ML19316A452

LER 78-002/03L-01:on 780118,reactor Protection Sys Channel D Flow Indication Found High.Caused by Transmitter Failure Due to Blown Gasket.Gasket Replaced & Leak Stopped.Transmitter Will Be Replaced Unless It Can Be Recalibr

ML19316A452
Person / Time
Site:	Oconee
Issue date:	02/28/1978
From:	Ken Wilson DUKE POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19316A426	List: ML19316A425 ML19316A434 ML19316A439 ML19316A441 ML19316A444 ML19316A452
References
LER-78-002-03L-01, LER-78-2-3L-1, NUDOCS 7912110719
Download: ML19316A452 (1)

Text

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<=4 EvtNT CATE 14 73 .E'CA T O AT E se EVENT CESCmPnCN AND PROS ASLE CCNSECUENCES h Q13J l During a performance test, RPS Channel 0 flow indication was found to be l FiTI'1 1 high and was taken out of service. The gasket on the transnitter was found I io,.j; to have failed and was replaced. However, internal damage has prevented its  ;

13tsii calibration. It will be replaced at the next outage. There were 3 operable ;

toisti channels at all t imos dur ine t'io incilent as required. Thtis , the health and I loirlI safet'v of the noblic were not af fected. I-t a is i l S . I CCS CO E $U C E COM8CNE*fT *006 SL E CO C E 34 E t, u tja lt

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CAusE CEsc.mirmCN ANQ CCRRECnVE AC ICNS h i,43; lThe transmitter failed due to a blown gasket and thereby caused the error in i t i ii i i flow indication.

The casket has been reolaced and the leak caused bv its I W lfailttre has been stnnned. Future c n r-oc t f in ,,*fnn 4ii h., en en,1 u,, e t, , . I g,,3i l transmitter unless it can be recalibrated.

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