05000324/LER-1981-030-03, /03L-0:on 810228,full-out Position Indication Not Achieved When Rod 26-39 Was Fully Withdrawn During Normal Operation.Cause Not Determined.Operational Check of Rod Will Be Performed Following Next Unit Startup

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/03L-0:on 810228,full-out Position Indication Not Achieved When Rod 26-39 Was Fully Withdrawn During Normal Operation.Cause Not Determined.Operational Check of Rod Will Be Performed Following Next Unit Startup
ML19350C068
Person / Time
Site: Brunswick Duke Energy icon.png
Issue date: 03/23/1981
From: Pastva M
CAROLINA POWER & LIGHT CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19350C067 List:
References
LER-81-030-03L-01, LER-81-30-3L-1, NUDOCS 8103300329
Download: ML19350C068 (1)


LER-1981-030, /03L-0:on 810228,full-out Position Indication Not Achieved When Rod 26-39 Was Fully Withdrawn During Normal Operation.Cause Not Determined.Operational Check of Rod Will Be Performed Following Next Unit Startup
Event date:
Report date:
3241981030R03 - NRC Website

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8 60 64 DOCKETNguagR 6a 69 EVENT 0 ATE 74 75 REPORT CATE 80 EVENT OESCRIPTION AND PROBABLE CONSEQUENCES h l'oTi1 l During normal plant operation while performine unit load chances, when rod 26-39 was l be achieved. The rod was l

[5TTI I fully withdrawn, " full-out" position indication could not

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[ o l.i t l bypassed in tha Rod Sequence Control System (RSCS), in accordance with Technical I

l Specifications in order to allow continuation of the load chances. This event did not l o s o s l affect the health or safety of the nublic.

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lTTTI IThe cause of this event could not be determined. On February 24, 1981, a check of f

lthe rod control logic circuit and an examination of the rod PIP on March 7,1981, both i

i i l failed to reveal any problems. Following the next unit startup, an operational check,

}of the rod will be performed. If normal indication is obtained, this will be considerqd

, 3 g lan isolated event; if not, a supplemental report will be issued.

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