05000366/LER-1979-060-03, /03L-0 on 790626:during Approach to Test Condition 6 at 82% Power & Core Max Fraction of Limiting Power Density of 0.82 Rods Were Pulled & Flow Increased. Changes Made to Reduce High Peaking Factors

/03L-0 on 790626:during Approach to Test Condition 6 at 82% Power & Core Max Fraction of Limiting Power Density of 0.82 Rods Were Pulled & Flow Increased. Changes Made to Reduce High Peaking Factors

ML19225C794
Person / Time
Site:	Hatch
Issue date:	07/26/1979
From:	Coggin C GEORGIA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19225C792	List: 05000366/LER-1979-060, Forwards LER 79-060/03L-0 05000366/LER-1979-060-03, /03L-0 on 790626:during Approach to Test Condition 6 at 82% Power & Core Max Fraction of Limiting Power Density of 0.82 Rods Were Pulled & Flow Increased. Changes Made to Reduce High Peaking Factors
References
LER-79-060-03L, LER-79-60-3L, NUDOCS 7908020456
Download: ML19225C794 (2)

LER-1979-060, /03L-0 on 790626:during Approach to Test Condition 6 at 82% Power & Core Max Fraction of Limiting Power Density of 0.82 Rods Were Pulled & Flow Increased. Changes Made to Reduce High Peaking Factors

Event date:
Report date:
3661979060R03 - NRC Website

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$0 EVENT DESCRIPT!CN ANO PRC9 A8LE CONSECUENCES h iol2 I Durinc accreach to test conditirn 6 at a ocwer of 82% and CMFLPD of 0.82, rods were l

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After an 00-1 t.alibration at 95% ocwer CMFLPD was calcul-l lated to be 1.020 (T.S.3.4.2) within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />, with a flow reduction CMFLPD was reduced 1 io a

iots Ito 0.909. i-n crevicus instances no adverse cc: wauences were realized.

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liita i Since this violation the feedwater flow calibration was found to be-5% higher cal-I culation of LHGR and therefore CMFLPD.

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Georgia Power Company Plant E. I. Match Baxley, Georgia 31513 Cause Description and Corrective i.ctionsThis has been brought to the staff's attention and will be watched for future problems.

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