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 Issue dateTitleTopic
05000302/LER-1981-031, Updated LER 81-031/01T-1:on 810624,Henry Pratt Co Notified That Containment Purge Valves AHV-1A,1B,1C & 1D Could Fail During Loca.Cause Unknown.Valves Modified on 810701.Mods Resolved 10CFR100 Dose Rate Excess Identified on 82115 November 1982Updated LER 81-031/01T-1:on 810624,Henry Pratt Co Notified That Containment Purge Valves AHV-1A,1B,1C & 1D Could Fail During Loca.Cause Unknown.Valves Modified on 810701.Mods Resolved 10CFR100 Dose Rate Excess Identified on 821101
05000302/LER-1983-018, Updated LER 83-018/01T-1:on 830413,preliminary Repts Received from B&W Indicated 51 of 120 Upper Core Barrel Bolts W/Ultrasonic Flaw Indications.Caused by Intergranular Stress Corrosion Cracking.Bolts Replaced12 July 1983Updated LER 83-018/01T-1:on 830413,preliminary Repts Received from B&W Indicated 51 of 120 Upper Core Barrel Bolts W/Ultrasonic Flaw Indications.Caused by Intergranular Stress Corrosion Cracking.Bolts ReplacedStress corrosion cracking
05000302/LER-1983-023, Updated LER 83-023/01T-1:on 830613,fire Damper Discovered Missing.Approx 55 Addl Dampers & Chase Connecting Control Complex 108 & 165 Ft Elevations Degraded Due to Incorrect Fire Rating.Caused by Personnel Error20 July 1983Updated LER 83-023/01T-1:on 830613,fire Damper Discovered Missing.Approx 55 Addl Dampers & Chase Connecting Control Complex 108 & 165 Ft Elevations Degraded Due to Incorrect Fire Rating.Caused by Personnel ErrorFire Barrier
Continuous fire watch
Fire Protection Program
05000302/LER-1983-031, Supplementary LER 83-031/03L-1:on 830725,containment Isolation Valve CAV-6 & -7 Would Not Close Under Sys Pressure of 1,000 Psi.Caused by Insufficient Design &/Or Inadequate Maint Procedures7 September 1983Supplementary LER 83-031/03L-1:on 830725,containment Isolation Valve CAV-6 & -7 Would Not Close Under Sys Pressure of 1,000 Psi.Caused by Insufficient Design &/Or Inadequate Maint ProceduresPacking leak
05000302/LER-1983-045, Rev 1 to LER 83-045/03X-1:on 831016,1104 & 08,175-ft Wind Speed Instrumentation & on 831028 & 1102,33-ft Wind Direction Instrumentation Discovered Inoperable.Caused by Severe Weather Damage & Component Failure1 December 1983Rev 1 to LER 83-045/03X-1:on 831016,1104 & 08,175-ft Wind Speed Instrumentation & on 831028 & 1102,33-ft Wind Direction Instrumentation Discovered Inoperable.Caused by Severe Weather Damage & Component Failure
05000302/LER-1983-053, Updated LER 83-053/03L-1:on 831109,safety-related Hydraulic Snubber MSH-252 Declared Inoperable When Lack of Oil Level Indication Noted in Sightglass.Caused by Loose jam-nut on Stationary End of Snubber,Allowing rotation.W/84016 January 1984Updated LER 83-053/03L-1:on 831109,safety-related Hydraulic Snubber MSH-252 Declared Inoperable When Lack of Oil Level Indication Noted in Sightglass.Caused by Loose jam-nut on Stationary End of Snubber,Allowing rotation.W/840106 Ltr
05000302/LER-1983-058, Updated LER 83-058/03L-1:on 831103,while Performing Maint on 120-volt Ac Vital Bus Transfer Switch,Fuse Blew,Rendering Inverter 3A Inoperable.Caused by Personnel Inadvertently Shorting Out Lamp Base.Inverter repaired.W/840106 L6 January 1984Updated LER 83-058/03L-1:on 831103,while Performing Maint on 120-volt Ac Vital Bus Transfer Switch,Fuse Blew,Rendering Inverter 3A Inoperable.Caused by Personnel Inadvertently Shorting Out Lamp Base.Inverter repaired.W/840106 Ltr
05000302/LER-1984-001, Updated LER 84-001-01:on 840113,end Cap on Reactor Bldg Side of Spare Penetration 3531 Mistakenly Cut Off.Caused by Personnel Failure to Follow Applicable Engineering Procedures.Personnel Retrained26 June 1984Updated LER 84-001-01:on 840113,end Cap on Reactor Bldg Side of Spare Penetration 3531 Mistakenly Cut Off.Caused by Personnel Failure to Follow Applicable Engineering Procedures.Personnel Retrained
