Pages that link to "NRC Form MA"

The following pages link to NRC Form MA:

Displayed 42 items.

• 05000397/LER-2014-004 ‎ (← links)
• 05000368/LER-2001-002 ‎ (← links)
• 05000412/LER-1998-008-01, :on 980515,discovered Inadequacies in GL 96-01 Specification Instrumentation Surveillance.Caused by Inadequate Application of Ts.Revised Procedures to Address Identified Concerns & Will Perform Testing ‎ (← links)
• 05000412/LER-1998-010-01, :on 980421,noted That non-safety Related Mechanical Seal Assembly Was Installed in Quench Spray Pump a 2QSS-P21A.Caused by Inadequate Knowledge & Training. Replacement Gland Seal Plates Were Procured ‎ (← links)
• 05000482/LER-1989-018, :on 890828,inoperability of Both Exhaust Sys Resulted Due to Failure to Place Dampers in Safeguard Position.Lesson Plan Issued on Tagging of Ventilation Dampers to Personnel ‎ (← links)
• 05000461/LER-1998-018, :on 980416,ESFA,occurred.Caused by Deficiencies in Method Used to Perform Nsps Power Supply Adjustment. Developed Maint Procedure for Replacement of Power Supplies Powered by Nsps Bus ‎ (← links)
• 05000461/LER-1998-017, :on 980402,inadequate Implementation of SR Was Noted.Caused by Misinterpretation of TS SR 3.8.6.2 & Table 3.8.6-1.Revised Procedure for Performing Battery Cell Specific Gravity Checks ‎ (← links)
• 05000461/LER-1989-029, :on 890714,manual Scram Initiated in Anticipation of Automatic Scram Due to Decrease in Main Condenser Vacuum.Caused by Mechanical Failure in Rubber Expansion Joint.Joint Replaced ‎ (← links)
• 05000412/LER-1998-004-01, :on 980311,determined That No Channel Specific Status Lights Existed for P-9 Permissive Interlock.Caused by Inadequate Design.Issued Plant Mod to Install P-9 Permissive Input Bistable Windows on Subject Interlock ‎ (← links)
• 05000334/LER-1998-010, :on 980218,inadequate Compliance to Action Statement During Instrument Testing Note Due to Inadequate Development of TS Change Request in 1994.Compliance Position Statement 98-006 Issued & Completed on 980225 ‎ (← links)
• 05000334/LER-1998-006, :on 980205,inadequate Routine Weekly Surveillance Testing of Onsite AC Power Distribution Sys Occurred.Caused by Inadequate Application of Tss.Unit 2 Surveillance procedure,2OST-36.8,was Revised ‎ (← links)
• 05000412/LER-1998-005-01, :on 980402,inadequate FP SS Analysis for Boric Acid to Boric Acid Blender valve,2CHS*FCV113A,was Noted. Caused by Oversight of Missing Support Cables.Control Circuit of 2CHS*FCV113A Will Be Modified ‎ (← links)
• 05000317/LER-1987-008, :on 870414,borated Water Sprayed Into Containment Bldg While Attempting to Fill Safety Injection Tanks.Caused by Improper Valve Lineup.Procedural Changes Implemented & Instructions Issued ‎ (← links)
• 05000334/LER-1997-028, :on 970825,SFP Crane Interlocks & Physical Stops Were Not Tested Prior to Use IAW Ts.Caused by Procedures,Program/Process/Equipment Labeling & Training/ Qualification.Performed Surveillance Test ‎ (← links)
• 05000324/LER-1999-007, :on 990714,noted That Overlapping of Safety Systems Outages Resulted in TS Prohibited Operation.Caused by Inadequate Training/Communications Re Implementation of Its.Training Will Be Provided to Operators.With ‎ (← links)
• 05000364/LER-1999-001-05, :on 990621,plant Was Manually Tripped Due to Decreasing Vacuum in Condenser.Caused by Broken Steam Dump Drain Line.Broken Section of Line Was Repaired & Licensee Will Implement Addl Design Change ‎ (← links)
• 05000293/LER-1997-029, :on 971216,SDC Suction Valves Were Vulnerable to Damage from Potential Failure Mode Involving Hot Shorts. Caused by Failure to Recognize New Failure Mode Described in NRC in 92-18.Implemented Temporary Mod ‎ (← links)
• 05000220/LER-1998-019-01, :on 981110,ASME Section XI ISI Was Missed. Caused by Cognitive Error Involving Technical Inaccuracies. Util Will Revise Second 10-yr Interval ISI Program Plan to Incorporate Visual Exam Requirements.With ‎ (← links)
• 05000334/LER-1997-018, :on 970705,potential for Spurious Seismically Induced FPS Sys Activation Affecting EDG Was Noted.Caused by Deficiency in Original Design.Established Fire Watch ‎ (← links)
• 05000334/LER-1997-002-01, :on 970219,declared EDGs Inoperable Due to Inaccuracies of Watt Meter Instrument Loop.Restored EDG Operability Via Performance of Revised Operating Surveillance Tests ‎ (← links)
• 05000260/LER-1985-010-04, :on 850626,inadvertent Secondary Containment Isolation Occurred Due to Failure of Fuse in Panel 9-42. Cause Not Determined.Blown Fuse Replaced.Isolation Signal Reset.Failure Considered Random ‎ (← links)
