Forwards LER 82-077/03L-0
Person / Time
ML20028F481
Site:	Calvert Cliffs
Issue date:	01/21/1983
From:	Russell L BALTIMORE GAS & ELECTRIC CO.
To:	Haynes R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20028F482	List: 05000317/LER-1982-077, Forwards LER 82-077/03L-0 05000317/LER-1982-077-03, /03L-0:on 821224,computer Failed,Rendering in-core Detector Monitoring Sys Inoperable.Caused by High Environ Temp in Computer Room Due to Improper Rotation of Air Conditioner Condenser Fan Motor.Computer Boot Strapped
References
NUDOCS 8302010383
Download: ML20028F481 (1)
v • d • e

LER-1982-077, Forwards LER 82-077/03L-0

Event date:
Report date:
3171982077R00 - NRC Website
v • d • e

text

B ALTIMORE G AS AND ELECTRIC COMPANY P.O. B O X 1415 Es A LTI M O R E. M A R YL A N D 21203 HUCLEAR POWER DEPARTMENT CALVERT CLIFFS NUCLEAR POWER PLANT LUSBY. M ARYL AND 20657 January 21, 1383 Mr. Ronald C. Haynes, Director Docket No. 50-317 U.S. Nuclear Regulatory Commission License No. DPR 53 Region 1 631 Park Avenue King of Prussia, PA 19406

Dear Mr. Haynes:

In accordance with Technical Specification 6.9.1.9.b please find the attached thirty day report for LER 82-77/3L.

Should you have any questions regarding this report, we would be pleased to discuss them with you.

Very truly yours, w

L. B. Russell Plant Superintendent l

LBR/JWR/mlk l

l cc: Director, Office of Management Information and Program Control Messrs:

A. E. Lundvall, Jr.

J. A. Tiernan l

8302010383 830121 PDR ADOCK 05000317 0

PDR v

Licensee Event Report

Calvert Cliffs

70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 |

90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | 98 | 99 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 |

