05000324/LER-1981-047-03, /03L-0:on 810417,high Reactor Coolant Vessel Conductivity Was Discovered.Caused by Condenser Tube Plugs Isolating Tube Leaks Falling Out Due to Aging & Environ Conditions.Condenser Plugs Being Replaced

/03L-0:on 810417,high Reactor Coolant Vessel Conductivity Was Discovered.Caused by Condenser Tube Plugs Isolating Tube Leaks Falling Out Due to Aging & Environ Conditions.Condenser Plugs Being Replaced

ML19350D823
Person / Time
Site:	Brunswick
Issue date:	05/15/1981
From:	Pastva M CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19350D820	List: 05000324/LER-1981-047, Forwards LER 81-047/03L-0 05000324/LER-1981-047-03, /03L-0:on 810417,high Reactor Coolant Vessel Conductivity Was Discovered.Caused by Condenser Tube Plugs Isolating Tube Leaks Falling Out Due to Aging & Environ Conditions.Condenser Plugs Being Replaced
References
LER-81-047-03L, LER-81-47-3L, NUDOCS 8105190386
Download: ML19350D823 (1)

LER-1981-047, /03L-0:on 810417,high Reactor Coolant Vessel Conductivity Was Discovered.Caused by Condenser Tube Plugs Isolating Tube Leaks Falling Out Due to Aging & Environ Conditions.Condenser Plugs Being Replaced

Event date:
Report date:
3241981047R03 - NRC Website

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NRC F(fRQ M u. e. rwut,Lsan n zuve.m e un e s,ummeaseves LICENSEE EVENT REPORT

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8 61 DOCK ET Nuv8ER t8 63 EVENT QATE 74 TS REPORT DATE 40 EVENT OESCRIPTiON AND PROSA8LE CONSEQUENCES h o 2 lDurine a normal reactor startuo while oerformine routine reactor coolant annivsis_ fe f 2

[TTTl lwas discovered that reactor coolant conductivity was arcater than 2 umho/cm,

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remained > 2 tamho/cmf o 4 llowing startup and during normal load channes, vessel conductivity 2

ITTT1 Ifor 30.25 hours2.893519e-4 days <br />0.00694 hours <br />4.133598e-5 weeks <br />9.5125e-6 months <br /> with a maximum recorded value of 3.02 umho/cm. Several events of thisl O 6 Inature have occurred in the past on both units. This event did not affect the health l ITITl for safety of the public.

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i jfalling out due to acing and environ-onen1 enndicinne.

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[TTTl l restored using the RWCU System and additional condenenre ff1rarn.

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l problem in the future. all olues in the condenser are beine replaced with a better I

ITTTl Idesigned nlue durine the current outanes on both units.

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