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Category:REPORTABLE OCCURRENCE REPORT (SEE ALSO AO LER)
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Pages in category "REPORTABLE OCCURRENCE REPORT (SEE ALSO AO LER)"
The following 200 pages are in this category, out of 5,404 total.
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- 05000000/LER-1986-009, Ro:On 860312,discovered That LER 2-86-04 & LER 86-009 Not Submitted to Nrc.Caused by Misplaced Repts.Repts Telecopied to Nrc.Procedure for Distribution of Repts Revised
- 05000220/LER-1983-044, Special Rept of Actions Taken to Assess Current Status of Fire Barrier Penetrations & to Assure Future Integrity of Barriers Following Improper Sealing of One Penetration Reported in LER 83-44
- 05000244/LER-1982-003, RO 82-007/01T:on 820125,unit Experienced Event Described in LER 82-003 Leading to RCS Cooldown Rate Greater than 100 F/H.Further Info Will Be Submitted w/14-day Written Rept
- 05000280/LER-1977-012, RO S1-77-01 Re Failures of Hydraulic Shock Supports (Snubbers).Extent of Failures Reported in LER 77-12.All Snubbers Operable on 771207 Startup
- 05000295/LER-1985-035, Special Rept Re Failure to Notify NRC of Quarterly Release of Radioactive Matl in Excess of 2.5 Ci Per Unit on 840513. Failure to Submit Rept Documented in LER 85-035-00 & Insp Repts
- 05000313/LER-1986-002, Requests Extension Date of 860930 to Allow Time to Update LER 86-002-00 Re Inadequate 10CFR50.59 Design Change Review
- 05000341/LER-1988-004, Special Rept:On 880110,ECCS Actuation Occurred.Operator Manually Tripped Sys.Details of Event Discussed in LER 88-004
- 05000341/LER-1993-014, Special Rept:On 931225,plant Experienced Failure of Turbine Generator,Resulting in Reactor Scram.Info Collected from Seismic Monitoring Instrumentation Still Being Evaluated. Event Will Also Be Addressed in LER 93-014
- 05000354/LER-1988-022, Special Rept 88-006-00:on 880826,HPCI Injection Occurred. Caused by Low Reactor Vessel Level Signal Following Reactor Scram Described in LER 88-022-00.HPCI Injection Nozzle Usage Factor Not Calculated
- 05000362/LER-1982-006, Ro:On 821217,incident Involving Emergency Safety Features Actuation Signal Occurred.Written Followup Rept W/Interim LER 82-006 Will Be Submitted by 821228
- 05000395/LER-1988-006, Special Rept Spr 88-05:on 880512,safety Injection/Reactor Trip Occurred When MSIV a Shut During Testing.Details Described in Encl LER 88-06.Accumulative Usage Factor for Affected Safety Injection Nozzle Did Not Exceed 0.70
- 0CAN079502, Special Rept:On 950608,electric Fire Pump P-6A Declared Inoperable.Cause of Degraded Performance Indeterminate at Time But Believed to Be Result of Normal Wear.Temp Fire Pump for Backup Fire Suppression Water Supply Installed
- 0CAN129002, Special Rept:On 901026,fire Pump Inoperable for More than 7 Days.Temporary Pump Installed as Backup
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- 1CAN108305, Ro:On 831013,single Battery Cell in One Bank of Batteries Found Unacceptable & Declared Inoperable.Util Application of 3.7.2 Series of Specs Discussed
- 1CAN109302, Special Rept:On 930922,EFP P-6A Exceeded AOT of Seven Days Due to Mod Work on 4,160 Volt Bus A-1.Power to non-vital Bus A-1 Restored on 930922 & Weekly Surveillance on EFP P-6A Performed Satisfactorily on 930923
- 1CAN119012, Special Rept:On 901022,Unit 1 Control Room Halon Sys Inoperable for More than 14 Days Due to Removal of Ceiling Tiles in Auxiliary Control Room for Installation of Conduit Pulling of Cables.Operability Restored on 901106
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- 2CAN019101, Special Rept:On 901219,fire Pumps Inoperable During Performance of Surveillance Test.Method of Performing Surveillance Procedure Will Be Revised by 910301
- 2CAN049107, Special Rept:On Eighth Refueling Outage,Consisting of Insp of Steam Generator.Insp Revealed Three Defective Tubes in B Steam Generator & No Defective Tubes in a Steam Generator.Condenser Tubing Routinely Cleaned
- 2CAN068508, Ro:On 850529 high-range Containment Radiation Monitor 2RITS-8925-2 Discovered Failed Low.Redundant Monitor 2RITS-8925-1 Verified Operable.Caused by Open Circuit in Signal & High Voltage Cable Connectors.Connectors Replaced
- 2CAN078504, Ro:On 850410,unmonitored Release of Radioactive Water Into Oily Water Separator Occurred.Caused by Inadvertent Opening of HX Drain During Maint Insp.Drain Closed After Approx 3 H. Dardanelle Reservoir Unaffected.Personnel Counseled
- 2CAN089008, Voluntary Rept 50-368/90-V01-00:revises Completion Date for Commitment Date in Voluntary Rept from 900801 to 900831 Re Inadvertent Starting of Emergency Diesel Generator While Attempting to Air Roll Engine During Maint
- 2CAN089010, Voluntary Rept 50-368/90-V02-00 Re Result of Postulating Failure of Check Valve in LPSI Sys Not Previously Postulated.Caused by Higher Differential Pressure Not Considered.Valve Mfg Consulted
- 2CAN098905, Special Rept 50-368/89-013-00 on 890626,pressurizer Level Decreased While Flushing Header C of LPSI Sys.Caused by Backleakage Through Header Safety Injection Check Valve.Hpsi Pump Started & Valve Opened to Inject Water Into RCS
- 2CAN119504, Special Rept Re SG Tube Surveillance Category C-3 Results
