ML19207B155

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LER 79-064/03L-0 on 790731:GE Notified Util That Error Existed in Tech Specs for Max Critical Power Ratio.Caused by Use of Incorrect Void Coefficient Data.Revision to Tech Specs Currently Underway
ML19207B155
Person / Time
Site: Brunswick Duke Energy icon.png
Issue date: 08/20/1979
From: Tollison A
CAROLINA POWER & LIGHT CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19207B148 List:
References
LER-79-064-03L, LER-79-64-3L, NUDOCS 7908230459
Download: ML19207B155 (1)


Text

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. LICENSEE EVENT REPORT CONTROL BLOCK:

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$0R$ Xl@l 0 5l Ol -l Ol 3l 2l 4 @l0 17 13 l1 17 19 gj 0l 8 l2 l 0 7 l980l@ 74 75 7 60 61 DOCK ET NUMB E R 68 69 EVENT DATE REPORT DATE EVENT DESCRIPTION AND PROBABLE CONCF.QUENCES h O 2 ICarolina Power & Licht Connany received noef ff enrinn fenm Canavn1 Plocevic rh,e nn n ed o a lexisted in the Technical Specifications (3.2.3.b) for the MCPR Limit frou End-of-CveleI o 4 I l(EOC) minus 2000 MWD /ST to EOC. This Technical Snecification is not exnected to be- 1 o s Icome applicable until approximately October 1979: consequent 1v these limits have not I lo is l been exceeded. The old limits and new limits supplied by C.E. are as follows:

0 7 l Fuel Type Was Should Be Fuel Type Was Should Be Fuel Type Was Should Be I o a 17 X 7 1.21 1.22 8X8 1.27 1.29 8 X 8R 1.27 1.29  !

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47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS G TTl l General Electric explained that the error was attributable to the n :e of incorrect J Wy Ivoid coefficient data, and has identified action to prevent recurrence through inter- I

[TTTl Inal procedures. A revision to Technical Specifications is being prepared to establisa l g Lthe proper limits by EOC minus 2000 MWD /ST. l U_L4_] I I 7 8 <a 80 5bS  % POWER OTHER STATUS DISCO RY Of SCOVERY DESCRIPTION i s y@ l 0l 9 5 l@l NA l lDl@l Vendor Notification l

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