ML18004B987

Ro:On 790829,svc Water Booster Pump a Tripped When Svc Water Booster Pump B Was Stopped,In Violation of Tech Specs 3.3.4.1.a.Power Reduction Initiated & Svc Water Booster Pumps Returned to Svc

ML18004B987
Person / Time
Site:	Robinson
Issue date:	08/30/1979
From:	Robinson H, Starkey R CAROLINA POWER & LIGHT CO.
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
RSEP-79-950, NUDOCS 7909170430
Download: ML18004B987 (4)

Text

REGULATORY NFORMATION DISTRIBUTION S EM (RIDS)

ACCESSION NBR:7909170430 DOC DATE'9/08/30

~ NOTARIZEDI NO DOCKET FACIL'$50 000 Shearon Harris Nuclear Power Pl antg Uni't" 1i Cairol ina 05000400 50'01 Shearon Har ris Nuclear Power Plantg Unit 2'g Car olina 05000401 50 402 Shearon Harr is Nuclear Power Plant~ Unit 3i Carolina 05000ll02 AUTH, NAME AUTHOR AFFILIATION STARKEY<R,B, Car ol ina Power 8 Light Co,-

ROBINSONiH ~ B Carolina Power 8 Light Co, RECIP,NAME RECIPIRN f AFFILIATION 0'RE ILLY J E

'e P ~ Region 2p Atlanta'f fice of the Director

-SUBJECT! RO:on 790829~svc water booster pump A tripped when>> svc water booster pump B was stopped~in violation of Tech Specs 3<3,4 ~ i,a.Power reduction was initiated 8 svc water booster pumps weie returned to svc, DISTRIBUTION CODE;. ROOTS COPIES RECEIVED:LTR Q ENCI.

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I, RECIPIENT COPIES RECIPIENT COPIES ID COD ,NAMEI CTTR ENCL> ID CODE/NAME LTTR ENCL INTERNAL.! 0 02 NRC PDR 0P MPA NSIC S HANAUER EXTERNAL! 03 LPDR Sgj 28 1878 TOTAL NUMBER OF COPIES'EQULRED! LTTR 8 ENCL A'

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Cerollne Povrer 8 Light Cornpeny H. Bn ROBINSON SXEATf ELECTRIC PI>ANT >> 0>> I. UPNGNf Compeny Cetyef pondcnce POST OFFICE BOX 790 P. D. CHEHDSS HARTSVILLEp SOUTH CAROLINA g. B. HNHA 29550 5 J. lONG E. klURPHf August 30, 1979 T, SUTHERMW L I. Cthe Robinson File No: . 2-0-4-a-3 SPRIAL: RSEP 79-950 Nr- James P, O'Reilly Directorate of Regulatory Operations U. 8 . Nuclear Regulatory Commission Region XX Suite 3100 Atlanta, Georgia 30303

Dear Hi. O'Reilly:

As required by Technical Specification 6.9.2.a.2 the following event is reported:.

At 1)19 hours2.199074e-4 days <br />0.00528 hours <br />3.141534e-5 weeks <br />7.2295e-6 months <br /> on August 29, 1979 while operating at IOOX power, the "A" Service Water Booster Pump tripped when "B" Service Wnter Booster Pump was stopped by the operator. Attempts to restart the Service Mater Booster Pumps failed resulting in two inoperage Service Mater Booster Pumps whi'ch violates Technical Specification 3.3.4.1.a. Power reduction was initiated and continued until 1130 hours0.0131 days <br />0.314 hours <br />0.00187 weeks <br />4.29965e-4 months <br /> when, after increasing service water header pressure,,the, Service Mater Booster Pumps were returned to satisfactory service.

This event was reported to Hr. H. R. Banks Gelieration and to ))r. T J. l')cHenry of the August 29, )979.

'ff NRC ice, 1'fsnsgex ef Nuclear Atlanta office on Very truly yours,

,u)gjDl,. )

LArORY DOCKET FILE R. B. Stnrkry Jr., >>tnnngnr ~ >>

H. S. Robinson SEG Plant Q CMC gg 7909.> ~0 /go

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