ML20073R276

Ro:On 830424,svc Water Booster Pump B Declared Inoperable Due to Bearing Failure & Plant Shutdown Commenced Following Pump a Trip Due to Blown Control Power Fuses.Fuses Replaced & Pump a Restarted.Investigation Continuing

ML20073R276
Person / Time
Site:	Robinson
Issue date:	04/25/1983
From:	Starkey R CAROLINA POWER & LIGHT CO.
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
RSEP-83-534, NUDOCS 8305030599
Download: ML20073R276 (1)

Text

CD&L c .,

u Carolina Power & Light Company w m  :

a ..x H. B. ROBINSON STEAM ELECTRIC PLANT g ;4 O POST OFFICE BOX 790 HARTSVILLE, SOUTH CAROLINA 29550 ,

1" APR2 51983 .? I~

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Robinson File No: 13510C Serial: RSEP/83-534 ro i Mr. James P. O'Reilly U. S. Nuclear Regulatory Commission Region II 101 Marietta Street, Suite 3100 Atlanta, Georgia 30303 H. B. ROBINSON STEAM ELECTRIC PLANT, UNIT 2 DOCKET No. 50-261 LICENSE NO. DPR-23 PROMPT NOTIFICATION - SERVICE WATER BOOSTER PUMP FAILURE

Dear Mr. O'Reilly:

In accordance with Section 6.9.2 of the Technical Specifications for the H. B. Robinson Steam Electric Plant, Unit 2, the following event is reported. '

On April 24,1983, at 0710 hours0.00822 days <br />0.197 hours <br />0.00117 weeks <br />2.70155e-4 months <br />, "B" Service Water Booster Pump (SWEP) was declared inoperable due to a bearing failure. At 1407 hours0.0163 days <br />0.391 hours <br />0.00233 weeks <br />5.353635e-4 months <br />, "A" SWBP tripped, and Plant shutdown was commenced in accordance with Technical Specification 3.3.4.2. The control power fuses were found blown on "A" SWBP. These fuses were replaced, and "A" SWBP was restarted. Plant shutdown was terminated at approximately 1424 hours0.0165 days <br />0.396 hours <br />0.00235 weeks <br />5.41832e-4 months <br />. At 1501 hours0.0174 days <br />0.417 hours <br />0.00248 weeks <br />5.711305e-4 months <br />, "A" SWBP tripped again, and PJLant shutdown was recommenced. The control power fuses were replaced, and "A" SWBP was restarted; however, Plant shutdown continued pending further investigation of the failure. Hot shutdown conditions were achieved at 1759 hours0.0204 days <br />0.489 hours <br />0.00291 weeks <br />6.692995e-4 months <br />.

NRC Region II and the of fice of Mr. B. J. Furr, Vice President - Nuclear Operations, were notified of this event on April 25, 1983.

Very truly yours,

/h/ $

8305030599 830425 gIr tarkey, Jr.

PDR ADOCK 05000261 S

v' d .Ceneral B. Manager PDR h-H. B. Robinson S. E. Plant CO W HTC/j t. q pY1g$yD cc: S. P. Weise [

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