ML20052H748

LER 82-029/03L-0:on 820402,investigation of Power Operated Relief Valve (PORV) & Pressurizer Code Safety Discharge Line High Temp Alarms Revealed Indications of Leakage for PORV NC-34.Cause Undetermined.Valve Will Be Repaired

ML20052H748
Person / Time
Site:	McGuire
Issue date:	05/06/1982
From:	Nardoci P DUKE POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20052H745	List: ML20052H744 ML20052H748
References
LER-82-029-03L, LER-82-29-3L, NUDOCS 8205210399
Download: ML20052H748 (1)

Text

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o 2 IWhile in mode 1, investination of PORV and pressurizer code safety discharge li_n,f r.m lhich tennerature alarms revealed indications of leakace for PORV NC-34 (the i g Ifaulty valve was identified by. closing PORV block valves and observing the effect G lon discharce line temperature indication). The valve was declared inoperable pert o e IT.S.1.4.5 which is reportable per T.S.6.9.1.13(b) and similar to previous RO#369(

o 7 l82-04. Rince the two remaininn PORVs are operable (as well as 3 pressurizer codel ITT."1 I s a fe r v valves), the health and safety of the public are unaffected. I E- E sS$Es consponentcooe su7co"de mEs o S IC l B j@ W@ IX l@ lV l AlL lV IEIXl@ lF l @ W e i. i, i. 32 ,. i, =

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LLla.JI Due to continued plant operation, inspection of the valve to determine the exactg g innture of component failure has not yet been possible. Per Technical Specifica ,

i 1einas, the PORV was isolated by closing and de-energizing its block valve (NC- g m l33). The PORV will be repaired during the June 18 to July 14 outage. g i . I i

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8205210399 820506 Nardoci , won g. (704) 373-7432 PDR ADOCK 05000369 S PDR '

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