ML20003H983

LER 81-004/03L-0:on 810406,during testing,turbine-driven Auxiliary Feedwater Pump 22 Failed to Come Up to Rated Speed.Caused by Low Governor Setting.Governor Adjusted to Proper Speed

ML20003H983
Person / Time
Site:	Prairie Island
Issue date:	05/05/1981
From:	Hunstad A NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20003H982	List: ML20003H981 ML20003H983
References
LER-81-004-03L, LER-81-4-3L, NUDOCS 8105080287
Download: ML20003H983 (1)

Text

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LICENSEE EVENT REPORT CONTROL BLOCK: l l l l l l l (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 1 6 l 0 l 81 9l l MLICENSEE

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EVENT DATE 74 7b RE PORT D ATE

? 8 60 61 DOCKET NUMBE R EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h Io l2l lDuring testing of No. 22 Turbine-Driven Auxiliary Feedwater Pump after modifications, I Io Iai Ithe pump failed to come up to rated speed. Pump was inoperable during periods with l IO I4 l Ithe unit in hot shutdown. No effect on public health and safety since redundant pump l Io isl lvas operable. Tech Spec 3.4.A.2.b applies. First occurrence of low governor setting.l I

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3 l36Zl@ 3 40 di 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVS ACTIONS I1 10 I l Governor setting low. Governor was adjusted to proper speed and pump retested I g l satisfactorily. Governor setting cannot be accuratelv determined until oumo is run. I

,, ,,,g Methods of determining governor setting while pump is shut down are being pursued. I I

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l i 141 1 80 7 8 9 ST  % PCH R OTHER STATUS DISCO R DtSCOVERY DESCRIPTION Routine Test

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' PERsoNNe't iNau'llES NuuSER oEsCRiPTicNh NA l li i s 8l l9 0 l 0 l 011l@l12 7

80 LOSS OF OR DAuAGE To FACILITY TYPE DESCRt* TION NA l 11 191 7 b 9 W @l10 80 NRC USE ONLY is M [,suEoN Jhl

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