10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 |

		Reporting criterion
05000318/LER-1982-001, Forwards LER 82-001/03L-0	Forwards LER 82-001/03L-0
05000318/LER-1982-001-03, /03L-0:on 820118,discovered Excessive Leak Rate Past Containment Personnel Air Lock Outer Door.Caused by Decrease in Force Holding Door Shut.Door Operating Mechanism Adjusted to Increase Force	/03L-0:on 820118,discovered Excessive Leak Rate Past Containment Personnel Air Lock Outer Door.Caused by Decrease in Force Holding Door Shut.Door Operating Mechanism Adjusted to Increase Force
05000318/LER-1982-002-03, /03L-0:on 820204,during Surveillance Testing,, Feeder Breaker 152-2101 Tripped Open Causing Loss of Power to 21-4 Kv Bus.Caused by Failed Isolator Module.Isolator Replaced & Sys Tested Satisfactorily	/03L-0:on 820204,during Surveillance Testing,, Feeder Breaker 152-2101 Tripped Open Causing Loss of Power to 21-4 Kv Bus.Caused by Failed Isolator Module.Isolator Replaced & Sys Tested Satisfactorily
05000317/LER-1982-002, Forwards LER 82-002/03L-0	Forwards LER 82-002/03L-0
05000317/LER-1982-002-03, Feeder Breaker 152-2101 Tripped Open,Causing Power Loss to 21 4-kV Bus.Caused by Failed Isolation Valve Applying False Hidden Trip Signal. Module Retrofitted w/MCT2 Optoisolator	Feeder Breaker 152-2101 Tripped Open,Causing Power Loss to 21 4-kV Bus.Caused by Failed Isolation Valve Applying False Hidden Trip Signal. Module Retrofitted w/MCT2 Optoisolator
05000317/LER-1982-003, Forwards LER 82-003/03L-0	Forwards LER 82-003/03L-0
05000317/LER-1982-003-03, /03L-0:on 820126,during Surveillance Testing,Cell 29 of 125 volt-dc Battery 12 Indicated 0.04 Volt Below Min. Cause Unknown.Facility Change 82-11 Implemented	/03L-0:on 820126,during Surveillance Testing,Cell 29 of 125 volt-dc Battery 12 Indicated 0.04 Volt Below Min. Cause Unknown.Facility Change 82-11 Implemented
05000318/LER-1982-003-03, /03L-0:on 820120,during Normal Operation, Containment Atmosphere Gaseous Radioactivity Monitor Declared Inoperable.Caused by Failed Detector (Lnd,Inc Type 71916) tube-to-connector Seal.Monitor Repaired	/03L-0:on 820120,during Normal Operation, Containment Atmosphere Gaseous Radioactivity Monitor Declared Inoperable.Caused by Failed Detector (Lnd,Inc Type 71916) tube-to-connector Seal.Monitor Repaired
05000318/LER-1982-003, Forwards LER 82-003/03L-0	Forwards LER 82-003/03L-0
05000318/LER-1982-004-01, During Surveillance Test, Steam Generator 22 Pressure Indication on Remote Shutdown Monitoring Instrumentation Panel Read High.Caused by Valve Packing Leak.Transmitter Recailbr	During Surveillance Test, Steam Generator 22 Pressure Indication on Remote Shutdown Monitoring Instrumentation Panel Read High.Caused by Valve Packing Leak.Transmitter Recailbr
05000318/LER-1982-004-03, /03L-0:on 820211,steam Generator 22 Pressure Indication on Remote Shutdown Monitoring Instrumentation Panel Read High.Caused by Large MSIV Packing Leak.Msiv Repaired & Transmitter Recalibr & Returned to Svc on 820223	/03L-0:on 820211,steam Generator 22 Pressure Indication on Remote Shutdown Monitoring Instrumentation Panel Read High.Caused by Large MSIV Packing Leak.Msiv Repaired & Transmitter Recalibr & Returned to Svc on 820223
05000318/LER-1982-004, Forwards Updated LER 82-004/01X-1	Forwards Updated LER 82-004/01X-1
05000317/LER-1982-004, Forwards LER 82-004/04L-T	Forwards LER 82-004/04L-T
05000317/LER-1982-004-04, /04T-0:on 820122,while Rinsing Down Anion Demineralizer W/Waste Neutralizing Tank Bypassed,Water Sample Exceeded ETS Limit.Caused by Inadequate Procedures & Failure to Sample Rinse Water Prior to Discharge	/04T-0:on 820122,while Rinsing Down Anion Demineralizer W/Waste Neutralizing Tank Bypassed,Water Sample Exceeded ETS Limit.Caused by Inadequate Procedures & Failure to Sample Rinse Water Prior to Discharge
05000317/LER-1982-005-03, /03L-0:on 820129,during Normal Operation,Control Room Air Conditioning Unit 12 Tripped.Caused by Shorted Red Indication Lamp Socket (Rowan 2084-EPRI-L120) on Control Room Air Conditioning Supply Fan Motor Breaker	/03L-0:on 820129,during Normal Operation,Control Room Air Conditioning Unit 12 Tripped.Caused by Shorted Red Indication Lamp Socket (Rowan 2084-EPRI-L120) on Control Room Air Conditioning Supply Fan Motor Breaker
