05000327/LER-1980-128-03, /03L-0:on 800701,during Preoperational Testing, Boron Injection Tank Concentration Found Out of Spec.Cause Under Investigation.Proper Concentration Restored

/03L-0:on 800701,during Preoperational Testing, Boron Injection Tank Concentration Found Out of Spec.Cause Under Investigation.Proper Concentration Restored

ML19331C760
Person / Time
Site:	Sequoyah
Issue date:	08/13/1980
From:	Coots L TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19331C699	List: 05000327/LER-1980-128, Forwards LER 80-128/03L-0 05000327/LER-1980-128-03, /03L-0:on 800701,during Preoperational Testing, Boron Injection Tank Concentration Found Out of Spec.Cause Under Investigation.Proper Concentration Restored
References
LER-80-128-03L, LER-80-128-3L, NUDOCS 8008190497
Download: ML19331C760 (1)

LER-1980-128, /03L-0:on 800701,during Preoperational Testing, Boron Injection Tank Concentration Found Out of Spec.Cause Under Investigation.Proper Concentration Restored

Event date:
Report date:
3271980128R03 - NRC Website

text

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"7D LICENSEE EVliNT REPORT 2

CONhROIIOLOCK: l l

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_8 60 St DOCitET NUYOEM 68 69 EVENT oATE 74 26 REPoRToATE 80 EVENT DESCRIPTION AND PROBA8LE CONSEOUENCES h l o 12 l l During Preop testing with unit 1 in mode 3. RCS at 2235 psig and 547 degrees r the l

l o t a l I shif t chemist reportied BIT concentration to be 19,747 ppm which is contrary to LCO l

goge; l 3.5.4 1.

Review of surveillance data revealed that the concentration had been lower l

l on 6/26/80 at 0815. Previcus occurrence - 1, ref. LER No. - 80112. Probable conse-l o.,

l quences - None, as the RCS was borated to >/=2200 ppm on both occasions.

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CAUSE DESCRIPTION AND CORRECTIVE ACTIONS I1Ioll BIT concentration was returned to specifications in </= 3 hours3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br /> on both occasions.

I i i i Investigation into root cause is continuing and results shall be reported when avail- :

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