05000280/LER-1983-068, Forwards Updated LER 83-068/03X-1

Forwards Updated LER 83-068/03X-1

ML20074A596
Person / Time
Site:	Surry
Issue date:	05/06/1983
From:	Joshua Wilson VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20074A597	List: 05000280/LER-1983-068, Forwards Updated LER 83-068/03X-1
References
83-33, NUDOCS 8305130198
Download: ML20074A596 (1)

LER-2083-068, Forwards Updated LER 83-068/03X-1

Event date:
Report date:
2802083068R00 - NRC Website

text

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pCO VIRGINIA ELECTRIC ANO DOWim COvcAs*

Su q.' Power Station M P. O. Box 315 c3 g6 Surrf, VirginiF23883 Serial No: 83D3

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s Docket No: 50-280 ,u ,'

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License No: die 32 5,y

.O.. ,O M: . Jares P. O'Reilly ~ -

N l Regional A binistrator h; Suite 2900 101 Marietta Street, NN Atlanta, Georgia 30303 Dear Mr. O'Reilly Pursuant to Srry Power Station Technical Specifications, the Virginia Electric and Power Capany hereby suircits the follodng Licensee Event Report for Surry Unit 1.

Retort N=ter Acolicable 'Ibchnical S ecification 82-068/03X-1 T.S. 6.6.2.b(2)

'Ihis report has been reviewed by the Station Nuclear Safety and Operating Ccrrittee and will be reviewed by Safety Evaluation and Control.

. Very truly ycurs,

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. L. Wilson Station Manager Enclosure cc: Dcement Control Desk, USNRC 016 Phillips Bldg.

Washington, D. C. 20555 l , giAL C l

B305130198 830506 DR ADOCK 05000280

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& 5: 61 OG:KET NvMagm EVENT CATE EVEN OE$tRIPTION ANO 890$AELE CONSEOuENCES h ,

, 21 l With Unit 1 and Unit 2 at full power, the fire detection system was discovered to i

. .il have lost its program, thereby rendering it inoperable. This is contrary to l _,

il; ; T.S.3.21. A.1 and is reportable per T.S.6.6.2.b. (2) . The fire Wunoression systems l_,_

j ,,;; remained operable and hourly walkdowns were performed during the time the fire l_

,  ; ,s ; l detection E.ystem was inoperable. Therefore, the health and safety of the public i, ci7I I were not affected. 1 tei I 80 ae Cou*.

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3 ioi1 The exact cause of the event has not been determined however, at the time of the 1 w I

( ,,,,;I event, the Central Processing Unit was not installed in its enclosure cabhor nd

,,7, l a result, the program reset button remained vulnerable to manipulation. Therefore. it 1

.,3; } is believed that the program button was inadvertantiv reset. The system was renro- I s i, ; ] grammed and verified operational and the C.P.U. was installed in its enclosure cabinet.!

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Nave occesara .I. L. Wilson ow;yg (804) 357-3184 c.

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