05000317/LER-1982-005, Forwards LER 82-005/03L-0	Forwards LER 82-005/03L-0
05000318/LER-1982-005, Forwards LER 82-005/01T-0	Forwards LER 82-005/01T-0
05000318/LER-1982-005-01, /01T-0:on 820223,discovered Jet Impingement Barrier in Main Steam Penetration Room Not Completely Installed.Caused by Personnel Error.Maint Procedure to Be Changed	/01T-0:on 820223,discovered Jet Impingement Barrier in Main Steam Penetration Room Not Completely Installed.Caused by Personnel Error.Maint Procedure to Be Changed
05000318/LER-1982-006-03, /03L-0:on 820219,during Mode 5 Operation,While Conducting Surveillance Testing,Leakage Past CTMT Purge Supply & Exhaust Valves Was Found in Excess of Tech Specs. Caused by Normal Wear of Ethylene Proplene Seats	/03L-0:on 820219,during Mode 5 Operation,While Conducting Surveillance Testing,Leakage Past CTMT Purge Supply & Exhaust Valves Was Found in Excess of Tech Specs. Caused by Normal Wear of Ethylene Proplene Seats
05000318/LER-1982-006, Forwards LER 82-006/03L-0	Forwards LER 82-006/03L-0
05000317/LER-1982-006-03, /03L-0:on 820215,containment Air Cooler Fan 13 Could Not Be Stopped or Shifted to Low Speed from Control Room.Cause Not Determined & No Maint Action Performed.Fan Returned to Svc	/03L-0:on 820215,containment Air Cooler Fan 13 Could Not Be Stopped or Shifted to Low Speed from Control Room.Cause Not Determined & No Maint Action Performed.Fan Returned to Svc
05000317/LER-1982-006, Forwards LER 82-006/03L-0	Forwards LER 82-006/03L-0
05000318/LER-1982-007-03, /03L-0:on 820223,auxiliary Feedwater Flow Indication to Steam Generator 22 Indicated 70 Gallons Per Minute W/No Flow in Line.Possibly Caused by Personnel Error. Flow Transmitter Dampening Adjustment Improperly Set	/03L-0:on 820223,auxiliary Feedwater Flow Indication to Steam Generator 22 Indicated 70 Gallons Per Minute W/No Flow in Line.Possibly Caused by Personnel Error. Flow Transmitter Dampening Adjustment Improperly Set
05000318/LER-1982-007, Forwards LER 82-007/03L-0	Forwards LER 82-007/03L-0
05000317/LER-1982-007-03, /03L-0:on 820218 & 21,auxiliary Feedwater Flow Indication of Steam Generator 12 Indicated 70 Gpm W/No Flow in Line.Caused by Shifting of Transmitter Zero Adjustment. Transmitter Recalibr	/03L-0:on 820218 & 21,auxiliary Feedwater Flow Indication of Steam Generator 12 Indicated 70 Gpm W/No Flow in Line.Caused by Shifting of Transmitter Zero Adjustment. Transmitter Recalibr
05000317/LER-1982-007, Forwards LER 82-007/03L-0	Forwards LER 82-007/03L-0
05000317/LER-1982-008-03, /03L-0:on 820303,during Power Operation,While Restoring Component Cooling Lineup to Normal,Component Cooling HX 11 Discovered Isolated for 13-h.Caused by Failure to Log HX Inlet Valves in Locked Valve Deviation Log	/03L-0:on 820303,during Power Operation,While Restoring Component Cooling Lineup to Normal,Component Cooling HX 11 Discovered Isolated for 13-h.Caused by Failure to Log HX Inlet Valves in Locked Valve Deviation Log
05000317/LER-1982-008, Forwards LER 82-008/03L-0	Forwards LER 82-008/03L-0
05000318/LER-1982-008-03, During Mode 3,inner Containment Door Would Not Latch,Preventing Outer Door from Opening.Caused by Failure of Air Mechanism Due to Broken Cam Follower.Overhaul Performed	During Mode 3,inner Containment Door Would Not Latch,Preventing Outer Door from Opening.Caused by Failure of Air Mechanism Due to Broken Cam Follower.Overhaul Performed
05000318/LER-1982-008, Forwards Updated LER 82-008/03X-1	Forwards Updated LER 82-008/03X-1
05000317/LER-1982-009, Forwards LER 82-009/03L-0	Forwards LER 82-009/03L-0
05000318/LER-1982-009, Forwards LER 82-009/03L-0	Forwards LER 82-009/03L-0
05000318/LER-1982-009-03, /03L-0:on 820206 & 25,pressurizer Level Exceeded Tech Spec Requirements During Normal Startup Operations. Caused by Normal RCS Temp Swings.Investigation to Relax Limit Underway	/03L-0:on 820206 & 25,pressurizer Level Exceeded Tech Spec Requirements During Normal Startup Operations. Caused by Normal RCS Temp Swings.Investigation to Relax Limit Underway
