05000328/LER-1983-051-03, /03L-0:on 830401,safety Injection Sys Boron Injection Tank Inlet Shutoff Valve 2-FCV-63-40 Would Not Operate.Caused by Dirty Motor Starter Contactors.Contactors Cleaned & Screw Connections Tightened

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/03L-0:on 830401,safety Injection Sys Boron Injection Tank Inlet Shutoff Valve 2-FCV-63-40 Would Not Operate.Caused by Dirty Motor Starter Contactors.Contactors Cleaned & Screw Connections Tightened
ML20023B595
Person / Time
Site: Sequoyah Tennessee Valley Authority icon.png
Issue date: 04/29/1983
From: Carver A, Harding M
TENNESSEE VALLEY AUTHORITY
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20023B590 List:
References
LER-83-051-03L, LER-83-51-3L, NUDOCS 8305050217
Download: ML20023B595 (1)


LER-1983-051, /03L-0:on 830401,safety Injection Sys Boron Injection Tank Inlet Shutoff Valve 2-FCV-63-40 Would Not Operate.Caused by Dirty Motor Starter Contactors.Contactors Cleaned & Screw Connections Tightened
Event date:
Report date:
3281983051R03 - NRC Website

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During the perfctmance of surveillance instruction.

[o 121 l (SI) -166.1, it was discovered that a safety injection system boron injection lo i4 l l tank inlet shutof f valve ( 2-FCV-63-40) would not' operate. This event r'equired 10isi I entry.into LCO 3'5.2.e aceton 'a'.

There was no effect upon public health or..

o i s I l'~7afety.

Previous occurrences - none.

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43 44 CAUSE CESCRIPTIOff AND CONNECTIVE ACTIONS h lilo l l Tt'is suspected that the motor starter to the valve operator had dirty contactors

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.the valve was stroked and tested satisfactorily following this maintenance.. The g,,,y[

valve was declared operable within two hours of event discovery. No further' s

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