ML20058K796

Ro:On 740712,RHR Svc Water Pump 11 Failed to Start During Routine Operation.Pump Motor Breaker Replaced.Pump Demonstrated Operable.Cause of Breaker Malfunction Being Investigated

ML20058K796
Person / Time
Site:	Monticello
Issue date:	07/15/1974
From:	Larson C NORTHERN STATES POWER CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
NUDOCS 9102140408
Download: ML20058K796 (1)

Text

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     '. July 15, ~;2S74 Mr. .J. :G. 7.eppler, Regional . Director 1

Cirectorate.cf Regahtarf Operatirms .. Regton:1II ], clinited States Atomic.B=gf r'nmissian -~ . 799 Foeseyeit .Ibcd . . GlenIB11yn, 111i2:ois -5107.3 I' I

Dear'Mr. Teppler:

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tbcket No. 50-263 License 2;o. TE'R-22

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                                   'Bailurn of the fJo.11.M Service Water Pump >to. Start
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Qn July 12 1974, 4.uring routine operation .of the RHR : Service' Water _syste:q for items. cooling, -the_'hb. '11.MfR .Si purp failed :to star.t. The pu=p rotor bFecker ws Topi with Espare -and the .pu::rp was ~ demonstrated . operable. .Ihe.redt uhnt pu=pi ithe 5%" loop and the_pxnps 'in-the MMAmt *B" . loop were also 'de:nonstmted ,to .be

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         .x:c: J F Ohsry, Sirectoraterof Licensing                                                                                     --
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                   'Minnt.sota Polintion Control Agancy                                                              -

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           .Tapies sent~by.teleccd5ier to:L.wler 2nd D!Learf                                                           ,
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