05000336/LER-1981-007-03, Diesel Generator 12U Oil Cooler Found Leaking Svc Water.Caused by Excessively Corroded Sacrificial Zinc Anode.Anode Replaced.Remaining Zincs Inspected & Replaced as Necessary

Diesel Generator 12U Oil Cooler Found Leaking Svc Water.Caused by Excessively Corroded Sacrificial Zinc Anode.Anode Replaced.Remaining Zincs Inspected & Replaced as Necessary

ML20003E958
Person / Time
Site:	Millstone
Issue date:	04/08/1981
From:	NORTHEAST NUCLEAR ENERGY CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20003E954	List:
References
LER-81-007-03L, LER-81-7-3L, NUDOCS 8104170555
Download: ML20003E958 (1)

LER-1981-007, Diesel Generator 12U Oil Cooler Found Leaking Svc Water.Caused by Excessively Corroded Sacrificial Zinc Anode.Anode Replaced.Remaining Zincs Inspected & Replaced as Necessary

Event date:
Report date:
3361981007R03 - NRC Website

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M L Dur.ing normal operation, the 12U Diesel Generator _.{.0LG) oi_1 cooler was found The leak was stopp'ed by isolating the service water to the leaking service water.

The plant was operated in accordance with T.S.A.S. 3.8.1.la for 7 hours8.101852e-5 days <br />0.00194 hours <br />1.157407e-5 weeks <br />2.6635e-6 months <br /> I

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No similar events have occurred.

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An excessively corroded sacrificial zinc anode had caused the leakage.

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