05000369/LER-1981-124-03, /03L-0:on 810725 & 0726,two Steam Generators 1B & 1C Feedwater Containment Isolation Valves Declared Inoperable.Caused by Loss of Pressure Due to Small Nitrogen Leaks Around Fittings.Valves Modified

/03L-0:on 810725 & 0726,two Steam Generators 1B & 1C Feedwater Containment Isolation Valves Declared Inoperable.Caused by Loss of Pressure Due to Small Nitrogen Leaks Around Fittings.Valves Modified

ML20010E814
Person / Time
Site:	McGuire
Issue date:	08/24/1981
From:	Nardoci P DUKE POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20010E812	List: 05000369/LER-1981-124-03, /03L-0:on 810725 & 0726,two Steam Generators 1B & 1C Feedwater Containment Isolation Valves Declared Inoperable.Caused by Loss of Pressure Due to Small Nitrogen Leaks Around Fittings.Valves Modified
References
LER-81-124-03L, LER-81-124-3L, NUDOCS 8109080283
Download: ML20010E814 (1)

LER-1981-124, /03L-0:on 810725 & 0726,two Steam Generators 1B & 1C Feedwater Containment Isolation Valves Declared Inoperable.Caused by Loss of Pressure Due to Small Nitrogen Leaks Around Fittings.Valves Modified

Event date:
Report date:
3691981124R03 - NRC Website

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, were declared inoperable (one on 7/25/81, another on 7/26/81) in order to re-io..,I pair nitrogen leaks from the tanks and va hes, and recharge the nitrogen accum-I ulators. This violates T.S. 3.6.3. which is reportable per T.S. 6.9.1.13(b)

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io,,il and is similar to previou's R.O. #369/81-54. Since the valves were closed in order to maintain containment integrity before work on~them was begun, the

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lieaiIThe N, Accumulators of both valves were losing pressure due to leaks around ther

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