ML19339B213

LER 80-077/03L-0:on 801003,drywell Equipment Drain Sump Pump (20-P-5B) Motor Tripped on High Overload.Caused by Thrust Bearing Failure Resulting in Pump Impeller Rubbing Against Casing.Pump Rebuilt & Tested

ML19339B213
Person / Time
Site:	FitzPatrick
Issue date:	11/03/1980
From:	W. Verne Childs POWER AUTHORITY OF THE STATE OF NEW YORK (NEW YORK
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19339B211	List: ML19339B210 ML19339B213
References
LER-80-077-03L, LER-80-77-3L, NUDOCS 8011060506
Download: ML19339B213 (1)

Text

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60 61 QCCx ET NUM8 ER 68 69 EVENT QATE 74 75 REPORT QATE 80 EVENT OESCRIPTION AND PROBABLE CONSEQUENCES h t o 121 l During normal operations on October 3, 1980, the Drywell Equipment Drain Sump l l

,,,3, 9 Pump (20-P-5B) motor tripped on high overload resulting in loss of the pump for l

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the normal operating mode. Technical Specification paragraph 3.6.D.2.b requires l

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that the redundant failed coinponent be. returned to service within 30 days. The l plant staff Is awaiting clarification from the NRC as to applicability of this l 10l6l l

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Technical Specification to' this pump. No significant hazard existed. l I

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35 36 37 40 el 42 43 CAUSE OESCRIPTION AND CORRECTIVE ACTIONS h 1 10 l l Thrust bearing failure resulted in oumo imoeller rubbino aoainst casing. Tha 1 g i i, i l pump was rebuilt and satisfactorily tested on October 16, 1980. I I

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