05000302/LER-1989-013, Corrected LER 89-013-01:on 890409,when Time Delay Satisfied & Voltage Had Not Recovered,Emergency Diesel Generator Start Signal Was Initiated.Caused by Degraded Voltage on Engineered Safeguard 4,160 Volt Buses5 July 1989Corrected LER 89-013-01:on 890409,when Time Delay Satisfied & Voltage Had Not Recovered,Emergency Diesel Generator Start Signal Was Initiated.Caused by Degraded Voltage on Engineered Safeguard 4,160 Volt Buses
05000302/LER-1990-01027 July 1990LER 90-010-00:on 900626,determined That Voltage Dips Caused by Sluggish Voltage Regulator Response Exceed Reg Guide 1.9 Limits.Caused by Improper Load Sequence Interval.Test Plan Being Developed for Testing Voltage regulator.W/900727 Ltr
05000302/LER-1997-039, Corrected Page 1 to LER 97-039-00,adding Rept Date in Block 7.On 971108,unqualified Matl Discovered Left in Reactor Bldg During Const.Caused by Personnel Error.Polystyrene Permanently Installed3 December 1997Corrected Page 1 to LER 97-039-00,adding Rept Date in Block 7.On 971108,unqualified Matl Discovered Left in Reactor Bldg During Const.Caused by Personnel Error.Polystyrene Permanently Installed
05000302/LER-1997-040, Corrected Page 1 of LER 97-040-00,adding Rept Date in Block 7.On 971110,inadequate Engineering Documentation for safety- Related Large Bore Piping Analysis & Pipe Supports Noted. Caused by Personnel Error4 December 1997Corrected Page 1 of LER 97-040-00,adding Rept Date in Block 7.On 971110,inadequate Engineering Documentation for safety- Related Large Bore Piping Analysis & Pipe Supports Noted. Caused by Personnel Error
05000335/LER-1981-039, Updated LER 81-039/03L-1:on 810802,during Power Operation, PORV Block Valve MV1403 Would Not Close.Caused by Loose Electrical Connection on Valve Limit Switch.Connection Tightened During Oct 1981 refueling.W/840319 Ltr19 March 1984Updated LER 81-039/03L-1:on 810802,during Power Operation, PORV Block Valve MV1403 Would Not Close.Caused by Loose Electrical Connection on Valve Limit Switch.Connection Tightened During Oct 1981 refueling.W/840319 Ltr
3F0184-12, Monthly Operating Rept for Dec 198331 December 1983Monthly Operating Rept for Dec 1983
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 84011523 January 1984RO 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 840115Fire Watch
3F0185-02, Monthly Operating Rept for Dec 198431 December 1984Monthly Operating Rept for Dec 1984
3F0186-09, Monthly Operating Rept for Dec 198531 December 1985Monthly Operating Rept for Dec 1985
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 Recalibr9 January 1987Special 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
3F0187-08, Monthly Operating Rept for Dec 198631 December 1986Monthly Operating Rept for Dec 1986
3F0188-09, Monthly Operating Rept for Dec 198731 December 1987Monthly Operating Rept for Dec 1987
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 Generator20 January 1988Special 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 GeneratorEddy Current Testing
3F0191-05, Monthly Operating Rept for Crystal River Unit 3 for Dec 199031 December 1990Monthly Operating Rept for Crystal River Unit 3 for Dec 1990
3F0192-07, Monthly Operating Rept for Dec 1991 for Crystal River Unit 331 December 1991Monthly Operating Rept for Dec 1991 for Crystal River Unit 3
3F0193-05, Monthly Operating Rept for Dec 1992 for Crystal River,Unit 331 December 1992Monthly Operating Rept for Dec 1992 for Crystal River,Unit 3
3F0194-06, Monthly Operating Rept for Dec 1993 for Crystal River Unit 331 December 1993Monthly Operating Rept for Dec 1993 for Crystal River Unit 3
3F0195-04, Monthly Operating Rept for Dec 1994 for Crystal River Unit 331 December 1994Monthly Operating Rept for Dec 1994 for Crystal River Unit 3
3F0196-05, Monthly Operating Rept for Dec 1995 for Crystal River Unit 331 December 1995Monthly Operating Rept for Dec 1995 for Crystal River Unit 3
