05000282/LER-1980-014-03, /03L-0:on 800410,during Surveillance Test,One Overpower Delta T Setpoint Was Found to Trip About 70% Above Desired Setpoint.Caused by Intermittent Capacitor.Capacitor Was Replaced

/03L-0:on 800410,during Surveillance Test,One Overpower Delta T Setpoint Was Found to Trip About 70% Above Desired Setpoint.Caused by Intermittent Capacitor.Capacitor Was Replaced

ML19309H597
Person / Time
Site:	Prairie Island
Issue date:	05/09/1980
From:	Hunstad A NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19309H590	List: 05000282/LER-1980-014, Forwards LER 80-014/03L-0 05000282/LER-1980-014-03, /03L-0:on 800410,during Surveillance Test,One Overpower Delta T Setpoint Was Found to Trip About 70% Above Desired Setpoint.Caused by Intermittent Capacitor.Capacitor Was Replaced
References
LER-80-014-03L, LER-80-14-3L, NUDOCS 8005130549
Download: ML19309H597 (1)

LER-1980-014, /03L-0:on 800410,during Surveillance Test,One Overpower Delta T Setpoint Was Found to Trip About 70% Above Desired Setpoint.Caused by Intermittent Capacitor.Capacitor Was Replaced

Event date:
Report date:
2821980014R03 - NRC Website

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8 80 81 DOCK ET NUM8E R 68 69 EVENT DATE 74 7S REPORT DATi 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h ITTT1 1 During surveillance test, one overpower delta T setpoint was found to trip about l

, 3 l 70% above the desired setpoint. Redundant channels were operable. This is the firstl o, l occurrence of a failure of this magnitudo and type.

Tech Spec Table 3.5-2 applies.

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