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- 3F0184-22, RO Special Rept 84-01:on 840114,leak Found in Fire Suppression Water Sys,Rendering Sys Inoperable.Caused by Compliance W/Tech Spec Limiting Condition for Operation.Sys Returned to Operable Status on 840115
- 3F0187-07, Special Rept 86-01:on 861223,during Startup from Mode 5,unit Entered Mode 4 W/Noble Gas Activity Monitor & Fuel Handling Bldg Area Exhaust Duct Inoperable.Caused by Poor Response of Installed Check Source.Instrument Recalibr
- 3F0188-19, Special Rept 87-05:during Refuel IV Outage,Steam Generator Eddy Current Testing Revealed Defective tubes.Pre-outage Planning Developed 6% Random Sampling Insp Plan That Would Be Completed on a Steam Generator
- 3F0198-04, Special Rept 97-08:on 971208,mid Range & High Range Noble Gas Stack Monitors Found to Be Inoperable Greater than Seven Days.Cables to low-medium-high Valve Controllers re-connected Inside Radiation Monitoring Panel
- 3F0198-07, Special Rept 97-09:provides Details of Conditions Found Not Meeting Acceptance Criteria During Ongoing Twentieth Year Tendon Surveillance of Containment Post Tensioning Sys. Commitments Encl
- 3F0286-08, RO:86-002-00:on 860110,incident Occurred in Seawater Intake Area Resulting in Deaths of Two Divers.All Seawater Pumps Shut Off for 2 H 45 Minutes.Ler Will Be Sent by 860221
- 3F0287-17, Ro:On 870121,during Performance of Surveillance Procedure SP-110,CRD a Ac Breaker Failed to Trip.Caused by Malfunction of Undervoltage Trip Coil Device.Breaker Replaced & Successfully Tested
- 3F0287-21, Ro:On 870112,6-month Interval for Containment Air Lock Type B Tests Found Exceeded Due to Inconsistencies Between Tech Specs & App J.Caused by Failure to Recognize Dual Sources of Requirements.Test Schedule Revised & Tech Spec Changed
- 3F0386-13, Suppl 2 to Special Rept 85-03:on 850807,intermediate- & high-range Channels of Gaseous Release Monitors RM-A1 & RM-A2 Not Calibr.Mod to Achieve Overlap & Calibr of Intermediate Channels Completed
- 3F0388-02, Special Rept 87-05-01:two Steam Generator Tubes Found Defective,Having Indications Greater than 40% Through Wall & One Tube Identified as Degraded W/Indication of 38% Through Wall.Tubes Removed from Svc by Plugging.Addl Info Encl
- 3F0389-01, Ro:On 890118,reactor Coolant Pump 1A Failed.Cause Not Discussed.Sequence of Events Encl
- 3F0396-21, Special Rept 96-01:on 960218,RM-A1 Taken Out of Svc Due to Failure of Detector to Respond to Check Source.Replacement Detector from Stores & Bench Calibrate.Expects to Return RM-A1 to Svc Prior to Restart from Refueling Outage
- 3F0398-21, Special Rept:On 980302,insp Vendor Notified FPC That Grease Sample for Tendon 51H25 Had Water Content of 14.9% Volume by Weight.Caused Undeterminate.Subject Tendon Was Partially re-greased During Performance of Surveillance
- 3F0399-04, Special Rept 99-01:on 990310,discovered Containment Tendons That Required Grease Addition in Excess of Prescribed Limits During Recent Insp Activites.Six Tendons Were Refilled with Appropriate Amount of Grease
- 3F0485-20, Special Rept 85-01:on 850317,during Performance of Refueling Interval Surveillance,All Three Triaxial Peak Accelographs Required by Tech Specs Discovered Inoperable.Cause Undetermined.Accelographs Will Be Repaired
- 3F0496-30, Special Rept 96-02:on 960313,fire Detection Zones Required by Fire Protection Plan Out of Svc for Greater than Fourteen Days.Hourly Fire Watch Established
- 3F0498-28, Ro:On 980421,unplanned Release of Effluent Water from Crystal River Nuclear Plant Regeneration Waste Neutralization Tank.Root Cause Analysis Currently Being Conducted.Pipe Isolated for Repairs
- 3F0585-14, Special Rept 85-02:on 850408,during Refueling & Mod Outage, Halon Portion of Fire Suppression Sys for Cable Spreading Room Taken Out of Svc in Support of Various Mods to Cable Spreading Room.Fire Watches Immediately Established
- 3F0591-02, Special Rept 91-001:on 910320,waste Gas Analyzer Removed from Svc to Allow Isolation of Waste Gas Compressor from Maint.Moisture Discovered in Sample Tubing.Work Request to Correct Moisture Intrusion in Analyzer Sample Lines Written
- 3F0592-17, Special Rept 92-01,on 920506,reactor Bldg Purge Exhaust Duct Monitor Was Taken Out of Svc.Caused by Inability to Calibrate RM-A1 Noble Gas Activity.Monitor mid-range Channel Was Recalibrated
- 3F0684-09, Special Rept 84-02:on 840312,engineered Safeguards High Pressure Injection Initiated.Caused by Spurious Actuation of Channel 2 Train B.Equipment Replaced & Borated Water Injected
- 3F0687-06, Special Rept 87-01:on 870519,auxiliary Bldg & Fuel Handling Area Exhaust Duct mid-range Noble Gas Monitor Inoperable for Seven or More Days.Caused by Alarm Circuit Repair Altering Calibr of Monitor,Rendering Instrument Inoperable
- 3F0688-19, Ro:On 880527,emergency Feedwater Piping Near Flow Control Valve Found to Be Warmer than Normal.Cause Not Stated.Water Added to Reseat & to Cool Emergency Feedwater Line & Valve Closed to Prevent Inadvertent Manual Addition of Water
- 3F0692-10, Special Rept 92-02:on 920514,waste Gas Decay Tank Hydrogen & Oxygen Monitoring Channels Removed from Svc & Not Returned to Operable Status within 14 Days.Caused by Need to Facilitate Maint.Ts Amend Will Be in Place by Sept 1992
