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

• ML17261A149  + (15:41:27, 8 January 2025)
• 05000244/LER-1979-021-03, /03L-0:on 791018,Tech Spec Requirement 4.8.5 Re Stroking Crossover Valves Omitted from Procedure for Testing Standby Auxiliary Feedwater Pumps.Caused by Personnel Error. Test Personnel Briefed & Performed Tests  + (15:41:28, 8 January 2025)
• ML17261A147  + (15:41:29, 8 January 2025)
• 05000244/LER-1979-020-03, /03L-0:on 791009,during Snubber Insp,Snubber in Position MS146 Found W/No Accumulator Level.Caused by Movement of Pipe Resulting in Wear on Accumulator & Eventual Failure of Shaft Seal.Unit Replaced W/Spare  + (15:41:30, 8 January 2025)
• 05000244/LER-1979-019-03, /03L-0:on 790919,loose Nuts on Anchor Bolts Were Found on Pipe Supports & on Svc Water Piping to Standby Auxiliary Feedwater Pump.Caused by Nuts Working Loose During Sys Operation.Nuts Were Torqued to Current Requirement  + (15:41:31, 8 January 2025)
• ML17261A144  + (15:41:32, 8 January 2025)
• ML17261A142  + (15:41:33, 8 January 2025)
• 05000244/LER-1979-017-01, /01T-0:on 790831,analysis of Boric Acid Storage Tank Samples Revealed Concentrations Above 13% Limits. Possibly Due to Evaporation,Redissolution of Crystals or Sampling Error.Load Reduction Begun & Levels Restored  + (15:41:34, 8 January 2025)
• ML17261A140  + (15:41:35, 8 January 2025)
• 05000244/LER-1979-008-03, /03X-1 on 790406:during Maint on Boric Acid Flow Control Valve,Leaks Noted on Valve Outlet 1-inch Nipple. Caused by External Caustic Pitting.Actions to Minimize Caustics & Chlorides Are Being Taken  + (15:41:36, 8 January 2025)
• 05000244/LER-1979-016-01, /01T-0 on 790804:14-h Interval of Reactor Operation Lapsed Prior to Trip During Trip Testing Following Maint Outage & Restoration of Criticality.Caused by Unclear Checkoff procedure.On-shift Training Held  + (15:41:38, 8 January 2025)
• ML17261A137  + (15:41:39, 8 January 2025)
• ML17261A136  + (15:41:39, 8 January 2025)
• 05000244/LER-1979-014-03, /03L-0 on 790709:during RCS Cooldown,Operator Noted Channel P-452 Overpressurization Alarm Not in Correct State.Caused by Bistable Setpoint Drift.Alarm Unit Replaced  + (15:41:41, 8 January 2025)
• 05000244/LER-1979-013-01, /01T-0 on 790707:during Ultrasonic & Radiographic Examination of Steam Generator Feedwater nozzle-to-elbow Welds,Small Linear Indications in Elbows Were Found.Cause Not Identified.Elbows Replaced  + (15:41:43, 8 January 2025)
• 05000244/LER-1979-012-01, /01X-1 on 790327:several Anchor Bolts Identified as Not Being in Accordance W/Drawing During Inservice Insp. Caused by Inadequate Control of Const Installation.Anchor Bolts Corrected  + (15:41:45, 8 January 2025)
• ML17261A129  + (15:41:46, 8 January 2025)
• ML17261A128  + (15:41:47, 8 January 2025)
• ML17261A126  + (15:41:48, 8 January 2025)
• 05000244/LER-1979-011-01, /01T-0 on 790511:notified by Manufacturer of Pressurizer Power Operated Relief Valve That Template Used to Fabricate Valve Internals Not within Specs.Caused by Error in Tracer Lathe Template  + (15:41:49, 8 January 2025)
• ML17261A124  + (15:41:51, 8 January 2025)
• 05000244/LER-1979-010-01, /01T-0 on 790420:routine Sample of Boric Acid Storage Tanks Showed Less than 12%.Reactor Power Reduction Started.Caused by Possible Backflow of Makeup Water.Check Valve Replaced  + (15:41:53, 8 January 2025)
• 05000244/LER-1979-009-01, /01T-0 on 790416:routine Sample of Boron Boric Acid Tank Showed 11.8%.Reactor Power Reduction Started. Caused by Possible Backflow of Makeup Water.Check Valve Replaced  + (15:41:54, 8 January 2025)
• ML17261A118  + (15:41:55, 8 January 2025)
• ML17261A117  + (15:41:56, 8 January 2025)

