05000311/LER-1980-027-03, /03L-0:on 800815,during Routine Operation, Auxiliary Feedwater Storage Tank Fell Below Min 200,000 Gallon Level.Caused by Throttling Inlet Valve Too Far During Makeup of Steam Generators.Level Restored

/03L-0:on 800815,during Routine Operation, Auxiliary Feedwater Storage Tank Fell Below Min 200,000 Gallon Level.Caused by Throttling Inlet Valve Too Far During Makeup of Steam Generators.Level Restored

ML18082B177
Person / Time
Site:	Salem
Issue date:	09/11/1980
From:	Murphy M Public Service Enterprise Group
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18082B176	List: 05000311/LER-1980-027, Forwards LER 80-027/03L-0 05000311/LER-1980-027-03, /03L-0:on 800815,during Routine Operation, Auxiliary Feedwater Storage Tank Fell Below Min 200,000 Gallon Level.Caused by Throttling Inlet Valve Too Far During Makeup of Steam Generators.Level Restored
References
LER-80-027-03L-01, LER-80-27-3L-1, NUDOCS 8009160482
Download: ML18082B177 (1)

LER-1980-027, /03L-0:on 800815,during Routine Operation, Auxiliary Feedwater Storage Tank Fell Below Min 200,000 Gallon Level.Caused by Throttling Inlet Valve Too Far During Makeup of Steam Generators.Level Restored

Event date:
Report date:
3111980027R03 - NRC Website

text

N RC l Ql I M.500 (7-77),

A LICENSEE EVENT REPORT CONTROL BLOCK: I.

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' (PLEASE PRINT OR TV.LL REQUIRED INFORMATION)

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I During routine operation, it was determined the Auxiliary Feedwater Storage Tank level fell below the minimum operating level of 200,000 gallons at 1349 hours0.0156 days <br />0.375 hours <br />0.00223 weeks <br />5.132945e-4 months <br /> and Action Statement 3.7.1.3 was entered (Docket 50-272, #7S-40).

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43 44 47 D::ill I The inlet*valve was throttled too far whiie making up water to the Steam Generators [JJJJ; from the tank, thereby causing the level to decrease too far.

The level was restored!

o::IIJ and the Action Statement was terminated at. 1421 hours0.0164 days <br />0.395 hours <br />0.00235 weeks <br />5.406905e-4 months <br />.

A memorandum was sent to all rII1J I. licensed operators to heighten their awareness of the narrow band of operation per-

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