- 3F0784-16, Special Rept 84-03:on 840424,false Low & High Pressure Injection Occurred When Channel 2 Low Pressure Bistable Inadvertently Actuated.Cause Not Stated.Bistable Replaced. Plant Stabilized W/Injection of Borated Water Into RCS
- 3F0785-29, Revised Special Rept 85-01 Re Inoperability of Three Triaxial Peak Accelographs.Installation of Reactor Vessel Head Device Delayed Until 850714 Due to Unforeseen Activities
- 3F0785-30, Suppl 1 to Special Rept 85-02:Halon Portion of Fire Suppression Sys Inoperable.Addl Work Required Due to Unanticipated Difficulties W/Asbestos Matls in Areas Being Modified.Operability Not Restored by 850701
- 3F0786-22, Ro:On 860629,reactor Bldg Vented to Relieve Long Term Pressure Buildup.Initially Reported on 860630.Draft LER Under Mgt Review to Determine Reporting Requirements.Next Rept Will Be Submitted by 860808
- 3F0885-10, Special Rept 85-03:on 850807,discovered That mid- & high- Range Channels of Gaseous Effluent Release Monitors Out of Calibr.Caused by Delays in Contractual Arrangements for Supplies.Action Taken to Obtain Matls.Part 21 Related
- 3F0887-01, Special Rept 87-02:on 870702,reactor Trip Occurred from 88% Rated Thermal Power.Primary Coolant Sample Obtained & Analyzed for Iodine Activity,Per Tech Spec 4.4.8.Reactor Power History,Fuel Burnup & Time Duration Provided
- 3F0895-15, Special Rept 95-01:on 950630,ODCM Required Waste Gas Analyzer (WGDA-1) Declared Inoperable & Unavailable for Greater than Seven Days Due to Deficiency in Microprocessor. Microprocessor Replaced & WGDA-1 Returned to Operation
- 3F0895-16, Ro:On 950713,1 H non-emergency Rept Made Re Condition Suspected to Be Outside Design Basis of Plant.Based on Conclusions of Design Basis Evaluation,Rescinds 1 H non-emergency Rept (NRC Event 29062)
- 3F0896-25, Special Rept:On 960712,declared Seismic Monitoring Instrumentation Inoperable for More than 30 Days.Caused by Triaxial Peak Accelographs Failures.Instruments Will Be Omitted from FSAR Section 2.5.4.4
- 3F0989-08, Special Rept 89-001:on 890826,dose Equivalent Iodine Dei of RCS Samples Exceeded Tech Specs Limit.Sampling & Analysis of RCS Continued at 4 H Intervals Until Dei Decrease Below Tech Spec Limit.Dei Analysis Results Presented
- 3F0992-18, Special Rept 92-003:on 920815,auxiliary Bldg high-range Noble Gas Monitor Failed Calibr & Declared Inoperable for More than 7 Days.Automatic Isotopic Monitoring Sys Available for Use.Amplifier Components & detector-sensor Replaced
- 3F1083-29, Ro:On 831021,notification Received from Kinemetrics Sys That Magnetic Tape Cassettes SI2 & SI3 Were Blank.Caused by Use Past Natural end-of-life.Tapes Sent to Kinemetrics for Analysis
- 3F1084-05, Special Rept 84-04:on 840919,fire Suppression Water Sys Placed in Degraded Mode of Operation to Support Sys Mod. Caused by Redundant Loop Flow Path Allowing Only One Fire Svc Sys Header to Remain in Svc.Loop Removed
- 3F1093-17, Special Rept 93-02:on 931011,primary Meteorlogical Sys Taken Out of Svc for Performance of TS Surveillance 4.3.3.4 & TS 3.3.3.4 Entered Since Backup Sys Out of Svc.Surveillance Performed & Sys Returned to Operation on 931019
- 3F1094-07, Special Rept:On 940919,determined That Two Transmitters Which Comprise Rv Level Indication Sys Portion of Rc Inventory Tracking Sys Not Functioning Normally Due to Line Blockage in Common Tubing.Sys Restoration outage-dependent
- 3F1096-22, Special Rept:On 960902,unit Shutdown Due to Leak in Turbine Lube Oil Sys.Issue Will Be Resolved Before Startup from Current Outage
- 3F1183-15, Ro:On 830817,inadvertent ECCS Actuation Injected Water Into Rcs.Caused by Personnel Error.Actuation Relays Reset.Channel 2 of Engineered Safeguards Train B Tripped.Relays Reset
- 3F1187-09, Special Rept 87-04:Tech Spec 3.3.3.10 Violated.Caused by Removal of Waste Gas Decay Tank Hydrogen & Oxygen Monitors from Svc & Not Returned to Operable Status within 14 Days. Monitors Will Remain Out of Svc Until Sys in Use
- 3F1188-01, Special Rept 88-001:on 881009,RCS Sample Obtained & Analyzed for Iodine Activity Indicated Dose Equivalent Iodine (Dei) Exceeding Tech Spec Limit.Chemists Continued Sampling & Analysis of RCS at Intervals Until Dei Decreased
- 3F1190-13, Special Rept 90-04:on 901015,portion of Mounting Platform for Triaxial Peak Accelograph on Piping on Top of Steam Generator Melted
- 3F1197-14, Special Rept 97-03:on 971021,mid Range & High Range Noble Gas Monitors Found Inoperable Greater than Seven Days.Filter Holder Immediately re-installed
- 3F1283-06, RO 83-050:on 830719,mode Ascension Occurred (Mode 5 to 4) Prior to Completing Required Surveillance.Occurrence Analysis Continuing.Ler Will Be Submitted by 831222
- 3F1284-04, Special Rept SR-84-5:on 841029,Halon Portion of Fire Suppression Sys for Cable Spreading Room Taken Out of Svc for Mod to Cable Spreading Room.Sys Will Be Out of Svc Periodically During Mod for Welding in Cable Spreading Room
- 3F1293-07, Special Rept 93-03:on 931124,ODCM Required Radiation Monitor Taken Out of Svc Due to Failure to Pass Check Source Functional Test & Unavailable for Greater than 7 Days. Subj Monitor Restored to Normal Operation on 931206
- 3F1297-06, Special Rept 97-07:re Hoop Tendon 51H26 That Was Found to Have Normalized lift-off Force of More than 10% Below Predicted Value.Out of Tolerance Tendons Were Returned to Proper pre-stress Level.Commitment Attached
