05000306/LER-1980-016-03, /03L-0:on 800529,during Instrument Calibr, Instrument Was Dropped on Trip Throttle Valve Linkage, Tripping Valve & Making Pump Inoperable for 3 Minutes. Caused by Personnel Error

/03L-0:on 800529,during Instrument Calibr, Instrument Was Dropped on Trip Throttle Valve Linkage, Tripping Valve & Making Pump Inoperable for 3 Minutes. Caused by Personnel Error

ML19318C494
Person / Time
Site:	Prairie Island
Issue date:	06/27/1980
From:	Hunstad A NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19318C485	List: 05000306/LER-1980-016, Forwards LER 80-016/03L-0 05000306/LER-1980-016-03, /03L-0:on 800529,during Instrument Calibr, Instrument Was Dropped on Trip Throttle Valve Linkage, Tripping Valve & Making Pump Inoperable for 3 Minutes. Caused by Personnel Error
References
LER-80-016-03L, LER-80-16-3L, NUDOCS 8007010529
Download: ML19318C494 (1)

LER-1980-016, /03L-0:on 800529,during Instrument Calibr, Instrument Was Dropped on Trip Throttle Valve Linkage, Tripping Valve & Making Pump Inoperable for 3 Minutes. Caused by Personnel Error

Event date:
Report date:
3061980016R03 - NRC Website

text

(7-77) y LICENSEE EVENT REPORT v

CONTROL BLOCK: l l

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60 61 DOCKET NUM8ER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT OESCRIPTION AND PROBABLE CONSEQUENCES h [OTTl l While performing an instrument calibration in the area of No. 22 Auxiliary 1

10 l 3 l l Feedwater Pump, an I & C specialist dropped an instrument on the trio throttle valve l 10 l4 l l linkage, tripping the valve and makinn the numn inoperabl~e for three eninutes.

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IOisl I event was annunciate L in the control room since the Desian Channe referenced in 1

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