05000282/LER-1981-001-03, /03L-0:on 810112,while Performing Mod Work,Workman Accidentally Bumped Overspeed Trip Mechanism of Auxiliary Feedwater Pump,Tripping Valve & Making Pump Inoperable. Caused by Personnel Error.Valve Operator Reset

/03L-0:on 810112,while Performing Mod Work,Workman Accidentally Bumped Overspeed Trip Mechanism of Auxiliary Feedwater Pump,Tripping Valve & Making Pump Inoperable. Caused by Personnel Error.Valve Operator Reset

ML19345F621
Person / Time
Site:	Prairie Island
Issue date:	02/10/1981
From:	Hunstad A NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19345F617	List: 05000282/LER-1981-001, Forwards LER 81-001/03L-0 05000282/LER-1981-001-03, /03L-0:on 810112,while Performing Mod Work,Workman Accidentally Bumped Overspeed Trip Mechanism of Auxiliary Feedwater Pump,Tripping Valve & Making Pump Inoperable. Caused by Personnel Error.Valve Operator Reset
References
LER-81-001-03L, LER-81-1-3L, NUDOCS 8102180621
Download: ML19345F621 (1)

LER-1981-001, /03L-0:on 810112,while Performing Mod Work,Workman Accidentally Bumped Overspeed Trip Mechanism of Auxiliary Feedwater Pump,Tripping Valve & Making Pump Inoperable. Caused by Personnel Error.Valve Operator Reset

Event date:
Report date:
2821981001R03 - NRC Website

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0 EVENT DESCRIPTION ANO PROB ABLE CONSEOUENCES h l o I: } l 'T.ile perfor=ing piping modification work in th area of No. 11 Auxilian i

Feedwater Pt

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!ci3i 1 Io64l 1 the valve and making the pu=p inoperable for about 12 =inutes.

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(c i3; i annunciated in the control room. Recent similar event was RO 80-26.

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OAUSE DES R1PTION AND COR AECTIVE ACTIONS I

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