05000272/LER-1981-046-03, /03L-0:on 810512,required Cooling Water Flow Rate Not Obtained Resulting in Containment Fan Coil Unit 13 Stuck in Low Flow Position.Caused by Valve Stem Separated from Actuator Due to Cracked Trunnion Block Plug

/03L-0:on 810512,required Cooling Water Flow Rate Not Obtained Resulting in Containment Fan Coil Unit 13 Stuck in Low Flow Position.Caused by Valve Stem Separated from Actuator Due to Cracked Trunnion Block Plug

ML20004E766
Person / Time
Site:	Salem
Issue date:	06/08/1981
From:	Espey J Public Service Enterprise Group
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20004E765	List: 05000272/LER-1981-046, Forwards LER 81-046/03L-0.Detailed Event Analysis Encl 05000272/LER-1981-046-03, /03L-0:on 810512,required Cooling Water Flow Rate Not Obtained Resulting in Containment Fan Coil Unit 13 Stuck in Low Flow Position.Caused by Valve Stem Separated from Actuator Due to Cracked Trunnion Block Plug
References
LER-81-046-03L, LER-81-46-3L, NUDOCS 8106150219
Download: ML20004E766 (1)

LER-1981-046, /03L-0:on 810512,required Cooling Water Flow Rate Not Obtained Resulting in Containment Fan Coil Unit 13 Stuck in Low Flow Position.Caused by Valve Stem Separated from Actuator Due to Cracked Trunnion Block Plug

Event date:
Report date:
2721981046R03 - NRC Website

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1. E* ORT C, sT E 80 EVENT DESCRIPTION AND PROSASLE CONSEQUENCES h A l At 112o hours on May 12, 1981, Action Statement 3.6.2.3 was entered due to D5 TTI i13 containment ran coil Unit not being capable of a shift from low service water flow l Io i4 l lto high service water flow.

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CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h l i ; o l l Investigation disclosed that valve 13SW65 would not function due to the stem being l

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