ML20077S168
| ML20077S168 | |
| Person / Time | |
|---|---|
| Site: | Summer  |
| Issue date: | 09/14/1983 |
| From: | Bouknight R, Dixon O SOUTH CAROLINA ELECTRIC & GAS CO. |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| RO-83-099, RO-83-99, NUDOCS 8309210381 | |
| Download: ML20077S168 (22) | |
Text
SOUTH CAROLINA ELECTRIC & GAS COMPANY post OpriCE 764 cowu va. sours ca,ousa 2sais N g g P l *. I 3 O. W. OlXoN, JR.
vics enesiosur sucts*= o.s aricas September 14, 1983 Mr. James P. O'Reilly Regional Administrator U.S. Nuclear Regulatory Commission Region II, Suite 2900 101 Marietta Street, N.W.
Atlanta, Georgia 30303
SUBJECT:
Virgil C. Summer Nuclear Station Docket No. 50/395 Operating License No. NPF-12 Thirty Day Written Report LER 83-099
Dear Mr. O'Reilly:
Please find attached Licensee Event Report #83-099 f or Virgil C.
Summer Nuclear Station.
This Thirty Day Report is required by Technical Specification 6.9 1.13. (b) as a result of entry into Action Statement (a) of Technical Specification 3 3.3.6, " Accident Monitoring Instrumentation," on September 1, 1983 Should there be any questions, please call us at your convenience.
J Very truly youre,
s
- 0. W. Dixon, J r.
RJB:0WD/mac Attachment cc:
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Summer C. L. Ligon (NSRC)
G.
J. Braddick E. H. C rews, J r.
T. C. Nichols, J r.,/0. W. Dixon, J r.
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C. Miller J.
L.
Skolds E. C. Roberts J.
B. Knotts, J r.
H. N. Cy ru s Group / General Managers I&E (Washington)
O. S. Bradham Document Management Branch R. B. Clary INPO Records Center C. A.
Price NPCF A. R. Koon File (Lic./Eng.)
D. A. Lavigne J. F. Heilman
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EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h l o l2 j l On Septombor 1,1983. with the Plant in Made 1, "A" Train Subcooling Monitor was l
l o l3 l l declared inoperable due to erratic readings. Technical Specification 3.3.3.6, l
j o j 4 l l " Accident Monitoring Instruentation," requires that this instrumnt be operable l
l o ls l l in Mades 1, 2, and 3.
Were were no adverse consequences due to this event.
l l o ls l l "B" Train Subcooling Manitor was operable and the Licensee conplied with Action l
j o l 2 j l Stateent. (a) of the aforement.ioned Technical Specification.
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o CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h l 110 l l The cause of this event was due to the failure of an electronic board (Low Level' l
l 1 l 1 l l Data). W e failed board was replaced. We applicable surveillance test was l
l 112 l l performed and the unit was declared operable SepteTber 2,1983. Total tim l
l113ll inoperable was 28.25 hours2.893519e-4 days <br />0.00694 hours <br />4.133598e-5 weeks <br />9.5125e-6 months <br />. W is failed board will be returned to the vendor j
1114 l l for additional evaluation as to the cause of the failure and reconmrded action.
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