ML20052H742

LER 82-031/03L-0:on 820408,boric Acid Transfer Pump a Failed to Perform at Capacity & Declared Inoperable.Caused by Reverse Rotation Due to Improperly Connected Windings. Personnel Counseled & Maint Routine Modified

ML20052H742
Person / Time
Site:	McGuire
Issue date:	05/07/1982
From:	Nardoci P DUKE POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20052H740	List: ML20052H739 ML20052H742
References
LER-82-031-03L, LER-82-31-3L, NUDOCS 8205210393
Download: ML20052H742 (1)

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peac POnee ses U.s.NucLEAA ReGULATOnY COsasesSS40fe Q.799 LICENSEE EVENT REPORT EXHIBIT A cominot.sLocx: 1 l l l 1 l l tet Ass PRINT OR TYPE ALL REQUIR(D INFOR AAATIONI i e@

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EvaxT osscniPTion Amo raceAals cos.saouaNCEs h a l While in mode 1. horic acid transfer pump "A" was declared inoperable after the, g l pump failed to perform at its rated capacity. Erroneously placing an untested ,

4 I numn in service is reportable.nnrsuant to T.S.6.9.1.13(c). Since the required 1 E l number of boron iniection flow naths remained operable throughout this occurrenqe, E l oniv the flexibility ornvided hv havins, an operable redundant pump available l

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@ l was hampered. The health and safety of the public were unaffected. [

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io I Investiention determined that the pump (Crane Chempump, canned motor type) motorg

, l windings were improperly connected causing reverse rotation. The pump had re- , j m I centiv heen replaced and then had been erroneously declared operable before a g I retest uns accomplished. The winding error was corrected and the pump returned ;

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• i 4 I to service. Appropriate operations personnel were counseled, and the preventa g e e tive maintenance routine is bein "

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