05000327/LER-1981-093-03, /03L-0:on 810718,train 1 A-A Level Control Valve 1-LCV-3-164A Failed to Close While Supplying Steam Generator 1 W/Auxiliary Feedwater from Pump 1 A-A.Caused by Stripped Gears in Control Switch 1-HS-3-164-A.Switch Replaced

/03L-0:on 810718,train 1 A-A Level Control Valve 1-LCV-3-164A Failed to Close While Supplying Steam Generator 1 W/Auxiliary Feedwater from Pump 1 A-A.Caused by Stripped Gears in Control Switch 1-HS-3-164-A.Switch Replaced

ML20010C473
Person / Time
Site:	Sequoyah
Issue date:	08/14/1981
From:	Harding M, Wilkey A TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20010C471	List: 05000327/LER-1981-093, Forwards LER 81-093/03L-0 05000327/LER-1981-093-03, /03L-0:on 810718,train 1 A-A Level Control Valve 1-LCV-3-164A Failed to Close While Supplying Steam Generator 1 W/Auxiliary Feedwater from Pump 1 A-A.Caused by Stripped Gears in Control Switch 1-HS-3-164-A.Switch Replaced
References
LER-81-093-03L, LER-81-93-3L, NUDOCS 8108200114
Download: ML20010C473 (1)

LER-1981-093, /03L-0:on 810718,train 1 A-A Level Control Valve 1-LCV-3-164A Failed to Close While Supplying Steam Generator 1 W/Auxiliary Feedwater from Pump 1 A-A.Caused by Stripped Gears in Control Switch 1-HS-3-164-A.Switch Replaced

Event date:
Report date:
3271981093R03 - NRC Website

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l o 131 I unive 1-i.cV-1-164A failed to resnond nronerly while supolving S/G 1 with AFW'from l numn 1 A-A.

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li 121 l been stripped. The switch was replaced and the valve controls were verified to l

operate properiv. Train IA-A was declared operable at 1520'CDT on 7/19/81 g

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Unless this problem occurs again, no further action is planned.

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