05000361/LER-1982-163-03, /03L-0:on 821208,during Mode 1, Auxiliary Feedwater Pump 2P-140 Tripped on Overspeed.Caused by Failure of Resistor in Pump Speed Sensor Circuitry. Resistor Replaced

/03L-0:on 821208,during Mode 1, Auxiliary Feedwater Pump 2P-140 Tripped on Overspeed.Caused by Failure of Resistor in Pump Speed Sensor Circuitry. Resistor Replaced

ML20028D898
Person / Time
Site:	San Onofre
Issue date:	01/07/1983
From:	Ray H SOUTHERN CALIFORNIA EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
Shared Package
ML20028D886	List: 05000361/LER-1982-163, Forwards LER 82-163/03L-0.Detailed Event Analysis Submitted 05000361/LER-1982-163-03, /03L-0:on 821208,during Mode 1, Auxiliary Feedwater Pump 2P-140 Tripped on Overspeed.Caused by Failure of Resistor in Pump Speed Sensor Circuitry. Resistor Replaced
References
LER-82-163-03L, LER-82-163-3L, NUDOCS 8301200067
Download: ML20028D898 (1)

LER-1982-163, /03L-0:on 821208,during Mode 1, Auxiliary Feedwater Pump 2P-140 Tripped on Overspeed.Caused by Failure of Resistor in Pump Speed Sensor Circuitry. Resistor Replaced

Event date:
Report date:
3611982163R03 - NRC Website

text

NRC FORM 366 U. S. NUCLE Af1 REGULATORY COMMISSION (7 7V LICENSEE EVENT REPORT CONTRot SLOCK: l l

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88 EVENT DATE 74 75 REPORT CATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h lWhile in Mode 1, the Auxiliary Feedwater Pump 2P-140 was declared inoperable.

l O 2 g lThere was no consequence to the public health and safety since any one of the i

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l0 l s ; l removal function if called upon to do so.

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43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h lilOi lThe pump tripped due to a failed resistor in the pump speed sensor circuitry.

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i i l additional corrective action to prevent recurrence is glanned.

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