ML20041F861

LER 82-001/03L-0:on 820203,motor Driven Emergency Feedwater Pump 1B Declared Inoperable Due to Bearing Vibration Exceeding Acceptable Limits.Caused by Misalignment Between Pump & Motor.Pump & Motor Realigned & Tested Satisfactorily

ML20041F861
Person / Time
Site:	Oconee
Issue date:	03/05/1982
From:	Kutzer J DUKE POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20041F855	List: ML20041F854 ML20041F861
References
LER-82-001-03L, LER-82-1-3L, NUDOCS 8203170488
Download: ML20041F861 (1)

Text

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.. occuer s.uussa en se avaar oars se is aeront oars so event DESCRIPTION ANO PROSA8LS CONSEQUENCES h o lOn Februnrv 3, 1982, the IB Motor Driven Emereency Feedwater Pump was declared I gg inoperable due to a bearing vibration which exceeded the acceptable limit. ,

During this incident the turbine driven emergency feedwater pump and the other

, motor driven emergency feedwater pump were operable to supply feedwater to the

a. l steam generators in the event of a reactor trip and loss of main feedwater. ,

,Thus, the health and safety of the public were not affected.

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, , lThe cause of this incident was misalignment between the pump and motor, causingI

,the excessive vibration. The pump and motor were uncoupled and aligned to g within the specified tolerances, and after satisfactory vibration test results, the pump was declared operable.

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