05000317/LER-1982-009-03, /03L-0:on 820314,reactor Protection Sys Channel B Hi Power Thermal Margin/Low Pressure & Axial Shape Index Trip Units Bypassed Due to Th Input Failing Low.Caused by Failed Temp Transmitter 1-TT-112HB.Transmitter Replaced	/03L-0:on 820314,reactor Protection Sys Channel B Hi Power Thermal Margin/Low Pressure & Axial Shape Index Trip Units Bypassed Due to Th Input Failing Low.Caused by Failed Temp Transmitter 1-TT-112HB.Transmitter Replaced
05000317/LER-1982-010, Forwards LER 82-010/03L-0	Forwards LER 82-010/03L-0
05000317/LER-1982-010-03, /03L-0:on 820319,computer Failed Causing Loss of CEA Pulse Counting Sys & Incore Detection Sys.Caused by Defective Analog Multiplexer Card 1AM1.Card Replaced	/03L-0:on 820319,computer Failed Causing Loss of CEA Pulse Counting Sys & Incore Detection Sys.Caused by Defective Analog Multiplexer Card 1AM1.Card Replaced
05000318/LER-1982-010, Forwards LER 82-010/03L-0	Forwards LER 82-010/03L-0
05000318/LER-1982-010-03, /03L-0:on 820212,control Element Assembly CEA-19 Found Stuck in 8-inch Withdrawn Position Following Reactor Trip.Cause Unknown.Assembly Manually Freed After Plant Cooldown,Exercised & Drop Tested Satisfactorily	/03L-0:on 820212,control Element Assembly CEA-19 Found Stuck in 8-inch Withdrawn Position Following Reactor Trip.Cause Unknown.Assembly Manually Freed After Plant Cooldown,Exercised & Drop Tested Satisfactorily
05000318/LER-1982-011, Forwards Updated LER 82-011/03X-1	Forwards Updated LER 82-011/03X-1
05000318/LER-1982-011-03, Steam Generator Pressure Indicator PI-1023A Read High.Caused by Mechanically Binding Force Resulting in Calibr Problem.Force Motor on Pressure Transmitter PT-1023A Replaced	Steam Generator Pressure Indicator PI-1023A Read High.Caused by Mechanically Binding Force Resulting in Calibr Problem.Force Motor on Pressure Transmitter PT-1023A Replaced
05000317/LER-1982-011-03, /03L-0:on 820321,control Element Assembly 21 Dropped Into Core.Cause Not Determined.Electrical Test Results Forwarded to NSSS Supplier.Monthly Surveillance Test Procedure Being Revised	/03L-0:on 820321,control Element Assembly 21 Dropped Into Core.Cause Not Determined.Electrical Test Results Forwarded to NSSS Supplier.Monthly Surveillance Test Procedure Being Revised
05000317/LER-1982-011, Forwards LER 82-011/03L-0	Forwards LER 82-011/03L-0
05000318/LER-1982-012, Forwards Updated LER 82-012/03X-1	Forwards Updated LER 82-012/03X-1
05000317/LER-1982-012-03, /03L-0:on 820316,during Normal Operation,Capacity of Charging Pumps Was Below Min Required by Tech Specs. Caused by Deterioration of Bladders in Storage.Charging Pump 11 Vented & Returned to Svc	/03L-0:on 820316,during Normal Operation,Capacity of Charging Pumps Was Below Min Required by Tech Specs. Caused by Deterioration of Bladders in Storage.Charging Pump 11 Vented & Returned to Svc
05000317/LER-1982-012, Forwards LER 82-012/03L-0	Forwards LER 82-012/03L-0
05000318/LER-1982-012-03, Personnel Access Hatch Doors Opened Simultaneously.On 810307 & 09,inner Door Failed in Partially Open Position.Caused by Failed Airlock Mechanism Due to Broken Cam Follower.Overhaul Performed	Personnel Access Hatch Doors Opened Simultaneously.On 810307 & 09,inner Door Failed in Partially Open Position.Caused by Failed Airlock Mechanism Due to Broken Cam Follower.Overhaul Performed
05000318/LER-1982-013, Forwards LER 82-013/03L-0	Forwards LER 82-013/03L-0
05000317/LER-1982-013, Forwards LER 82-013/03L-0	Forwards LER 82-013/03L-0
05000318/LER-1982-013-03, /03L-0:on 820316,containment Bldg Spray Header 21 Inadvertently Isolated by Closing Valve 2-SI-315.Caused by Auxiliary Bldg Operator Error.Operator Counseled	/03L-0:on 820316,containment Bldg Spray Header 21 Inadvertently Isolated by Closing Valve 2-SI-315.Caused by Auxiliary Bldg Operator Error.Operator Counseled
05000317/LER-1982-013-03, /03L-0:on 820316,w/charging Pump 12 Out of Svc Awaiting Maint,Discharge Relief Valve of Charging Pump 13 Lifted & Remained Open,Rendering Pump Inoperable.Caused by Relief Valve Setpoint Drift.Test Will Be Conducted	/03L-0:on 820316,w/charging Pump 12 Out of Svc Awaiting Maint,Discharge Relief Valve of Charging Pump 13 Lifted & Remained Open,Rendering Pump Inoperable.Caused by Relief Valve Setpoint Drift.Test Will Be Conducted
... further results

05000317/LER-1982-077, Forwards LER 82-077/03L-0

text

Dear Mr. Haynes:

Navigation menu

Search