• 05000412/LER-1996-007-01, :on 961015,CR Ventilation Sys Was Operated in Purge Mode to Ventilate Paint Fumes from Cr,Temporarily Rendering CR Emergency Bottled Air Pressurization Subsystem & Esf,Inoperable.Changed Planning Processes ‎ (← links)
• 05000334/LER-1996-004, :on 961126,determined Incorrect Testing of safety-related Logic Circuits.Caused by Relays Not Being Considered Part of Instrument Channel.Will Revise Maint & Operations Procedures to Include Relay Testing ‎ (← links)
• 05000412/LER-1996-004-01, :on 960830,bypass Feedwater Regulating Valve Leakage Leads to Manual Reactor Trip During Shutdown for Refueling.Procedures Revised ‎ (← links)
• 05000293/LER-1992-014, :on 921124,automatic Actuation of Inboard & Outboard RWCU Sys Portion of Primary Containment Isolation Sys Occurred,Resulting in Closing Group 6 Valves.Caused by Procedure Deficiency.Procedure Revised ‎ (← links)
• 05000327/LER-1984-068, :on 841104,inadvertent Relay Actuation Caused Auxiliary Bldg Ventilation Isolation.Caused by Relay Not Fully Seated on Terminal Block.Relay Placed Back Into Correct Position.Isolation Reset ‎ (← links)
• 05000277/LER-1992-005, :on 920326,2B Reactor Water Level Reference Leg Condensing Chamber Was Declared Inoperable.Caused by Loss of Inventory in 2B Condensing Chamber.Leaks Were Repaired & Instrument Lines Were Backfilled ‎ (← links)
• 05000263/LER-1995-003-01, :on 950328,pipe & Cable Tray Supports Found Anchored to Shoring Plates Rather than Embedded Plates. Caused by Error in Original Const.Supports Modified or Analyzed & Meet Code Requirements ‎ (← links)
• 05000324/LER-1991-017-02, :on 911017,Wyle Labs Notified Util That safety- Relief Valves Exceeded Tech Spec Setpoint Drift.Caused by pilot-disc-to-seat Bonding Preventing Valves from Actuating.Ts Change Will Be Requested ‎ (← links)
• 05000325/LER-1991-022, :on 910807,found That Normal Air Supply Damper Failed to Close.Caused by mis-orientation of Portion of Actuator for Vertical Motion.Inspected Other Dampers & Will Provide Training on Event ‎ (← links)
• 05000334/LER-1995-004, :on 950301,five MSSV Determined by Testing to Be Outside TS 3.7.1.1 Tolerance of +1%-3%.Caused by Vendor Provision in Incorrect Mean Seat Area Data Used.Made Adjustments on Six Affected Safety Valves ‎ (← links)
• 05000334/LER-1994-009-01, :on 941103,operation Prohibited by TS Inadequate RCS Relief Path.Nominal Port Diameter Was Used for Calculations Rather than Effective Vent Diameter Based on Specific Trim Installed ‎ (← links)
• 05000412/LER-1994-009, :on 940812,unit 2 at 100% Power a RSS Pump Was Inoperable.Caused by Scaling of Flow Transmitters/ Indicators Were Not Matched to Characteristics of Flow Elements ‎ (← links)
• 05000483/LER-1994-004, :on 940816,found That Surveillance of Tech Spec on Total Curie Content in Gdt E Not Properly Performed Due to Cognitive Human Performance Error.Responsible Technicians Counseled on Failure to Follow Procedure ‎ (← links)
• 05000334/LER-1994-006-01, :on 940623,identified That Containment Isolation Valve Had Exceeded Its Limiting Stroke Time.Caused by Personnel Error.Involved Personnel Were Counseled.W/ ‎ (← links)
• 05000412/LER-1990-018, :on 901026,ESF Actuation - Inadvertent Diesel Start Occurred & Deficiency Discovered in D/G Ventilation Fan Circuit ‎ (← links)
• 05000293/LER-1993-020, :on 930726,plant Personnel Found Anticipated Transient Without Scram Div 1 Pressure Transmitters Valved Out of Svc.Caused by Lack of Procedural Clarity.Personnel Revised Procedure ‎ (← links)
• 05000412/LER-1994-005, :on 940407,chain Locking Mechanism on CP Suction Isolation Valve,Was Found Broken.Caused by Personnel Error.Corrective Action:New Chain Placed on Valve Handwheel & Chain Locking Mechanism Intacted ‎ (← links)
• 05000280/LER-1989-010, :on 890406,electrical Fault in Plant Switchyard Resulted in Failure of Lightning Arrestor on 500 Kv Side of auto-tie Transformer,Resulting in Lockout.Cause Not Determined.Offsite Power Supply Reestablished ‎ (← links)
• 05000237/LER-2013-002, Movement of Control Rods with Control Rod Block Monitor Inoperable ‎ (← links)
• 05000400/LER-2003-005, Manual Reactor Trip Following a Trip of the a Condensate Pump Motor ‎ (← links)
• 05000530/LER-2003-003, Regarding Technical Specification Violation for Failure to Calibrate Nuclear Instrumentation ‎ (← links)