05000325/LER-1982-051

LER 82-051/03L-0:on 820505,during Rod Sequence Control Sys Operability test,PT-1.6.1,fully Inserted Control Rod 30-19 Had Intermittent full-in RTGB Position Indication.Caused by Defective Rod Position Reed Switch

ML20053D572
Person / Time
Site:	Brunswick
Issue date:	05/26/1982
From:	Pastva M CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20053D569	List: 05000325/LER-1982-051, Forwards LER 82-051/03L-0 05000325/LER-1982-051-03, /03L-0:on 820505,during Rod Sequence Control Sys Operability test,PT-1.6.1,fully Inserted Control Rod 30-19 Had Intermittent full-in RTGB Position Indication.Caused by Defective Rod Position Reed Switch
References
LER-82-051-03L-01, LER-82-51-3L-1, NUDOCS 8206070078
Download: ML20053D572 (1)

LER-2082-051,

Event date:
Report date:
3252082051R00 - NRC Website

text

LICENSEE EVENT REPORT (PLEASE PRINT CR TYPE ALL REQUIRED INFORMATIEN!

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EvF*d DFwrnpTION AND PROH art E COfGEGUENCES h l u 121 lGille making preparations for a reactor startuo. nerf ormnco of Rnd senuencn ennern1 l gol3; [Systen operability test, PT-1.6.1, revealed that fully inserted control rod 30-19 had l j o g ; l intermittent " full-in" RTCB position indication. This event did not affect the health l j o g .,; gand safety of the public. l ,

CUD I -l FT7l l Technical Specifications 3.1.3.7, 6.9.1.9b l i ) 18 I I I DE CO E SUBCO E CO'/PONENT CODE Sue OE SU E F5TTI I Il Bl@ l El@ l A l@ lZ lZ lZ lZ lZ lZ l@ ]@ [Zj @ 18 19 20 7 8 9 to 11 12 13

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3J J4 3's 36 3/ 40 42 43 44 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h lil0l [fhe intermittent " full-in" indication is believed to be the result of a defective I ii trod position reed switch. This problem will be investicated and resolved durine I i,,,, gthe upcoming 1982 scheduled refueling outage. As this type failure does not constitutel

, l i ; 3 g ja safety hazard and does occur occasionally, it is felt no additional action regardingl

[ , i ., i gthis event is required. l

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M. J. Pastva, Jr. 919-457-9521 o NAME OF PHEPAHEH PHONE: $