ML19263C525

LER 79-005/03L-0 on 790118:at Power,Routine Surveillance Test Revealed Setpoint of DPIS-2-14-43B Was Below Tech Spec Min.Caused by Instrument DPIS-2-14-43B Being Out of Calibr Due to Setpoint Drift

ML19263C525
Person / Time
Site:	Peach Bottom
Issue date:	02/16/1979
From:	Cooney M PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
LER-79-005-03L, LER-79-5-3L, NUDOCS 7902260404
Download: ML19263C525 (1)

Text

i Mr. Booc H. Grier, D irec tor  %  ?-79-5/jL

, Office of In' pc t t iain & Enf or( cwn t . R eg o .o I j U.3. Nuc le ar Regu l a tory Cormi s s i.in 631 Park A<cnue King of Pruv.ia, PA 19W Cc at r.r . Grice:

l This L.E.R. refers to the trip setpoint drift of LPIS-2-1h-h3B beyond Technical Specification limits set forth in Table 3.2.B.

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' I khile at PQwer, a rntintjuneil_13rniest revealed _the_setroint_of f 3i I LPIS-2-1h-h3B was_,,.].0 raid, which is below the Technical Specification  !

i i4 I Limit of 5t/-1 5 ; sid in Table J.2.3. The switch ac_tua_tes an alarm that I

' is I indicates a core spray sparger pipe break. Safety significance was l

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