- 3F8097-33, Special Rept 97-02:on 970714,fire Suppression Sys Required by Fire Protection Plan Out of Svc for Greater than Fourteen Days.Two Continuous Fire Watches Put in Place as Compensatory Measures as Required by CR-3
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- A97030, Special Rept:On 970625,2B EDG Starting Air Train a Failed. Caused by Air Compressor Dryer 4 Way Selector Valve Sticking & Causing Compressor to Be Dead Headed.Valve Was Repaired & Train Was Tested Satisfactorily
- A97043, Special Rept 295-201-97-SCAQ00751:on 970813,EDG Tripped Immediately on Starting W/Indication Electronic Governor Speed Sensing Failure.Caused by Magnetic Pick-up Signal Selector Failing.Replaced Mpu Selector Switch
- A97063, Special Rept 295-123-97-002SR:on 971014,failure of 1B EDG Occurred.Exam of Nipple Fractured Surface Revealed Failure Occurred Through Thread Root.Unit 1 Defueled & Unit 2 in Mode 5 Throughout Event
- A98049, Special Rept 304-123-98-001SR:on 980902,valid Failure Rept for 2A EDG Occurred.Cause Unknown.Util Submitted Written Certification of Permanent Cessation of Operations at Zion Station,Units 1 & 2
- AECM-83-0173, Corrected RO 83-001/0:on 830202,smoke Detectors in Lcps Pump Room Covered to Perform Planned Maint.Hourly Fire Watch Established.Update Rept Will Be Submitted by 830515
- AECM-83-0174, Corrected Ro:On 830201,smoke Detectors on Elevation 119 Ft of Auxiliary Bldg Covered to Perform Maint Activity. Hourly Fire Watch Established.Work in Progress
- AECM-83-0181, RO 83-003/0:on 830208,during Cold Shutdown,Fire Door OC414 Alarmed & Would Not Reset After Door Verified Closed.Caused by Malfunction of Latch Bolt.Latch Mechanism Reworked & Door Functionally Tested to Be Operable
- AECM-83-0186, RO 83-005/0:on 830209,w/reactor Mode Switch in Refuel Position,Fire Doors Blocked Open During Welding Activities. Caused by Planned Maint Work Order.Fire Doors Returned to Normal Operation Upon Work Completion
- AECM-83-0187, RO 83-004/0:on 830209,w/reactor Mode Switch in Refuel Position,Lpcs Room Fire Door Blocked Open to Allow for Planned Welding.Fire Watch Established.Door Closed Upon Completion of Work
- AECM-83-0188, RO 83-006/0:on 830210,fire Penetrations AE-382C & AE-384C Opened.Caused by Planned Maint Work Order.Hourly Fire Watch Established.Work Not Completed.Updated Rept Will Be Submitted by 830514
- AECM-83-0192, RO 83-007/0:on 830216,fire Penetration CE-359G Opened to Perform Scheduled Maint.Penetration Restored Upon Completion of Maint Work
- AECM-83-0193, RO 83-008-0:on 830218,during Cold Shutdown,Fire Door 1A315 Alarmed on Fire Protection Computer.Caused by Out of Alignment Magnet in Magnetic Switch.Magnet Adjusted.Door Returned to Operation After Functional Test
- AECM-83-0194, RO 83-009/0:on 830216,fire Zone 2-01 Alarmed & Would Not Reset.Cause Not Determined.Alarm Deactivated.No Fire in Zone Identified.Fire Zone Functionally Tested
- AECM-83-0202, RO 83-011/0:on 830218-0303,special Insp of Fire Rated Penetrations Identified Several Penetrations in Auxiliary, Control,Diesel Generator & Turbine Bldgs Not Meeting Specs, Including Sealing Matl Shrinkage
- AECM-83-0203, RO 83-010/0:on 830209,several Smoke Detectors Covered to Prevent Continuous Alarms During Planned Maint (Grinding & Welding).Hourly Fire Watch Conducted.Detectors Will Be Returned to Svc by 830515.Next Rept Expected by 830530
- AECM-83-0204, RO 83-012/0:on 830222-0316,fire Rated Seals Opened for Planned Maint Activities.Hourly Fire Watch to Be Maintained Until Work Completed by 830515.Updated Rept to Be Submitted by 830530
- AECM-83-0208, RO 83-013/0:on 830301 & 03,Fire Doors 1A109,0C709 & 0C710 Blocked Open to Perform Planned Maint Activities.Hourly Fire Watches Being Conducted.Completion Date for Work Is 830425
- AECM-83-0209, RO 83-014/0:on 830301,fire-rated Penetration TE-14B, Elevation 113 Ft in Turbine Bldg,Opened to Install Raceway Per Design Change Package.Hourly Firewatch Established. Completion Date Scheduled for 830515
- AECM-83-0211, RO 83-017/0:on 830301,latch to Fire Door OC313 in Control Bldg Discovered Damaged Resulting in Alarmed Condition for Fire Zone.Hourly Fire Watch Established.Latch Mechanism Expected to Be Repaired by 830430
- AECM-83-0221, RO 83-016/O:on 830302,Fire Door 1A202 Blocked Open to Allow Routing of Supply Hose Used in Hydrostatic Test of RHR Sys. Hourly Firewatch Conducted for Event Duration.Fire Door Closed on 830314
- AECM-83-0223, RO 83-015/0:on 830311,during Special Insp of fire-rated Assemblies,Three Open Penetrations Identified.Caused by Const Error.Matl Nonconformance Repts 83-213,214 & 215 Issued to Initiate Corrective Action
- AECM-83-0237, RO 83-018/0:on 830307,fire Rated Doors OC202,OC105 & OC106 Blocked Open to Support Work Performed Under Design Change Package 82/5004.Hourly Fire Watch Established & Doors Restored to Operability on 830405
- AECM-83-0248, RO 83-022/0:on 830317,fire Break in Cable Tray at 177-ft Elevation in Control Room Removed for Implementation of Design Change Work Package.Hourly Fire Watch Established. Break Will Be Restored Upon Completion of Work
- AECM-83-0249, RO 83-019/0:on 830317 & 19,several Fire Barriers in Control & Auxiliary Bldgs Opened to Support Implementation of Design Change Packages.Hourly Fire Watches Established.Penetrations to Be Restored by 830630
