ML19257D707

LER 79-103/03L-0:on 791230,during Mode 1 Operation,Plant Protection Sys B Log Power Failed Low.Caused by ex-core Channel B pre-amp failure.Pre-amp Replaced & Channel B Tested & Returned to Svc

ML19257D707
Person / Time
Site:	Arkansas Nuclear
Issue date:	01/29/1980
From:	Pendergraft R ARKANSAS POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19257D703	List: ML19257D702 ML19257D707 ML19257D708 ML19257D709
References
LER-79-103-03L, LER-79-103-3L, NUDOCS 8002050496
Download: ML19257D707 (1)

Text

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NRC F ORM 366 U. 5. NUC(E AR R EGUL ATORY COMMISSION O 77)

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3 8 M 61 DOCK ET huve ts to E\ ENT DAf t is FS HE POH T O A T E EVENT DESCRIPTION AND PRO 8 ABLE CONSEQUENCES h o 2 1 During Mode 1 operation the B PPS loc power failed low. The loc 1

!oi 3 I power trip was bvpassed on B channel and the start up channel was I o , i de en erg i:'ed . The remaining three channels were operable. There have n s i been no similar occurrences. Reportable Per Tech. Spec. 6.9.1.9(b) I o o i I o > l I o e l I S'5!'s" c '*i!

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