05000348/LER-1980-011-03, /03L-0:on 800202,during Safety Injection W/Loss of Sys Pressure Test W/Bubble in Pressurizer,Containment Isolation Valve 1-SW-MOV-3134 Failed to Close Fully.Caused by Motor Control Ctr Breaker Thermal Overload Trip

/03L-0:on 800202,during Safety Injection W/Loss of Sys Pressure Test W/Bubble in Pressurizer,Containment Isolation Valve 1-SW-MOV-3134 Failed to Close Fully.Caused by Motor Control Ctr Breaker Thermal Overload Trip

ML19290E197
Person / Time
Site:	Farley
Issue date:	02/29/1980
From:	Hairston W ALABAMA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19290E176	List: 05000348/LER-1980-007-03, /03L-0:on 800202,during Train B Diesel Generator Loss of Sys Pressure Test,Svc Water Pump 1D Failed to Auto Start & Would Not Manually Start.Caused by Test Equipment Short Circuiting Sequencer Relay Contacts.Equipment Remove 05000348/LER-1980-009-03, /03L-0:on 800201,during Loss of Offsite Power Surveillance Test,Output Breaker for Diesel Generator 1B Failed to Auto Close.Caused by Misaligned Mechanism Operated Contact Switch.Switch Realigned 05000348/LER-1980-010-03, /03L-0:on 800201,during Train a Diesel Generator Loss of Sys Pressure Test,Flow Control Valves Failed to Open Automatically on Pump Auto Start.Caused by Misaligned Mechanism Operated Contact Switch.Switch Realigned 05000348/LER-1980-011-03, /03L-0:on 800202,during Safety Injection W/Loss of Sys Pressure Test W/Bubble in Pressurizer,Containment Isolation Valve 1-SW-MOV-3134 Failed to Close Fully.Caused by Motor Control Ctr Breaker Thermal Overload Trip 05000348/LER-1980-012-03, /03L-0:on 800201,during a Train Loss of Offsite Power test,1B Component Cooling Water Pump Failed to Auto Start.Caused by Improper Positioning of 1C CCW Pump Handswitch.Switch Correctly Positioned & Test Completed 05000348/LER-1980-013-03, /03L-0:on 800202,during Safety Injection W/Loss of Sys Pressure Test W/Bubble in Pressurizer,Containment Isolation Valve 1-CCW-HV-3095 Did Not Fully Close.Caused by Handwheel Outside Neutral Position.Handwheel Adjusted 05000348/LER-1980-014-03, /03L-0:on 800214,while Testing Control Grade Auto Start Feature,A & B Mdaf Pumps Failed to Auto Start on Loss of Main Feedwater Pump Test Signal.Caused by Inadequate Design Change Control.Design Review Strengthened ML19290E175
References
LER-80-011-03L, LER-80-11-3L, NUDOCS 8003050040
Download: ML19290E197 (1)

LER-1980-011, /03L-0:on 800202,during Safety Injection W/Loss of Sys Pressure Test W/Bubble in Pressurizer,Containment Isolation Valve 1-SW-MOV-3134 Failed to Close Fully.Caused by Motor Control Ctr Breaker Thermal Overload Trip

Event date:
Report date:
3481980011R03 - NRC Website

text

NRC FORM 366 U. S. NUCLE AR REGULATORY COMMISSION (7 77)

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