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LER-1980-013, /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
Event date:
Report date:
	3481980013R03 - NRC Website
	v • d • e

/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
	ML19290E201
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-80-013-03L, LER-80-13-3L, NUDOCS 8003050055
	Download: ML19290E201 (2)
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.io EVENT DESCRIPTIOfJ AP.3 PRC9 ABLE CONECUE*.CES h a

21 ! At 1300 on 2/2/80, during the performance o f FNP-1-STP-40.3 (Safety Inj ection with l

LOSP Test with a Bubble in the Pressurizer), containment isolation valve 1-CCW-llV-3095l 0

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Tech. Spec. 3.6.3.1 action statement requirements were met.

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CAUSE DESCRIPTION AND CCR2ECTIVE ACTIONS

- 2o [The air operated valve failed to fully close due to the manual handwheel being slinht14 [cutside ", neutral position.

As a result o f the handwheel position, the valve was r-jmechanica ly stopped prior to being fully closed when air was removed from the valve l

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-,3 l operator.

The handwheel was repositioned and the test was successfully reperformed onl 12/7/80.

The handwheel mispositioning is considered to be an isolated incident.

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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

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