- AECM-83-0250, RO 83-020/0:on 830315 & 17,supervisory Alarms for Fire Doors Alarmed & Would Not Reset.First Instance Caused by Faulty Spring Door Hinges.Hinges Replaced.Second Instance Caused by Damaged Limit Switch Actuator Arms
- AECM-83-0252, RO 83-023/0:on 830312,two Smoke Detectors in Standby Gas Treatment Filter Train Room,Zone 2-19 Covered During Welding Activities to Prevent Actuation.Similar Event Occurred on 830315.Detector Operability to Be Restored by 830315
- AECM-83-0253, RO 83-024/0:on 830319 & 30,several Smoke Detectors in Control Room Zones 1-18 & Auxiliary Bldg Corridors,Elevation 139 Ft,Respectively,Covered to Prevent Actuation During Welding.Fire Watches Established
- AECM-83-0262, RO 83-027/0:on 830321,during Performance of Seismic Monitoring Sys Functional Test,Operation of Chart Recorders & Spectrum Analyzer Determined Unacceptable.Cause Not Stated.Investigation Underway.Next Rept Expected by 830615
- AECM-83-0266, Special Rept 83-028/0:on 830329,fire Penetrations Opened to Implement Design Change Packages.Fire Watches Established. Work Tasks Expected to Be Completed by 830701
- AECM-83-0279, Updated RO 83-001/1:on 830202,smoke Detectors in LPCS Pump Room Covered to Perform Planned Activity.Hourly Fire Watch Established.Work Still in Progress.Restoration Date for Smoke Detectors Estimated for 830615
- AECM-83-0280, Final RO 83-002/1:on 830201,smoke Detectors on Elevation 119 Ft of Auxiliary Bldg Covered to Perform Planned Maint. Hourly Fire Watch Established.Detectors Restored to Svc on 830509
- AECM-83-0281, Updated RO 83-006/1:on 830210,fire Penetrations AE-382C & AE-384C Opened to Permit Planned Maint Work.Initially Reported on 830318.Maint Work Order Not Completed. Restoration Date Estimated for 830614
- AECM-83-0282, RO 83-033/0:on 830411,fire-rated Penetrations Opened to Implement Design Change Packages.Hourly Fire Watches Established within 1 H & Will Be Maintained for Duration of Planned Maint Activities
- AECM-83-0283, RO 83-032/0:on 830415,smoke Detectors in Control Room Covered to Prevent Alarm Condition While Welding Performed. Detectors Uncovered on 830501 & Sys Returned to Normal Operation
- AECM-83-0287, RO 83-031/0:on 830415,fire Doors Blocked Open for 21 Days, Exceeding 7-day Time Limit.Doors Closed & Restored to Operation
- AECM-83-0293, Ro:On 830418,smoke Detectors N604 A,B & C at Elevation 139 Ft in Auxiliary Bldg Covered to Prevent Continuous Alarm Condition from Welding Performed for Planned Maint Activity. Detectors Uncovered & Returned to Svc on 830509
- AECM-83-0295, Updated RO 83-015/1:on 830311,during Special Insp of fire-rated Assemblies,Three Open Penetrations Identified. Correct Matl Nonconformance Rept Numbers Should Be 00162-83, 00163-83 & 00165-83.Restoration Set for 830530
- AECM-83-0297, RO 83-034/0:on 830413,Fire Door 1A312 Alarmed & Would Not Reset.Cause Unknown.Door Functionally Tested & Returned to Svc
- AECM-83-0298, RO 83-035/0:on 830415,Fire Door 1A401 Blocked Open to Prevent Possibility of Personnel Injury Due to High Differential Pressure Across Door as Result of Secondary Containment Boundary.Door to Be Closed 830630
- AECM-83-0299, RO 83-038/0:on 830426,control Room Ambient Air Temp Exceeded Area Temp Limit of Tech Spec Table 3.7.8-1.Caused by Lack of Operating Control Room HVAC Subsys.Availability of Operability of Equipment Not Affected
- AECM-83-0300, RO 83-037/0:on 830421,Fire Doors 1A214 & 1A210 Opened to Route Air Hoses Into Adjacent Motor Control Ctr Div I Switchgear Rooms for Planned Maint During Scheduled Electrical Outage.Doors Secured on 830509
- AECM-83-0301, RO 83-036/0:on 830418,fire-rated Penetration DE-20A Opened to Route Cable to Supply Temporary Power to Div I Lighting Transformer 1X113 During Planned Electrical Outage. Restoration Scheduled for 830615
- AECM-83-0306, RO 83-039/0:on 830414,fire Detection Zone 2-18 Alarmed & Would Not Reset.Caused by Dust Particles on Ionization Detector.Detectors Cleaned & Restored to Operability on 830505
- AECM-83-0310, RO 83-040/0:on 830424,listed Fire Rated Penetrations Opened to Implement Design Change Packages.Hourly Fire Watches Established & Will Be Maintained.Work Tasks Expected to Be Completed by 830701
- AECM-83-0335, Updated RO 83-010/1:on 830209,smoke Detectors Covered to Prevent Continuous Alarms During Grinding & Welding.Hourly Fire Watch Conducted.Zones Expected to Be Restored by 830630.Addl Fire Zone Listed
- AECM-83-0336, Updated RO 83-015/2:three Open Penetrations Identified. Caused by Incomplete Design Drawings or Const Oversight.Matl Nonconformance Repts Initiated to Correct Deficiencies. Estimated Restoration Date Is 830725
- AECM-83-0340, RO 83-043/0:on 830503,smoke Detector N524E,in Zone 1-24 (Control Cabinet Room),Alarmed Continuously After Being Bumped by Maint Worker.Fire Detection Zone Declared Inoperable.Fire Watch Established.No Cause Found
- AECM-83-0341, RO 83-042/0:on 830502,smoke Detectors in Corridor of Control Bldg Covered to Allow Welding.Hourly Fire Watch Established. Detectors Will Be Restored by 830725
- AECM-83-0342, RO 83-044/0:on 830509,listed fire-related Penetrations Opened to Implement Design Change Packages.Hourly Fire Watches Established within 1 H & Maintained for Duration of Planned Maint Activities
