Pages that link to "NRC Form 866A"
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The following pages link to NRC Form 866A:
Displayed 17 items.
- 05000423/LER-1998-031, :on 980519,incomplete Testing of P-4 Interlock Function Was Noted.Caused by Human Error & Inadequate Procedure Development.Revised Procedure, Ssps Refueling Tests (← links)
- 05000382/LER-1997-022, :on 970614,RWSP Boron Concentration Was Lower than Rcs,In Volation of TS 3.7.6.2b.Caused by Incorrect Assumptions by Operations Dept Staff & Mgt.Waterford 3 Will Submit TS Change for TS 3.7.6.2b (← links)
- 05000338/LER-1997-005-01, :on 970519,determined That eddy-current Testing Results Did Not Match Signatures Reported During Preservice Baseline Testing,Due to Personnel Error.Verified Current Signatures on Duplicate eddy-current Testing (← links)
- 05000364/LER-1994-001, :on 940805,main Turbine Was Manually Tripped Due to Degrading Condenser Vacuum.Caused by Equipment Failure of Local Pressure Gauge.Local Pressure Indicator Was Replaced (← links)
- 05000321/LER-1994-010, :on 940808,work in Control Room Panel W/Limited Access Leads to Actuation of Esf.Isolation of RWCU Believed to Be Spurious.Util Investigating Feasibility of Relocating Relay to Another Location (← links)
- 05000348/LER-1994-001, :on 940521,1A Component Cooling Pump (B-train) Failed to Start.Caused by Supply Breaker Prop Latch Spring Detachment.Esf Related 4160 Volt Breaker on Both Units Verified as Being Properly Charged (← links)
- 05000260/LER-1999-004-01, :on 990530,safety Features Sys Actuations Occurred Due to RPS Trip.Caused by Failure of MG Set AC Drive Motor Starter Contractor Coil.Licensee Placed 2B RPS Bus on Alternate Feed & Half Scram Was Reset (← links)
- 05000296/LER-1997-002-03, :on 970410,HPCI Declared Inoperable.Caused by Personnel Error.Operations Personnel Stopped Instrument Mechanics Testing & Returned HPCI to Standby Readiness (← links)
- 05000260/LER-1994-010, :on 941005,loss of ECCS Division II Instrumentation Resulting from Blown Fuse in Atu Inverter. Caused by a Failed Capacitor.Blown DC Input Fuse Was Replaced (← links)
- 05000296/LER-1996-003-04, :on 960501,unit 3 Scrammed on Low Reactor Water Level.Caused by Failure of Steam Packing Exhauster by Pass Flow Control Valve.Valve Replaced (← links)
- 05000260/LER-1996-003-02, :on 960328,determined That Fuel Movement Performed W/Inoperable Refueling Interlock.Caused by Misinterpretation of TS Requirements.Fuel Movement Activities Discontinued (← links)
- 05000400/LER-1994-006-03, :on 941116,surveillance Testing Revealed That inter-cell Float Voltage for Cell 50 of B-SB Safety Related Battery Outside Allowable TS Limits Due to Deficient Maint Surveillance Test Procedure.Procedure Revised (← links)
- 05000315/LER-1998-036, :on 980723,discovered That Flow Indicator Had Not Been Calibr at TS Required Frequency.Caused by Inadequate Work Practices.Action Request Has Been Written to Calibr Component on Refueling Outage Basis (← links)
- 05000315/LER-1995-007, :on 950825,Conax Seal Assemblies on Rv Post- Accident Vent SVs 1-NSO-21 & 1-NSO-23 Found Loose.Missing Ferrules for 1-NSO-21 & 1-NSO-23 Replaced.Determined Event Not Reportable & LER 95-007-00 Cancelled (← links)
- 05000315/LER-1999-017, :on 990625,noted That Improperly Installed Fuel Oil Return Relief Valve Rendered EDG Inoperable.Caused by Personnel Error.Fuel Oil Return Valve Was Replaced with Valve in Correct Orientation.With (← links)
- 05000397/LER-1989-037, :on 890830,differential Pressure Indicating Switch RHR-DPIS-12B Discovered Isolated & Equalized.Cause Not Determined.Instrumentation & Control Work Practices Manual Developed & Training Provided (← links)
- 05000397/LER-1989-005-01, :on 890311,of 185 Control rods,34 Drifted Inward from One to Seven Notches Due to Momentary Low Scram Air Header Pressure.Caused by Main Steam Radiation Monitor Design Deficiency (← links)