ML20023C551

LER 83-048/01T-0:on 830423,suppression Pool Level Instrumentation Discovered Not Functionally Tested Since 830409.Cause Under Investigation.Instrumentation Tested Satisfactorily within 8 H

ML20023C551
Person / Time
Site:	Grand Gulf
Issue date:	05/09/1983
From:	Rohrer M, Shingleton E MISSISSIPPI POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20023C549	List: ML20023C548 ML20023C551
References
LER-83-048-01T, LER-83-48-1T, NUDOCS 8305170426
Download: ML20023C551 (1)

Text

NRC FORM 366 U. S. NUCLEAR RE1ULATORY COMmetSS40N (7 77)

J T UCENSEE EVENT REPORT Attachment to AECM-83/0267 Page 1 of 2 CON TROL BLOCK: l i

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(PLEAM PRH6T OR TYPE ALL REQUlIE'A HeFORMATIONI 7

O i 8 9 LMI LICENSEE s I sia CODE i si i l@lo I ol I olo 14 15 I olo I ol UCENSE NUMBER I olo l@l4 ILICENSE 26 26 ili l 11i TYPE JS l@l57 CATI SSl@

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FIEPORT DATE 80 EVENT DESCRIPTION AND PROSABLE CONSEQUENCES h W 2] lOn 4/23/93 the surveillance coordinator discovered that the suooression i 10131[p_ool level instrumentation had not been functionally tested before l lol4l pxceeding its late date of 4/9/83. Tha appropriate action of T.S.3.5.3 l lo isl [was taken and the Div. II instrumentation was tested satisfactorily l loisl Within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />. The Div. I instrumentation was inoperable at the time l 10l7lIdue to a Div. I planned outaae. The event had no, affect on the health I o a land saf ety of the public and did not constitute a threat to plant saf etyl 7 8 9 8C C CODE S DE COMPONENT CODE DE S E

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. SEQUENTIAL OCCUR RE NCE REPORT REviSIO8e LER RO EVENT YEAR REPORT NO. CODE TYM NO.

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41 gg 42 Wg 43 lZ l 9l9 l 9g 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h l~i [Tl IThe cause is still under investigation. An update report outlining j

j. 0] Icause and corrective action is expected to be submitted by May 3o,1983 1 g lThe event is reported pursuant to T.S.6.9.1.12.b. l i a i l i 4 l 1 7 8 9 80 5A  % POWER OTHER STATUS S R DISCOVERY DESCMiPTION i s 18 l@ l o l o 10 l@l" M i @ Internal Audit I A2TiviTY CSTENT LOCATRO O, REuASE @

i s nEu ASE@o 0, REu ASELI_J@l* AMOUNT O, ACT1v,Tv I" @ I l LZ_J 7 9 9 to 11 es 4 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION l

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' PERSONNE L i~,u'R'iES NuM8ER oESCRirTiON@

i a I 7 8 9 l o 10 1011l@lm 12 80 LOSS OF OR DAMAGE TO FACiUTY TYPE DE SCRIPTION i 9 l 7 8 9LZ _ J@l" to B 05170426 830509 e0 17 ED Pu8vCity DESCRIPitON 'b PDR b ADOCK 05000416 NRC USE ONLY

• PDR j k lllllllllll! A 3 1 10 68 69 80 li NAME OF PREPARER M- Y- Rohrer & E. B. Shinoleton PHONE: $

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