- AECM-83-0345, RO 83-045/0 on 830515,Fire Doors OC501 & OC503 on East Side of Control Room Blocked Open to Allow Routing of Hoses to Seal fire-rated Penetrations in Control Room.Fire Watch Established.Completion Expected by 830725
- AECM-83-0357, RO 83-046/0:on 830515,during Surveillance Testing,Fire Door OC103 Found Damaged & in Constant Alarm.Caused by Damaged Latch Mechanism Due to Heavy Use.Repair Work Will Be Completed by 830630.Hourly Fire Watch Established
- AECM-83-0358, RO 83-048/0:on 830517,reactor Protection Sys Motor Generator Room Fire Door OC412 Blocked Open to Support Planned Work Activity.Fire Watch Established Until Door Restored on 830602
- AECM-83-0379, Updated RO 83-023/1:on 830312,two Smoke Detectors in Standby Gas Treatment Filter Train Room (Zone 2-19) Covered While Conducting Welding Activities.Fire Watches Established. Detectors Should Be Operable by 830901
- AECM-83-0390, Updated RO 83-014/1:on 830301,fire-rated Penetration TE-14B (Elevation 113 Ft,Turbine Bldg) Opened to Install Raceway, Per Design Change Package.Hourly Fire Watch Established. Penetration Not Sealed within 7-day Time Limit
- AECM-83-0421, RO 83-060/0:on 830623,fire-rated Penetration AJ27D Found Open.Fire Watch Established in Area Since 820730 Still in Effect.Penetration Resealed on 830630
- AECM-83-0430, RO 83-061/0:on 830701,listed fire-rated Penetrations Opened to Implement Design Change Packages.Hourly Fire Watches Established within 1 H.Work Tasks Expected to Be Complete by 830910
- AECM-83-0438, RO 83-064/0:on 830626,Fire Door 1A413 in Auxiliary Bldg Blocked Open to Support Planned Work Activity.Door Not Closed within 7-day Time Limit of Action Statement.Maint Activity Expected to Be Completed by 830912
- AECM-83-0439, RO 83-063/0:on 830628,fire-rated Doors in Auxiliary Bldg Blocked Open to Support Planned Maint Activities.Doors Restored on 830725,exceeding 7-day Limiting Condition for Operation Time Limit.Fire Watches Maintained
- AECM-83-0467, RO 83-068/0:on 830711,fire Rated Doors OC221 & OC115 Blocked Open to Support Planned Maint Activities.Fire Watches Established,Per Tech Spec 3.7.7,until Doors Restored on 830809
- AECM-83-0468, RO83-066/0:on 830709 & 13,triaxial Peak Recording Accelerographs Used for Seismic Monitoring of Auxiliary Bldg Foundation & Reactor Vessel Support Failed Surveillance. Caused by Damage Apparently Incurred from Const Activity
- AECM-83-0469, RO 83-069/0:on 830712,listed Penetrations,Cable Tray Cover & Access Hatch Barriers Opened to Support Planned Maint Activities.Hourly Fire Watches Established.Work Tasks Expected to Be Completed by 831130
- AECM-83-0472, RO 83-067/0:on 830704,05 & 12,instruments on HPCS Spray Line,Lpcs Spray Line & Reactor Recirculation & Main Steam Piping,Respectively,Found Damaged.Caused by over-ranging. Instruments Will Be Replaced by 830826
- AECM-83-0477, RO 83-070/0:on 830716,listed Fire Rated Doors Blocked Open to Support Planned Maint Activities in Auxiliary & Control Bldgs.Fire Watches Established.Doors Expected to Be Restored by 830930
- AECM-83-0480, RO 83-071/0:on 830717,fire Rated Doors Blocked Open to Support Planned Maint Activities.Doors Restored on Listed Dates.Fire Watches Established Until Doors Restored
- AECM-83-0508, Updated RO 83-052/1:on 830523,fire-rated Penetrations Opened to Implement Design Change Package Per Tech Specs. Penetrations Resealed.Last Penetration Restored on 830829
- AECM-83-0512, Updated RO 83-045/1:on 830515,fire Doors Blocked Open to Allow Routing of Hoses Into Control Room to Seal fire-rated Penetrations.Fire Watch Established.No Effect Detected on Public Health & Safety
- AECM-83-0524, Updated RO 83-022/1:on 830317,fire Break Detected in Cable Tray Removed for Implementation of Design Change Work Package.Fire Break Restored & Limiting Condition for Operation Lifted on 830823
- AECM-83-0529, Updated RO 83-035/1:on 830415,Fire Door 1A401 Blocked Open to Prevent Possibility of Personnel Injury Due to High Differential Pressure Across Door.Door Restored on 830717
- AECM-83-0530, RO 83-046/1:on 830515,during Surveillance Testing,Fire Door OC103 Found Damaged & in Constant Alarm State.Caused by Damage from Heavy Use.Hourly Fire Watch Conducted Until Door Restored to Operability on 830825
- AECM-83-0531, RO 83-054/1:on 830608,fire Rated Doors Blocked Open to Support Planned Maint in Auxiliary & Control Bldgs.All Doors Restored to Operability.Limiting Condition for Operation Lifted 830822
- AECM-83-0535, Updated RO 83-006/2:on 830210,fire Penetrations AE-382C & AE-384C Opened to Allow Performance of Planned Maint.Work Completed & Limiting Condition for Operation Lifted 830827
- AECM-83-0537, RO 83-073/0:on 830726,during Special Insp of fire-rated Assemblies,Discovered Fire Barriers in Control Room Not Installed at Two Locations.Fire Watch Established Until Barriers Installed on 830827
- AECM-83-0538, RO 83-074/0:on 830728,fire-rated Penetrations AE-263B in Auxiliary Bldg & CE-429B in Control Bldg Opened to Repair Damaged Cable Joint.Hourly Watches Will Be Maintained.Work Tasks to Be Completed by 831001
- AECM-83-0539, RO 83-075/0:on 830722,smoke Detector N603A Relocated to Conform W/Electrical Raceway Drawings.Action Statements Entered & Fire Watch Established.Detector Returned to Normal Operation 830827