• 05000244/LER-1979-007-03, /03L-0 on 790402:surveillance Requirement for Nuclear Intermediate Range Channel Test within Seven Days Was Not Performed for Two Training Criticalities.Caused by Unclear Training Procedures  + (15:42:00, 8 January 2025)

• ML17261A113  + (15:42:01, 8 January 2025)
• ML17261A112  + (15:42:02, 8 January 2025)
• ML17261A111  + (15:42:03, 8 January 2025)
• ML17261A110  + (15:42:05, 8 January 2025)
• 05000244/LER-1979-006-01, /01T-0 on 790321:degradation in 6 Tubes of Steam Generator B.Caused by Localized Residual Caustics Erosion at Support Plates & Stress Corrosion Mechanism Re Deformation at Tube Sheet & Operationsl Stresses  + (15:42:06, 8 January 2025)
• 05000244/LER-1979-004-03, /03L-0 on 790206:fuel Pressure Lost & Generator Tripped During Diesel Generator Testing.Caused by Operator Error.Operator Reinstructed & Precautionary Note Added to Procedure to Emphasize Importance of Proper Sequence  + (15:42:08, 8 January 2025)
• 05000244/LER-1979-005-03, /03L-0 on 790206:containment Recirculation Sump Failed to Reopen After Hydro Testing.Caused by Flexibility of Long Extension Rod Between Limitorque SMB-00 Operator & Valve.Valve Stroked Monthly & Timed Quarterly  + (15:42:10, 8 January 2025)
• ML17261A106  + (15:42:11, 8 January 2025)
• ML17261A104  + (15:42:13, 8 January 2025)
• 05000244/LER-1979-001, Forwards LER 79-001/03L-0  + (15:42:14, 8 January 2025)
• 05000244/LER-1979-002-03, /03L-0 on 790104:during Steady State Power a Charging Pump Leaked & Found to Be Cracked.Caused by Fatigue Cracking Due to High Loop Stresses Generated in Compression Stroke of Piston in Cylinder  + (15:42:16, 8 January 2025)
• 05000244/LER-1979-003-03, /03L-0 on 790104:B Charging Pump Speed Control Operated Improperly W/Sticking Lower Varidrive Disc & Belt Slippage at Min Speed.Operation at 1 Speed Caused Local Lubrication Problems  + (15:42:17, 8 January 2025)
• ML17261A100  + (15:42:18, 8 January 2025)
• 05000244/LER-1978-009-01, /01T-0 on 781226:during Surveillance of Repair on Halon Sys for Relay Room & Computer Room,Noted That Fire Watch Was Adjacent To,But Not In,Unprotected Area.Caused by Failure to Communicate Proper Assignment to Personnel  + (15:42:20, 8 January 2025)
• IR 05000244/1978021  + (15:42:24, 8 January 2025)
• ML17261A096  + (15:42:25, 8 January 2025)
• ML17261A095  + (15:42:26, 8 January 2025)
• ML17261A087  + (15:42:28, 8 January 2025)
• ML17261A078  + (15:42:28, 8 January 2025)
• IR 05000387/2017007  + (15:42:56, 8 January 2025)
• ML17261A075  + (15:42:56, 8 January 2025)
• ML17261A070  + (15:42:57, 8 January 2025)
• ML17261A071  + (15:42:57, 8 January 2025)
• IR 05000331/2017405  + (15:42:58, 8 January 2025)
• ML17261A068  + (15:42:58, 8 January 2025)