Pages that link to "05000368/LER-1978-010, Forwards LER 78-010/01T-0"
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The following pages link to 05000368/LER-1978-010, Forwards LER 78-010/01T-0:
Displaying 50 items.
- ML19263D323 (← links)
- ML20064F092 (redirect page) (← links)
- 05000368/LER-1978-003, Forwards LER 78-003/03L-0 (← links)
- 05000313/LER-1978-028, Forwards LER 78-028/03L-0 (← links)
- 05000313/LER-1978-024-03, /03L-0:on 780916,control Rod Driveline Breaker a Failed to Trip Upon Reactor Trip.Cause Not Given.Breaker Tripped Manually.Minor Adjustments Made to Breaker.Breaker Subsequently Tested Successfully (← links)
- 05000313/LER-1978-023-01, /01T-0:on 780925,during Surveillance Test,Control Rod Driveline Breaker a Failed to Trip on First Attempt. Caused by Trip Mechanism Mechanical Arm Being Out of Adjustment.Arm Adjustment Corrected (← links)
- 05000313/LER-1978-027-03, /03L-0:on 780926,condensate Storage Tank Level Dropped Below Min Tech Spec Level.Caused by Abnormally High Condensate Demand Due to Simultaneous Rinsing of Polisher & Makeup Plant Plus Makeup to Hotwell (← links)
- 05000313/LER-1978-026-03, /03L-0:on 780926,normal Borated Water Storage Tank Chemical Sample Showed Boron Concentration Below Tech Spec Limits.Cause Not Given.Concentration Raised to Tech Spec Requirements (← links)
- 05000313/LER-1978-025-03, /03L-0:on 780917,control Rod Index Reached Restricted Zone W/Worst Case Condition at 171% Withdrawn at 90% Power.Caused by Miscalculated Boron Addition to Rcs. Acceptable Rod Positions Obtained within 2 H (← links)
- 05000313/LER-1978-028-03, /03L-0:on 780929,leak Developed in Casing Drain Line from Discharge of Makeup Pump P36C Upstream of Valve ABD-9C.Caused by Crack in Pipe Nipple Threaded Into Pump Casing Due to Apparent Overstressing in Installation (← links)
- 05000313/LER-1978-030-03, /03L-0:on 781121,borated Water Storage Tank Boron Concentration Fell Below Tech Specs Limit.Caused by Open Condensate Valve CS-38.Valve Closed Increasing Boron Concentration (← links)
- 05000313/LER-1978-030, Forwards LER 78-030/03L-0 (← links)
- 05000368/LER-1978-026-03, /03L-0 on 781216:during Normal Testing 2CV-1039-2 Failed to Operate from Control Room,Rendering Emergency Feedwater Pump 2P7A Inoperable.Failure Located in Solid State Relay Actuating 2CV-1039-2 (← links)
- 05000368/LER-1978-025-03, /03L-0 on 781214:during Low Power Physics Testing, Ceac 1 Rendered Inoperable.Caused by Accidental Shorting of Leads to Common During Calibr of digitial-to-analog Converters in Core Protection Computer Channel B (← links)
- 05000368/LER-1978-024-03, /03L-0 on 781214:barrel Test on Emergency Escape Hatch 2C4 & Personnel Hatch 2C2 Not Performed as Scheduled. Caused by Scheduling Error Due to Responsibility Change of Supervisors.Test Completed on 781215 (← links)
- 05000368/LER-1978-016-03, /03L-0 on 781109:during Mode 3 Oper,Emergency Diesel Generator B Tripped from 100% Load.Caused by Damage to Rod & Main Bearings,Crankshaft & Pistons,Perhaps Due to Loose Baseplate Mounting Screw (← links)
- 05000368/LER-1978-016, Forwards LER 78-016/03L-0 (← links)
- 05000368/LER-1978-019-03, /03L-0 on 781129:Chilled Water Return Containment Isolation valve,2CV3850-2,was Taken Out of Svc to Repair Control Room Communication Breaker Contacts.Breaker Was Changed to Type AB Contacts (← links)
- 05000368/LER-1978-018-03, /03L-0 on 781128:both Doors of the Personnel Hatch Doors Were Simultaneously Opened,Caused by a Sheared Mechanical Door Interrlock Gear Key.Mechanical Interlock Repairs Made & Containment Air Lock Declared Operable (← links)
- 05000368/LER-1978-018, Forwards LER 78-018/03L-0 & 78-019/03l-0 (← links)
- 05000368/LER-1978-017, Forwards LER 78-017/01T-0 & RO 50-368/78-17 (← links)
- 05000368/LER-1978-010-01, /01T-0 on 781102:during Post-Core Hot Functional Test,Prior to Initial Criticality Mode 3 Oper,Lift Setpoints of Main Steam Line Code Safety Valves Were Nonconservative. Caused by Incorrect Identification of Simmer Point (← links)
- 05000368/LER-1978-010 (redirect page) (← links)
- 05000368/LER-1978-015-01, /01T-0 on 781108:technician Installed Replacement Speed Switch in B Emergency Diesel Generator W/O Having Job Order Approved by Shift Supervisor.Due to Forgetfulness of Instru Technician (← links)
- 05000368/LER-1978-014-01, /01T-0 on 781107:during Mode 3 Oper,Noted That First Cycle Plant Protec Sys Setpoint Changes Req by Rosemont Pressure Transmitter Substitution Were Less than Conservative.Caused by Failure to Change Setpoint (← links)