- AECM-83-0541, Updated RO 83-011/1:during 830218-0303,several fire-rated Penetrations Failed to Conform to Design Specs.Caused by Degradation Since Installation.Barriers Will Be Restored by 831015
- AECM-83-0542, Updated RO 83-012/1:on 830222-0316,numerous fire-rated Seals Opened to Perform Planned Maint Activities.Hourly Fire Watch Being Conducted.Estimated Completion Date Is 831015
- AECM-83-0543, Updated RO 83-015/3 Re Open fire-rated Penetrations.Caused by Incomplete Design Drawings or Const Oversight.Action Statement a of Tech Spec 3.7.7 Will Continue Until All Three Penetrations Closed
- AECM-83-0544, RO 83-019/1:on 830317 & 19,several Fire Barriers in Control Bldg & Auxiliary Bldg Opened to Support Design Change Packages.Hourly Fire Watch Established.Penetrations Will Be Restored by 831015
- AECM-83-0545, Updated RO 83-025/1:on 830322,fire-rated Penetrations Opened to Implement Design Change Packages.Hourly Fire Watches Established.Work Tasks to Be Completed by 831015
- AECM-83-0546, Updated RO 83-028/1:on 830329,fire-rated Penetrations,Listed on Encl,Opened to Implement Design Change Packages W/Hourly Fire Watches Established.Revised Completion Date of 831016 Established for Penetrations Not Restored
- AECM-83-0547, Updated RO 83-033/1:on 830411,fire-rated Penetrations Opened to Implement Design Change Packages.Hourly Fire Watches Established within 1 H & Maintained for Duration of Maint.Completion Expected by 831015
- AECM-83-0559, Updated RO 83-041/1:on 830424,smoke Detectors in Upper & Lower Cable Spreading Rooms Covered & Deactivated to Prevent Actuation from Welding Activities.Smoke Detectors Restored 830906
- AECM-83-0560, Updated RO 83-040/1:on 830424,fire-rated Penetrations,Listed in Encl,Opened to Implement Design Change Packages & Restored on Dates Listed.Last Fire Barrier Restored on 830906
- AECM-83-0563, RO-83-078/0:on 830728,fire Detection Zones 2-06 & 2-20 Auxiliary bldg,139-ft Elevation Alarmed & Would Not Reset. Hourly Firewatch Established Per Tech Spec 3.3.7.9.Caused by Accumulation of Dust in Ionization Detectors
- AECM-83-0568, RO 83-077/0:on 830808,latch to Fire Door 1A409 in Auxiliary Bldg Damaged,Resulting in Alarmed Condition for Fire Zone.Fire Watches Established.Cause Not Stated.Latch Mechanism Repaired & Door Restored on 830823
- AECM-83-0570, RO 83-079/0:on 830808,fire-rated Doors 1A108 & 1A109 in Auxiliary Bldg Blocked Open to Run Hose for Testing During Planned Maint Activities.Fire Watches Established Per Tech Spec 3.7.7 Until Doors Restored on 830822
- AECM-83-0571, RO 83-080/0:on 830806,fire-rated Door 1A317 Blocked Open to Support Planned Maint Activities.Fire Watches Established Until Door Restored on 830831
- AECM-83-0576, RO 83-076/0:on 830817 & 26,control Room Ambient Air Temp Periodically Exceeded Area Temp Limit of Tech Specs.Caused by Small Leak Resulting in Low Freon in Available Control Room HVAC Subsystem B
- AECM-83-0584, Updated RO 83-049/1:on 830526,Halon Bottle 2 in Panel P936 Discharged Until Empty.Caused by Foreign Stimulus.Switches Labeled & Provided W/Protective Covers
- AECM-83-0585, Updated RO 83/044/1:on 830509,listed fire-rated Penetrations Opened to Implement Design Changes.Hourly Fire Watches Established.Work Tasks Will Be Completed by 831101
- AECM-83-0586, Updated RO 83-053/1:on 830601,fire-rated Penetrations Opened to Implement Design Change Packages.Hourly Fire Watches Established.Work Tasks Expected to Be Completed by 831101
- AECM-83-0589, Updated RO 83-055/1:on 830607 & 09,fire Penetrations CE-365F,CE-274D,AP3G & AP2G Opened & Cut for Implementation of Design Changes.Fire Watch established.AP3G & AP2G Restored 830826.CE-365F & CE-274D Will Be Resealed 831101
- AECM-83-0590, Final RO 83-082/0:on 830813,fire Penetrations Opened to Support Planned Maint.Fire Watches Established in Accordance W/Tech Spec 3.7.7 Until Penetrations Resealed
- AECM-83-0594, RO 83-085/0:on 830823,latch to Fire Door ID302 of Div I Diesel Generator Room Damaged.Fire Watches Established,Per Tech Spec 3.7.7 Until Door Restored on 830910
- AECM-83-0598, Updated RO 83-066/1:on 830709 & 13,triaxial Peak Recording Accelerograph Used for Seismic Monitoring of Auxiliary Bldg Foundation & Reactor Vessel Support Failed Surveillance.New Instruments Installed
- AECM-83-0600, Updated RO 83-067/1:on 830819,accelerographs Used for Seismic Monitoring Discovered Damaged Due to over-ranging. Instrument on HPCS Spray Line Replaced 830713.LPCS Spray Line Instrument Replaced 830713
- AECM-83-0605, RO 83-084/0:on 830819,during Performance of Fire Protection Surveillance procedure,16 of 20 Q-rated Fire Dampers Discovered W/S Shaped Hooks Connecting Fusible Links W/Damper Instead of Required vice-crimped Straps
- AECM-83-0633, RO 83-088/0:on 830904,control Room Temp Exceeded 77 F Limit.Upper Cabinet Area on Elevation 189 Ft of Control Room Bldg Also Exceeded Limit.Excessive Temps Sporadic from 830904-10.Cause Under Investigation
- AECM-83-0634, RO 83-087/0:on 830831,Fire Door 1A204 Blocked Open to Support Planned Maint Activities.Fire Watches Established Per Tech Specs Until Door Restored on 830910
- AECM-83-0637, RO 83-086/0:on 830829,listed Fire Barriers Opened to Support Planned Maint Activities.Fire Watches Established & Barriers Restored
- AECM-83-0650, RO 83-098/0:on 830915,fire-rated Door 1A203 Blocked Open to Support Planned Maint Activities.Fire Watches Established Per Tech Spec 3.7.7 Until 831006
