ML20041F827

LER 82-004/03L-0:on 820109,during Planned Power Reduction, Min Critical Power Ratio Was Below Operating Limit W/O Initiation of Corrective Actions Required by Tech Specs. Caused by Personnel Error.Procedures Will Be Revised

ML20041F827
Person / Time
Site:	Cooper
Issue date:	03/05/1982
From:	Peterson R NEBRASKA PUBLIC POWER DISTRICT
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20041F821	List: ML20041F820 ML20041F827
References
LER-82-004-03L, LER-82-4-3L, NUDOCS 8203170454
Download: ML20041F827 (1)

Text

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#           8                          to           69             DOCK E T NUwet R              65    89      Evf NT DATE            74       TS       REPORT DATE         80 EVENT DESCRIPYlON AND PHO8ABLE CONSEQUENCES h a 2 lDuring a planned power reduction to initiate a reactor shutdown, the Minimum Critical l o 3          gPower Ratio (MCPR) was below the MCPR operating limit without the initiation of correc-{

g ltive actions as required by Section 3.11.C of the CNS Tech. Specs. This occurrence wasI o s l discovered on 2-3-82. Investigation demonstrated that MCPR was erroneously calculated l f5T 1 Idue to an incorrect indication of core flow because of single recircuintion loon oper-1 o i lation and was not actually in violation of the limit. This occurrence had no adverse l lois; leffect on public health and safety. This event has a potential for repetition. l

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     , ,         gvised by 4-1-82 to address this problem and to provide a method for the operators to                                                                                 l    [
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