ML19340D720

LER 80-057/03L-0:on 801205,containment Spray High Drywell Pressure Switches IP15A,B,C & D Tripped Above Tech Spec Levels During Surveillance Testing.Caused by Instrument Repeatability.Switches Adjusted

ML19340D720
Person / Time
Site:	Oyster Creek
Issue date:	12/23/1980
From:	Crosby P JERSEY CENTRAL POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19340D717	List: ML19340D716 ML19340D720
References
LER-80-057-03L, LER-80-57-3L, NUDOCS 8101050219
Download: ML19340D720 (1)

Text

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NMC.FCC M 268

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U, S. NUCLEA3 KE!ULATCQY COMMISSION (7.r71

• LICENSEE EVENT REPORT

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REPORT O ATE 80 F 4 60 el DCCKET NLMS ER EVGNT QATE EvEN r ossCRIPTION AND PRCSASLE CCNSEQUENCES h i e 1 : t ! During normal plant operation the containment spray hich drwell I i o i 21 l pressure switches tripped at a value greater than that specified in T.S. I 1o 64; l Table 3.1.1, itan E.1 during surveillance testing. The as-found trip l

( [o ;5i  ; point for switch IP15A was 2.2 psig; IP15B was 2.24; IP15C was 2.14 and l l c !e ! i IP15D was 2.06 psig. The desired setpoint is 2.0 psig maximum. The safety I i c ; , ; significance was minimal since the switches would have actuated but at a l

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42 42 44 47 l 22 24 23 l CAUSE DESCRI'TICN AND COARECTtVE ACTIONS 27 i ,,,,,;The cause is attributed to instrument repeatability. The switches were  ;

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