- AECM-83-0651, RO 83-090/0:on 830910,during Surveillance Testing,Fire Doors 1A320 & OC211 Found Inoperable & Fire Door 1A320 in Auxiliary Bldg Could Not Be Locked.Locking Mechanism & Hinges Replaced.Hourly Fire Watch Established for Duration
- AECM-83-0673, RO 83-093/0:on 830914 & 15,control Room Upper Cable Spreading Room Ambient Air Temp Exceeded Area Temp Limit of 77 F in Tech Spec 3.7.8-1.c During 36 H Period.Max Qualification Temp Not Exceeded
- AECM-83-0678, RO 83-091/0:on 830910,during Surveillance Testing,Fire Door OC713 on Elevation 189 Ft in Control Bldg Found W/O Lock. Fire Door OC713 Not Designed to Lock.Door Deleted from Procedure 06-OP-SP64-W-0045,Rev 20.Fire Watch Established
- AECM-83-0679, RO 83-09210:on 830910,listed Control Room fire-rated Penetrations Opened to Implement Design Change Package.Fire Watch Established.Penetrations Resealed on 831007
- AECM-83-0687, RO 83-096/0:on 830926,Fire Door OC313,serving as Double Door to Main Entrance of Lobby in Control Bldg,Reported Inoperable Due to Heavy Use.Fire Watch Established.Repairs Expected to Be Completed by 831215
- AECM-83-0690, RO 83-094:on 830922,two fire-rated Assembly Penetrations Located in North Wall of Room OC402 & South Wall of Room OC405 Discovered Open.Penetrations Not Identified on Drawings.Fire Watches Established
- AECM-83-0699, RO 83-095/0:on 830926,fire-rated Assembly Penetrations AE53D & AE590D Discovered Open.Penetrations Not Listed on Schedule.Fire Watch Established Until Penetrations Sealed. Sealing Completion Expected by 831230
- AECM-83-0717, RO 83-097/0:on 831003,auxiliary Bldg Steam Line Tunnel Temps Exceeded Tech Spec 3.7.8 Limit.Analysis to Demonstrate Continued Operability in Progress.Update Rept Expected by 831120
- AECM-83-0720, Updated Final RO 83-097/1:on 831003-18,auxiliary Bldg Main Steam Line Tunnel Temps Exceeded Tech Specs.Evaluation Concluded All Equipment in Steam Tunnel Qualified or Justified for Continued Operation
- AECM-83-0726, RO 83-098/0:on 830929,during Special insp,fire-rated Penetration AE-176D on Elevation 166 Ft in Auxiliary Bldg Declared Inoperable.Caused by Improper Installation. Penetration Reworked to Conform to Specs
- AECM-83-0739, RO 83-099/0:on 831006,Five Door OC414 to Stairwell on Elevation 148 Ft in Control Bldg Blocked Open to Support Planned Maint Activities.Fire Watches Established Until Door Restored on 831031
- AECM-83-0740, RO 83-100/0:on 831007,Fire Door OC619 to Stairwell on Elevation 177 Ft in Control Bldg Blocked Open to Support Planned Maint Activities.Fire Watch Established Until Door Restored on 831031
- AECM-83-0744, RO 83-102/0:on 831014,radwaste Bldg 93-ft Elevation Fire Door OR122 Blocked Open to Support Planned Maint Activities. Fire Watches Established.Door Will Be Restored by 831230
- AECM-83-0745, RO 83-101/0:on 831011,work Began on Opening Listed fire-rated Penetrations to Implement Design Change Packages. Fire Watches Established & Will Be Maintained Until Expected Completion by 840130
- AECM-83-0754, RO 83-103/0:on 831017,fire-rated Penetrations CE 230D,CE 205D & CE 153D Opened to Implement Design Change Package. Fire Watch Established Until Penetrations Resealed on 831102
- AECM-83-0767, RO 83-105/0:on 831031-1106,fluctuating Temps in Auxiliary Bldg Steam Tunnel Exceeded Tech Spec Limit of 125 F for More than 8 H.Steam Tunnel Cooler Coils Replaced to Resolve Temp Problems
- AECM-83-0768, RO 83-104/0:on 831024,fire-rated Penetration CE-515D Discovered Open.Due to Incomplete Identification on Penetration,Wrong Penetration Sealed.Penetrations Labeled to Differentiate Mechanical & Architecture Drawings
- AECM-83-0771, RO 83-106/0:on 831021 & 26,smoke Detectors N515-N & N515-0 in Zone 1-15 & N523-S & N523-R in Zone 1-23 Covered to Support Planned Maint Activities.Fire Watches Established Until Detectors Restored on 831109
- AECM-83-0780, RO 83-107/0:on 831101,Fire-Rated Door OC501 Inoperable. Latching Mechanism on Door Damaged as Result of Heavy Use. Fire Watch Established.Repairs Expected to Be Complete by 840315
- AECM-83-0784, RO 83-108/0:on 831111 & 17,fluctuating Temps in Upper Control Room Exceeded Tech Spec Limit of 77 F for More than 8 H.Max Recorded Temp Was 79 F.Equipment Operability Unaffected
- AECM-83-0789, RO 83-109/0:on 831105,fire Barriers in Floor Panel 1H13-U-735,LA53-L091 Opened to Implement Design Change Package.Fire Watch Established Until Barriers Resealed on 831204
- AECM-83-0790, RO 83-110/0:on 831110,Fire Door 1A320 to Main Steam Tunnel Room Blocked Open to Support Planned Maint Activities.Fire Watches Established.Door Will Be Restored by 840116
- AECM-83-0798, RO 83-111/0:on 830328,fire Penetration CE-519D Opened to Implement Design Change Package.Penetration Reopened to Install Conduits Per Package.Fire Watch Established & Will Continue Until Penetration Sealed
- AECM-83-0812, Updated RO 83-096/1:on 830926,Fire Door OC313 Reported Inoperable.Caused by Heavy Use.Parts to Repair Door Ordered. Completion Expected by 840228.Fire Watch Established
- AECM-84-0011, RO 83-114/0:on 831215,control Room Temp Exceeded Tech Spec Limit of 77 Degrees F for Period of More than 8 H.Max Recorded Temp Was 80 Degrees F.Availability or Operability of Equipment within Area Not Affected