- 05000368/LER-1978-013-01, /01T-0 on 781107:received Notice That Speed Switch Made by Dynalog Corp Had Design Problem That Could Cause Failure.Speed Switch Replaced (← links)
- 05000368/LER-1978-012-03, /03L-0 on 781107:during Post-Core Hot Functional Testing B Condensate Storage Tank Dropped Below Tech Spec Minimum.Caused by Inability of Makeup Plants to Produce High Demand for Condensate (← links)
- 05000368/LER-1978-012, Forwards LER 78-012/03L-0, 78-013/01T-0, 78-014/01T-0 & 78-015/01L-0 (← links)
- 05000368/LER-1978-009-03, /03L-0 on 781006:during Post-Core Hot Functional Test,Prior to Initial Criticality,Mode 3 Oper,Emergency Feedwater Valve 2CV-1025-1,hydraulic Pump Motor Failed. Motor Was Replaced & Tested Successfully (← links)
- 05000368/LER-1978-009, Forwards LER 78-009/03L-0 (← links)
- 05000368/LER-1978-008-03, /03L-0 on 781005:During Post-Core Hot Functional Testing,Pressurizer Code Safety Valve Was Gagged to Eliminate Weepage.Weepage Occurred Following Corrective Maintenance.Valve Was Allowed to Cool & Proper Oper Proved (← links)
- 05000368/LER-1978-008, Forwards LER 78-008/03L-0 (← links)
- 05000368/LER-1978-007-03, /03L-0:on 780917,RCS Chloride Concentration Reduced to Less than 0.15ppm.Engineering Evaluation Determined Condition Should Have No Effect on Structural Integrity of RCS Based on out-of-limit Condition (← links)
- 05000368/LER-1978-005-03, /03L-0:on 780916,during Mode 3 Operation Prior to Initial Criticality,Onsite AC Power Distribution Sys Deenergized.Caused by Bus Feeder Breakers Tripping on Low Voltage Due to Overloading.Setpoints Adjusted (← links)
- 05000368/LER-1978-004-03, /03L-0:on 780916,during Mode 3 Operation,Prior to Initial Criticality,Autotransformer Tripped from Timed Overcurrent.Caused by Feeding Both Unit Auxiliary Loads After Unit 1 Reactor Trip.Overcurrent Adjusted (← links)
- 05000368/LER-1978-003-03, /03L-0:on 780912,during Mode 3 Operation,Cst B Level Dropped to Less than 80% W/Cst a at About 10%.Caused by Inability of Makeup Tank to Produce Enough Quality Water to Maintain Level (← links)
- 05000368/LER-1978-006-03, /03L-0:on 780916,during Mode 3,prior to Initial Criticality,Raw Water Tank Level Dropped Below Tech Specs. Caused by ECCS Actuation Due to Loss of Relay Power to ECCS Components & Inverter Failure.Tank Level Increased (← links)
- 05000368/LER-1978-002-01, /01T-0 on 780920:during Inspec,Discovered That Valves Had an Interference Between Valve Gate & Gate Guide. Caused by Design Problem Which Could Prevent Complete Valve Closure.Valves Returned to Manufacturer for Repairs (← links)
- 05000368/LER-1978-002, Forwards LER 78-002/01T-0 (← links)
- 05000313/LER-1978-008-03, /03L-0:on 780320,turbocharger for Diesel Generator 2 Caught Fire.Caused by Bearing Failure Between Air Inlet & Exhaust Turbine Bladings.Turbocharger Replaced (← links)
- 05000313/LER-1978-008, Forwards LER 78-008/03L-0 (← links)
- 05000313/LER-1978-007-03, /03L-0:on 780308,ventilation Dampers Failed to Seal Properly After Actuation.Caused by Sticky Air Supply Sys.Bladder Pressure Gauges Replaced & Air Supply re-adjusted (← links)
- 05000313/LER-1978-006-03, /03L-0:on 780305,studs on Lower Steam Generator Primary Manway Cover Sheared Off.Caused by Crack of 90% of Stud Diameter.Studs Ultrasonically Checked for Cracks & One Removed (← links)
- 05000313/LER-1978-005-03, /03L-0:on 780302,steam Generator Tube Indications Exceeded Plugging Limit on 40% of Nominal Wall Thickness. Caused by Defect Near Upper Tube Sheet.Tubes Plugged (← links)
- 05000313/LER-1978-004-03, /03L-1:on 780211,four Hydraulic Shock Suppressors Found Inoperable.Caused by Maladjustment,Corrosion & Metal Shavings in Valves.All 69 Suppressors Tested;One Had No Deficiency.Deficient Suppressors Repaired or Replaced (← links)
- 05000313/LER-1978-004, Forwards LER 78-004/03L-1 (← links)
- 05000313/LER-1978-001-04, /04L-0:during Fourth Quarter 1977,average Noble Gas Release Rate Exceeded Max Allowable Rate During Outage. Results Possibly False Due to Airborne Radioactivity in Counting Lab.Monitoring Sys Design Being Reviewed (← links)
- 05000313/LER-1978-001, Forwards LER 78-001/04L-0 (← links)
- 05000313/LER-1978-001-01, /01T-0:on 780105,during Soluble Boron Shutdown Analysis for Another B&W Facility,Boric Acid Vol Deficiency Found.Caused by Change to Tech Specs W/O Changing Calculated Vol Requirement.Cycle 3 Tech Specs to Be Changed Soon (← links)
- 05000313/LER-1978-003-03, /03L-0:on 780203,mist Spray from Reactor Coolant Pump Seal Leak Contaminated Reactor Bldg Areas.Cause Unknown.Leak Isolated & Bldg Areas Decontaminated (← links)