ML19340D587

LER 80-028/01T-0:on 801203,HPCI Steam Supply Valve, MO-3-23-14,failed to Fully Close.Caused by HPCI Sys Being Inoperable for Valve Insp.Valve Reassembled & Tested

ML19340D587
Person / Time
Site:	Peach Bottom
Issue date:	12/17/1980
From:	Cooney M PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19340D583	List: ML19340D582 ML19340D587
References
LER-80-028-01T, LER-80-28-1T, NUDOCS 8012310323
Download: ML19340D587 (1)

Text

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EVENT DESCRIPTION AND pro 8ABLE con 3EQUENCES h l o f 2I l During testing on December 1,1980, the HPCI steam supply valv , I o i3 l l MO-3-23-1L, failed to fully close. Subsequent stroking of the valve was l O i4 I I successful. EPCI was taken out of service on December 3 for an inspec- I o is1 I tion of the valve and was returned to service on December 6. All other l

, o Ic I l ECCS systems and the ROIC systeEa were operable during the veriod of I o_6JJ l salve inoperability. Previous occum ence was LER 3-80-27/1T. >!

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1 1oll This event was caused by the EPCI system being inoperable for the valve l i1iil inspection. After the valve failed to fully close during testing, it I i

,#2l l was disassembled, inspected, reassembled, and successfully tested. l

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