05000219/LER-1980-041, Forwards LER 80-041/03L-0

Forwards LER 80-041/03L-0

ML19338F059
Person / Time
Site:	Oyster Creek
Issue date:	10/01/1980
From:	Finfrock I JERSEY CENTRAL POWER & LIGHT CO.
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19338F060	List: 05000219/LER-1980-041, Forwards LER 80-041/03L-0 05000219/LER-1980-041-03, /03L-0:on 800905,core Spray Sys 2 Was Removed from Svc to Repair Leaking Vent Line on Core Spray Booster Pump D.Caused by Personnel Using Pipe as Foot Hold.Pipe Nipple Replaced & Sys Returned to Svc
References
NUDOCS 8010070476
Download: ML19338F059 (3)

LER-1980-041, Forwards LER 80-041/03L-0

Event date:
Report date:
2191980041R00 - NRC Website

text

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Mr. Boyce H. Grier, DirecLor No.

3-80-23/3L-0 Office of Inspection & Enforcement, Regiori i U.S. HuClear Regulatory Commission 631 Park Avenue King of Prussia, PA 1 %06 gg;/gC7 ff&

Dear Mr. Grier:

Thic LER concerna the failure of a reactor water clcanup cyctem temperature indicating switch to perform properly. The coverning Technical Specification ic 3 2.A.

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U. S. NUCLEAR REGULATORY COMMISSION LICENSEE EVENT REPORT CONTROL BLOCK: I l

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lh (PLE ASE PRINT OR TYPE ALL REQUIRED INFORMATIONI I

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Ig S 9 LICENSEE CODE 14 15 LICENSE NUMdEH 25 26 LICENSE TYPE JU b l L A T bd CON'T lolil

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EVENT DESCRIPTION AND PROB ABLE CONSEQUENCES h I

l o 121 [_ During surveillance testing with the unit at full power, the RWCU demin ioj3; l water inlet temperature switch did not function properly. The cwitch, 1

n ;4 j l according to Tech Spec 3 2. A, is required to isolate the RWCU system l

when the temperature reachec 200 F (switch was found to be approximately

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,n33j l 2$0 F). A review of plant chemistry records for the reriod of possible I

0 (o ;,3 j g jo;yj l nwitch inoperability revealed no unexpected trends in reactor water i

conductivity.

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C DE CODE SUSC E COMPONENT CODE SUSC D'E S

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SE QUE NTI AL OCcunHLNCE HEPOnT REVISION fR EVENT YE AR REPOH T NO.

CODE TYPE N O.

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10131 lLi 1-1 101 g

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40 41 42 43 44 47 33 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h [Fl o l l The cause of the event was setpoint drift of the Fenwal Model 56100-2 I

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temperature indicating switch. The switch was recalibrated and the I

surveillance test was catisfactorily performed.

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% POWER OTHER STATUS ISCO DISCOVERY DESCRIPTION l

LLLsJ LE_j@ l 1 l 0 l 0 l@l N/A l

l Bl@l Surveillance Testing

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