ML19345E939

LER 81-001/03L-0:on 810102,containment Spray Sys High Drywell Pressure Indicating Switch IP-15C Tripped Above Tech Spec Limits.Caused by Instrument Repeatability.Switch Reset & Study Examining Causes of Repeatability Undertaken

ML19345E939
Person / Time
Site:	Oyster Creek
Issue date:	01/30/1981
From:	Fitzgerald M JERSEY CENTRAL POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19345E935	List: ML19345E934 ML19345E939
References
LER-81-001-03L, LER-81-1-3L, NUDOCS 8102060450
Download: ML19345E939 (1)

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c ;; ; ; actuated at the desired setinint, so the safety significance of the l i c 6 a , I event is considered mini

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= 47 CAusE cEsCRIPT CN AND CCRRECTIVE ACTicNS h I i i o l l The cause was attributed to instrument receatability. The switch was 1 Iiiil ireset to trip within the Technical Soecifications limit of 2.0 osia, and I g l a study is presently being done examing possible setpoint chances to l g y [ account for this repeatability. 'Ihe POPC has also reccrmended replace- l i , ,, i l ment of these switches with a nore qualified nodel. l 7 8 9 83 rus  % Pow 1M QTHER STATUS s ERY DISCOVERY CESCmiPTION Ii i s I l.E j@ l 0l 9 l O l@l NA l lB I@l=; " Surveillance Test l T s , g ,,, cgg,,,, u n = = so l

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Michael J.'Fitzgerald PHON E:

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