3F0197-08, Monthly Operating Rept for Dec 1996 for Crystal River Unit 331 December 1996Monthly Operating Rept for Dec 1996 for Crystal River Unit 3
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 Panel3 January 1998Special 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
3F0198-05, Monthly Operating Rept for Dec 1997 for Crystal River,Unit 331 December 1997Monthly Operating Rept for Dec 1997 for Crystal River,Unit 3
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 Encl8 January 1998Special 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
3F0199-05, Monthly Operating Rept for Dec 1998 for Crystal River Unit 3.With31 December 1998Monthly Operating Rept for Dec 1998 for Crystal River Unit 3.With
3F0284-05, Monthly Operating Rept for Jan 198431 January 1984Monthly Operating Rept for Jan 1984
3F0285-08, Monthly Operating Rept for Jan 198531 January 1985Monthly Operating Rept for Jan 1985
3F0285-16, Annual Operating Rept,198431 December 1984Annual Operating Rept,1984Grab sample
Met Tower
Overspeed trip
3F0286-04, Monthly Operating Rept for Jan 198631 January 1986Monthly Operating Rept for Jan 1986
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 86022110 February 1986RO: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 860221Ultimate heat sink
3F0287-05, Monthly Operating Rept for Jan 198731 January 1987Monthly Operating Rept for Jan 1987
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 Tested23 February 1987Ro: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 Changed23 February 1987Ro: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
3F0288-10, Monthly Operating Rept for Jan 198831 January 1988Monthly Operating Rept for Jan 1988
3F0288-13, Part 21 Rept Re Degraded Limitorque Motor Operator Valve Leads.Initially Reported on 880212.Caused by Damaged Insulation.Limitorque Contacted for Repair Method.Valves Did Not Have Insulation Type Described in IE Info Notice 87-00815 February 1988Part 21 Rept Re Degraded Limitorque Motor Operator Valve Leads.Initially Reported on 880212.Caused by Damaged Insulation.Limitorque Contacted for Repair Method.Valves Did Not Have Insulation Type Described in IE Info Notice 87-008
3F0288-14, 1987 Annual Rept of Reactor Vessel Surveillance Capsules, Challenges to Pressurizer PORV & Safety Valves,Facility Changes,Test & Experiments31 December 19871987 Annual Rept of Reactor Vessel Surveillance Capsules, Challenges to Pressurizer PORV & Safety Valves,Facility Changes,Test & ExperimentsPost Accident Monitoring
3F0289-07, Monthly Operating Rept for Jan 1989 for Crystal River Unit 331 January 1989Monthly Operating Rept for Jan 1989 for Crystal River Unit 3
3F0291-04, Monthly Operating Rept for Jan 1991 for Crystal River Unit 331 January 1991Monthly Operating Rept for Jan 1991 for Crystal River Unit 3
3F0292-07, Monthly Operating Rept for Jan 1992 for Crystal River, Unit 331 January 1992Monthly Operating Rept for Jan 1992 for Crystal River, Unit 3
3F0293-02, Monthly Operating Rept for Jan 1993 for Crystal River Unit 331 January 1993Monthly Operating Rept for Jan 1993 for Crystal River Unit 3
3F0294-08, 1993 Annual Repts, Including Annual Rept of Personnel Exposure,Annual Rept of Reactor Vessel Surveillance Capsules & Annual Rept of Challenges to Pressurizer Relief & Safety Valves31 December 19931993 Annual Repts, Including Annual Rept of Personnel Exposure,Annual Rept of Reactor Vessel Surveillance Capsules & Annual Rept of Challenges to Pressurizer Relief & Safety Valves
3F0294-10, Monthly Operating Rept for Jan 1994 for Crystal River Unit 331 January 1994Monthly Operating Rept for Jan 1994 for Crystal River Unit 3
3F0295-05, Monthly Operating Rept for Jan 1995 for Crystal River Unit 331 January 1995Monthly Operating Rept for Jan 1995 for Crystal River Unit 3