Steam Line Low Pressure Isolation Switch 2-134C Tripped at 808 Psig.Caused by Setpoint Drift.Setpoint Revised  + (ML20086D527)
• 05000263/LER-1976-008, :on 760626,during Normal Operation,Loss of Power to Reserve Transformer 1AR Experienced.Cause Suspected to Be Lightning Induced Voltages Across Sudden Pressure Relay Contacts.Relay Scheme Modified  + (ML20086D530)
• 05000263/LER-1976-007, :on 760714,during Special Test,Safety Relief Valve 2-71A Failed to Actuate When Given Manual Initiation Signal. Caused by Stripped Threads Where Solenoid Plunger Assembly Screws Into Main Solenoid Valve Body  + (ML20086D532)
• ML20086D534  + (ML20086D534)
• 05000263/LER-1976-006, :on 760603,during Test,Hpci Steam Line Inboard Isolation Valve Failed to Close Completely.Caused by Torque Switch Setting Drifting Too Low.Switch Reset  + (ML20086D535)
• ML20086D537  + (ML20086D537)
• 05000263/LER-1976-005, :on 760520,during 100% Power Operation,Tip Ball Valve 3 Failed to Close During Routine Use of TIP Sys. Cause Unknown.Valve Cleaned & Lubricated  + (ML20086D539)
• NLS9100772, Forwards Rev 27 to Safeguards Plan,Reflecting Modified Shotgun Qualification Course Now Prevelent in Industry & Changes in Equipment Available for Security Officer Unarmed Defense Posture.Encl Withheld (Ref 10CFR73.21)  + (ML20086D541)
• 05000263/LER-1976-004, :on 760515,during Normal Operation,Crack Discovered at 3/4-inch Vent Connection on 6-inch Moisture Separator Drain Line B.Caused by Fatigue Due to Cyclic Relative Motion.Crack Repaired  + (ML20086D542)
• 05000263/LER-1976-003, :on 760504,during Test,Primary Containment Oxygen Concentration Found Above Tech Spec Limit.Caused by Leaking Asco Solenoid Valve.Solenoid Valve Isolated  + (ML20086D544)
• ML20086D546  + (ML20086D546)
• 05000263/LER-1976-002, :on 760405,during Monthly Surveillance Test,Rcic Turbine Tripped Once.Caused by High Exhaust Line Pressure During Start of Turbine.Trip Setpoint Increased  + (ML20086D547)
• ML20086D550  + (ML20086D550)