05000336/LER-1981-021-03, /03L-0:on 810612,w/plant at 100% Power,A & B Charging Pumps Were Declared Inoperable.Caused by Incorrect Installation of Suction & Discharge Seal Cylinder Assembly Flushing Nipple Blank Flanges.Mods Made

/03L-0:on 810612,w/plant at 100% Power,A & B Charging Pumps Were Declared Inoperable.Caused by Incorrect Installation of Suction & Discharge Seal Cylinder Assembly Flushing Nipple Blank Flanges.Mods Made

ML20009A457
Person / Time
Site:	Millstone
Issue date:	07/02/1981
From:	Criscione J NORTHEAST NUCLEAR ENERGY CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20009A456	List: 05000336/LER-1981-021, Forwards LER 81-021/03L-0.Detailed Event Analysis Encl 05000336/LER-1981-021-03, /03L-0:on 810612,w/plant at 100% Power,A & B Charging Pumps Were Declared Inoperable.Caused by Incorrect Installation of Suction & Discharge Seal Cylinder Assembly Flushing Nipple Blank Flanges.Mods Made
References
LER-81-021-03L, LER-81-21-3L, NUDOCS 8107130160
Download: ML20009A457 (1)

LER-1981-021, /03L-0:on 810612,w/plant at 100% Power,A & B Charging Pumps Were Declared Inoperable.Caused by Incorrect Installation of Suction & Discharge Seal Cylinder Assembly Flushing Nipple Blank Flanges.Mods Made

Event date:
Report date:
3361981021R03 - NRC Website

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With the plant at 100 percent power level, the "A" and "B" charging pumps were 10131 I declared inoperable when it was discovered that flushing connection. blank

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ga #3 l flanges were incorrectly installed on both pumps. The "C" charging pump was

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lo lol I verified operable and the plant operated in accordance with Technical Specification l

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