ML19345E170

LER 80-103/03L-0:on 801118,during Reactor Startup While Investigating Cause of Speed Indication Problems W/Reactor Recirculation Pump 2A,pump Motor Generator Unit Tripped. Caused by Technician Inadvertently Shorting Electrical Lead

ML19345E170
Person / Time
Site:	Brunswick
Issue date:	12/18/1980
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19345E165	List: ML19345E163 ML19345E170
References
LER-80-103-03L, LER-80-103-3L, NUDOCS 8012230373
Download: ML19345E170 (1)

Text

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NRC FOHM 366 U.S. NUCLEAR REGULATORY COW.13SSION (7 771 LICENSEE EVENT REPORT A ONTROL BLOCK: l l l l l l l (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 1 6 lo I s8 9i i NlL1CENSEE Cl BlCODE El PI 2l@l O! Ol -l 0L,lCENSE 14 15 0l 0l 0l 0 l -l 0l O25l@l26 4 l LICENSE NVMtBEH 1 ! I l TYPg l'l 1l@l JO l

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t50 EVENT OESCRIPTION ANO PROB ABLE CONSEQUENCES h

> Io l2l l Durin;; a normal reactor startup while investigating the control loop circuitrv of I i

[ Reactor Recirculation Pump 2A, in order to determine the cause of speed indication i I o l 4 l l problems with the pump, the pump motor generator unit tripped. This event did not i I o I s l I affect the health or safety of the public. l I

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firTT1 I Technical Specifications 3.4.4.1, 6.9.1.9b l I o !81 I 80 7 8 9 "'

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. CAUSE DESCRIPTION ANO CORRECTIVE ACTIONS h I

li l o l l This event occurred because a maintenance technician inadvertent 1v shorted an elec-g trical lead in the pump control loop circuitry which tripped the motor generator unit.g g'

The motor generator and pump were then successfully restarted and returned to normal

,,,,,; c'peration. The involved technician and all other maintenance technicians have been g counseled to exercise extreme care when investigating problems with the control  ;

80 7 8 S g cuitry of the reactor recircu ion,y g .

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NAME OF PREPARER A. C. To111 son. Jr. PHONE: 919-057~9521 $

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