05000325/LER-1980-016-03, /03L-0:on 800214,while Running Inner Diameter RHR Pump in Torus Cooling Mode in Preparation for HPCI Surveillance Testing,Pump Tripped,Making B Loop of LPCI Inoperable.Cause Unknown.Breaker Reset & Pump Started

/03L-0:on 800214,while Running Inner Diameter RHR Pump in Torus Cooling Mode in Preparation for HPCI Surveillance Testing,Pump Tripped,Making B Loop of LPCI Inoperable.Cause Unknown.Breaker Reset & Pump Started

ML19305A964
Person / Time
Site:	Brunswick
Issue date:	03/10/1980
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19305A960	List: 05000325/LER-1980-016, Forwards LER 80-016/03L-0 05000325/LER-1980-016-03, /03L-0:on 800214,while Running Inner Diameter RHR Pump in Torus Cooling Mode in Preparation for HPCI Surveillance Testing,Pump Tripped,Making B Loop of LPCI Inoperable.Cause Unknown.Breaker Reset & Pump Started
References
LER-80-016-03L-01, LER-80-16-3L-1, NUDOCS 8003180621
Download: ML19305A964 (1)

LER-1980-016, /03L-0:on 800214,while Running Inner Diameter RHR Pump in Torus Cooling Mode in Preparation for HPCI Surveillance Testing,Pump Tripped,Making B Loop of LPCI Inoperable.Cause Unknown.Breaker Reset & Pump Started

Event date:
Report date:
3251980016R03 - NRC Website

text

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mP LICENSEE EVENT REPORT s

CONTROL BLOCK: l' l

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lh (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION)

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7 8 9 LICENSEE CODE 14 15 LICENSE NUMSER 25 26 LICENSE TYPE 40 SFCATSd CON'T Iolll Lo i s l o I - 101312 i s Gl o 1211 I418 to Glo 1311 to 1810 l@.

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8 60 6F DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 8.0 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h I'oT 1 i While running ID RHR pump in the torus cooling mode in preparation for HPCI l

6 l0i3l l surveillance testing, the pump tripped. This made the "B" loop of LPCI inoperable.

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10171 l 1.Q l s l l Technical Specifications 3.5.3.2, 6.9.1.9b l

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to 11 12 13 18 19 20 SE QUENTI AL OCCURRENCE REPORT REvrSiON g g.Ro EVENT YEAR REPORT NO.

CODE TYPE NO.

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• 36 37 40 43 42' 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h li l 0 l l A thorough investigation of the breaker could not detect a problem.

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li j i l l indicators were present and no problem with any interlock lostic could be found.

The i l breaker was reset and the pump successfully started and run. This is considered an I

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g l iso 1'ated event and no further action is required.

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% POWER OTHER STATUS DISCO RY DISCOVERY DESCRIPTION

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RELEASED OF RELEASE

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PERSONNEL EXPOSURES NUMBE R TYPE DE SCRIPTION [1_j]_] l 0 l o l o l @ W @ l N/A I

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A. C. Tollison, Jr.

PHONE:

NAME OF PREPARER 8 0 r> 3 i s o fo1.i