ML18110A871

LER 1977-335-34 for St. Lucie, Unit 1 on Containment Spray Header Valve

ML18110A871
Person / Time
Site:	Saint Lucie
Issue date:	09/15/1977
From:	Schmidt A Florida Power & Light Co
To:	O'Reilly J NRC/IE, NRC/RGN-II
References
LER 1977-335-34
Download: ML18110A871 (2)

Text

P).BOX 013100, MIAMI, FL 33101'jg FLORIDA POWER 5 LIGHT COMPANY September 15, 1977 PRN-LI-77-293 Mr.James P.O'Reilly, Director, Region II Office of Inspection and Enforcement U.S.Nuclear Regulatory Commission 230 Peachtree Street, N.W., Suite 1217 Atlanta, Georgia 30303

Dear Mr.O'Reilly:

REPORTABLE OCCURRENCE 335-77-34 ST.LUCIE UNIT 1 DATE OF OCCURRENCE:

AUGUST 17, 1977 CONTAINMENT SPRAY HEADER 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, A.D.Schmidt Vice President Power Resources WAK/cpc Attachment cc: Robert Lowenstein, Esquire Director, Office of Inspection and Enforcement (30)Director, Office of Management Information and Program Control (3)

CONTROL BLOCK: 1 6 I4, LCENSEE NAME 1 F L S L S 1 0 0 89 14 15 LCENSE NUMBER 0 0 0 0 0 0 0 25 (P E PRINT ALL REDUIRED INFORMATION) ucENBE EVENT TYPE TYPE 4 1 1 1 1~03 26 30 31 32 REPORT REPORT CATEGORY TYPE SOURCE 1 CON'7~~L L 0 8 57 58 59 60 61 DOCKET NUMBER 5 0-0 3 3 EVENT DATE REPORT DATE 5 0 8 1 7 7 7 0 9 1 5 7 7 68 69 74 75 80 EVENT DESCRIPTION Durin surveillance testin 1 containment s ra header valve did not indicate full o en 8 9 80 when tested.The roblem was corrected well within the time limit of S ecification 8 9 3.6.2.1.a.

This is the first occurrence of this t e.8 9 335-77-34 80 80 8 9 8 9 SYSTEM CAUSE CODE CODE COMPONENT CODE~EB~F V A L V 0 8 9 10 11 12 CAUSE DESCRIPTION PRME COMPONENT SUPPUER P~A W 2 5 5 17, 43 44 47 46 80 Unknown-the manual handwheel used to override the valve was found to be about 10%8 9 closed.The (two)handwheels have been locked o en.8 9 80 80 89 OTHER STATUS NA AMOUNT OF ACTIVITY NA FACAlTY STATUS A POWER~E~io o 8 9 10 12 13 FORM OF ACTIVITY COATENT RELEASED OF RELEASE~z~z 9 9 10-11 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION

~00 o~z 8 9 11 12 13 PERSONNEL INJURIES DESCRIPTION 0 0 0 9 11 12 METHOD OF DISCOVERY 44 45 46 NA NA DIscovERY DEscRIpnoN NA LOCATION OF RELEASE NA 80 80 80 80 80 OBABLE CONSEQUENCES None-the ate valve was about 90%o en and would have assed ver nearl full flow.9 LOSS OR DAMAGE TO FACILITY TYPE DESCRIPTION

~z 9 10 PUBLICITY NA NA 80 80.60 ADDITIONAL FACTORS P OBABLE CONSE UENCES Cont'd: Other redundant s stems were o erable.80 9 80