ML20133N768

Special Rept Spr 85-009:on 850609,fuel Oil Leak Observed on Fuel Supply Line.Caused by Crack in Threads of 2-inch Connector on Line to One Bank of Cylinder.New Connector Installed & Generator Tested Every 14 Days.Part 21 Related

ML20133N768
Person / Time
Site:	Summer
Issue date:	07/08/1985
From:	Dixon O SOUTH CAROLINA ELECTRIC & GAS CO.
To:	Grace J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
REF-PT21-85-361-000 PT21-85-361-000, SPR-85-009, NUDOCS 8508130610
Download: ML20133N768 (2)

Text

l 4

SOUTH CAROLINA ELECTRIC & GAS COMPANY POST OFFICE 764 C7 cowuera, sours camouwA 292 e

{c=

0. W. lDimoN.Ja. F*

viCr par $ ment Ju1y 8, 1985 g NUCLEan OPERAft0NS P

to Dr. J. Ne ls on Grace ..

Regional Administrator ca U-S. Nuclear Regulatory Commission LO Suite 2900 101 Marietta Street, NW Atlanta, Georgia 30323

SUBJECT:

Virgil C. Summer Nuclear Station Docket No. 50/395 Operating License No. N P F- 12 Special Report (SPR 85-009)

Dear Dr. Grace:

Attached is a Special Report for the Virgil C. Summer Nuclear Station. This Special Report is submitted pursuant to the requirements of Section 6 of the Technical Specifica tions.

Sh ou ld there be any questions, please call us at your convenience.

Very truly your ,

/

/

0. W. txo , Jr RJB :0WD / le d Attachment ec: V. C. Summer K. E. Nodland T. C. Nichols, Jr../0. W. Dixon, Jr. R. A. Stough E. H. Crews, Jr. G. Pe r c iv a l E. C. Roberts C. W. Hehl W. A. Williams, Jr. J. B. Knotts, Jr.

D. A. Nauman S. D. Hogge Grou p Managers I&E Washington O. S. Bradham Document Management C. A. Price Branch S. R. Hunt INPO Records Center J. F. Heilman ANI Lib r ar y C. L. Ligon (NSRC) NPCF File 8508130610 850700 ){ f6/9 PDR ADOCK 05000395 S PDR _

,L Dr. J. Nelson Grace SPR 85-009 Page Two July 8, 1985 EVENT DESCRIPTION On June 9, 1985 upon securing Diesel Generator (DG) "A" following a surveillance test, a fuel oil leak was observed on the fue l supply line. Investigation id en t i f ied that the leak was due to a crack in the threads of a two inch connector on the fuel supply line to one bank of cylinders.

ACTION TAKEN In accordance with the criteria set forth in Regulatory Guid e 1.108, " Periodic Testing of Diesel Generators," this event was classified as a va lid test f ailu r e and the unit was declared inoperable. A new connector was installed, the unit was satisfactorily tested and declared o pe r ab le at 1835 hours0.0212 days <br />0.51 hours <br />0.00303 weeks <br />6.982175e-4 months <br />, June 10, 1985. Total time inoperable was twenty-four (24) hours.

At the present time, the Licensee is testing the diesel generators every 14 days on a staggered test basis. As of July 1, 1985, s i x t y- f iv e (65) va lid su c ce s s fu l tests are required to decrease the test frequency to once every thirty-one (31) days.

8 L