ML18110A878

LER 1977-335-28 for St. Lucie, Unit 1 on Containment Isolation Valve

ML18110A878
Person / Time
Site:	Saint Lucie
Issue date:	07/08/1977
From:	Schmidt A Florida Power & Light Co
To:	Moseley N NRC/IE, NRC/RGN-II
References
LER 1977-335-28
Download: ML18110A878 (6)

Text

U.S. NUCLEAR REGUI ATORY Co ..o SSION DOCKET NUMBER NRC FORM195 I2-76)

FILE NUMBER NRC DISTRIBUTION FoR PART 50 DOCKET MATERIAL FROM: DATE OF DOCUMENT TO:

Florida Power 8c Light Company 7/8/77 Mr. Norman C Moseley Miami, Elorida DATE RECEIVED Ai D~ >Schmidt 7/22/77 QNOTORI2ED PROP INPUT FORM NUMBER OF COPIES RECEIVED L TTER

~IGINAL OCOPV DESCRIPTION CLASSIFIED ENCLOSURE i

Licensee Event Report (RO 50-335/77-28) on 6/10/77 concerning containment isolation valve I-MV-15-1 not being able to be operated either electrically or manually ACKNOWLZ&ED PLANT NAME:

St Lucie Unit No 1 yO NOT RmOVZ R JL 7/22/77 (1-P) (1-P)

NOTE: IF PERSONNEL EXPOSURE IS INVOLVED SEND DIRECTLY TO KREGER/J. COLLINS FOR ACTI N/INFORMATION INTERNAL D IST Rl BUTION EXT RN L DISTRIBUTION CONTROL NUMBER

',Ao 772030247 ACRS 16 SENT AS AT B NRC FORM 19d (2-78)

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0 P. O. BOX 013100, MIAMI, FL 33101 Q(III+

FLORIDA POWER & LIGHT COMPANY July 8, 1977 PRN-LI-77-224 gegutatog'"

Mr. Norman C. Moseley, Director, Region Office of Inspection and Enforcement II U. S. Nuclear Regulatory, Commission 230 Peachtree Street, N. W , Suite 1217 0%%

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Atlanta, Georgia 30303 fc Cr,~>AISSIQ+

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Dear Mr. Moseley:

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Ic REPORTABLE OCCURRENCE 335-77-28 ST. LUCIE UNIT 1 DATE OF OCCURRENCE: JUNE 10I 1977 CONTAINMENT ISOLATION VALVE The attached Licensee Event Report is being submitted in accordance with Technical Specification 6.9 to provide 30-day notification of the subject occurrence.

Very truly yours, D. Schmidt Vice President Power Resources MAS/cpc Attachment cc: Robert Lowenstein, Esquire Director, Office of Inspection and Enforcement (30)

Director, Office of Management Information and Program Control (3) 77ZOSO247 PEOPLE... SERVING PEOPLE

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LICENSEE EVENT REPORT Q~

CONTROL BLOCK '(PL w8f PRINT ALL REOUIRED INFDRMATIDIII3 6

OP UCENSEE LICENSE EVENT NAME LICENSE NUMBER TYPE TYPE

[oc~j F L S L S 1 0 0 0 0 0 0 0 0 0 4 1 1 1 1

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7 89 14 15 25 26 30 31 32 REPORT REPOAT CATEGORY TYPE SOURCE OOCKET NUMBEA w~ ~ EVENT'ATE AEPOAT OATE Iaa]corn 7 8 57 58 59 60 61 68 69 74 75 80 EVENT DESCRIPTION

[Oa~j o ma era ion containment isolation valve I-MV-15-1 could not be o crated 89 80 o o a ve V-1 2 was losed and lo ked 7 89 80 wi e hnical S ecification 3.6.3.1. The ino erable valve was then 7 8 9 80

[OOS] ed nd returned to service. This was the second occurrence involvin 7 8 9 80 QOQ 7 8 9 bi i of I-MV-1 -1. The revious occurrence 335-76-24 was caused b dirt PIE  ; (continued under ADDITIONAL FACTORS) 80 SYSTEM CAUSE COMPONENT COMPONENT COOS CODE COMPONENT COOE SUPPUER MANUFACTURER VGLAnON IOD7j ~SD ~E V A L V E X A L 2 0 0 N 7 8 9 10 11 12 17 44 47 48 CAUSE OESCRIPTION

~08 f valve was caused b failure of the actuatin nut on the valve motor 7 8 9 80 Jag 7 8 9 m ie a d installed and the valve o crated satisfactoril 80

~10 7 89 FACVTY METHOO OF 80 STATUS 5 POWEA OTHEA STATUS OISCOVERY OISCOVEAY OESCAIPTION 7

EO'xl 8 9 10 12 13 NA 44 A

45 46 NA 80 FORM OF ACTIVITY COATENT RELEASEO OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE 7

EIl8 9 10 NA 44 45 NA 11 80 PERSONNEL EXPOSURES NA 7 89 11 12 13 80 PERSONNEL INJURIFS NUMBFA OESCRIPTION

~>4 .~oo o 7 8 9 ,

11 12 80 PROBABLE CONSEQUENCES Jig NA 7 8 9 80 LOSS OR OAMAGE TO FACILITY TYPE OESCASoTION z NA 7 89 10 80 PUBLICITY NA 7 8 9 ~ 80

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AOOITIONAL FACTORS Q~ 8 valve control contacts and was unrelated to this event. 335-77-28 7 89 80 7 89 80 M. A. Scho man PHONE 305 552-3802 CPO 86'I o 6>7

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