05000282/LER-1981-003-03, /03L-0:on 810316,during Surveillance Test,Steam Exclusion Damper Actuation Setpoint Exceeded Limit.Caused by Foxboro Model 63U-CC-OHDR-F 6 Bistable Drift.Instrument Recalibr & Tested Satisfactorily

/03L-0:on 810316,during Surveillance Test,Steam Exclusion Damper Actuation Setpoint Exceeded Limit.Caused by Foxboro Model 63U-CC-OHDR-F 6 Bistable Drift.Instrument Recalibr & Tested Satisfactorily

ML20003F486
Person / Time
Site:	Prairie Island
Issue date:	04/14/1981
From:	Hunstad A NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20003F482	List: 05000282/LER-1981-003, Forwards LER 81-003/03L-0 05000282/LER-1981-003-03, /03L-0:on 810316,during Surveillance Test,Steam Exclusion Damper Actuation Setpoint Exceeded Limit.Caused by Foxboro Model 63U-CC-OHDR-F 6 Bistable Drift.Instrument Recalibr & Tested Satisfactorily
References
LER-81-003-03L, LER-81-3-3L, NUDOCS 8104210375
Download: ML20003F486 (1)

LER-1981-003, /03L-0:on 810316,during Surveillance Test,Steam Exclusion Damper Actuation Setpoint Exceeded Limit.Caused by Foxboro Model 63U-CC-OHDR-F 6 Bistable Drift.Instrument Recalibr & Tested Satisfactorily

Event date:
Report date:
2821981003R03 - NRC Website

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60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h

,Iol2l lDuring surveillance test, onb steam exclusion damner actuation setpoint was found l

lOl3l 10.4F above the limit of 120F. No ef fect on public health or safety since redundant 1

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