ML19340D711

LER 80-055/03L-0:on 801203,core Spray Sys High Drywell Pressure Switches RV-46B,RV-46C & RV-46D Tripped Above Tech Spec Levels.Caused by Instrument Repeatability.Switches Adjusted & Replacement Recommended

ML19340D711
Person / Time
Site:	Oyster Creek
Issue date:	12/22/1980
From:	Fitzgerald M JERSEY CENTRAL POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19340D708	List: ML19340D707 ML19340D711
References
LER-80-055-03L, LER-80-55-3L, NUDOCS 8101050204
Download: ML19340D711 (1)

Text

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14 i 2l2l2;8l0lg REPORT o ATE SQ i a so si occxf7NgueER es se EVENT cATE EVEN T DESCRIPTION AND PROSA8LE CCNSEQUENCES

' ___ i o i : I ! During' routine suneillance testing, Core Spray System high drywell  ;

b .I o i a 1 i pressure swi'tches W-46B, W-46C and W-46D were found to trip at values

, ,,,,,; greater than the 2.0 psig limit given in the Tech. Spec., Table 3.1.1, j 3 ,,,,; item D.2. The trip points for each were W-46P-2.14 psig, W-46C-2.11 g i C ie t i psig, and W-46D-2.05 psig. The safety sip ificance is considered mini-  ;

3 ; ;  ; mal due to the fact that switch W-46A would have inatiated the required ,

, , ,, , , Core Spray Systen functions at the desired setpoint. ,

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,, g i ; the PORC has recamended replacment of these type of switches.  ;

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68 69 Michael J. Fitzgerald (609) 693-6038 30. 5 PHONE: t NAME 08 **E8ARER i,,

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