05000324/LER-1981-077-03, /03L-0:on 810814,rod Overtravel Annunciator Received During Verification of rod-drive Coupling for Rod 18-47.Cause Unknown.Rod Reinserted & Deactivated.Drive Will Be Removed & Inspected During Next Outage

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/03L-0:on 810814,rod Overtravel Annunciator Received During Verification of rod-drive Coupling for Rod 18-47.Cause Unknown.Rod Reinserted & Deactivated.Drive Will Be Removed & Inspected During Next Outage
ML20010F123
Person / Time
Site: Brunswick 
Issue date: 08/27/1981
From: Pastva M
CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20010F120 List:
References
LER-81-077-03L, LER-81-77-3L, NUDOCS 8109090395
Download: ML20010F123 (1)


LER-1981-077, /03L-0:on 810814,rod Overtravel Annunciator Received During Verification of rod-drive Coupling for Rod 18-47.Cause Unknown.Rod Reinserted & Deactivated.Drive Will Be Removed & Inspected During Next Outage
Event date:
Report date:
3241981077R03 - NRC Website

text

98dC FOIBM 396 U. S. NUCL' AR REGULATORY COMMISSION (7-77)

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60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRtPTION AND PROBABLE CONSEQUENCES O'o l o ! 2 l l Following a reactor startup while moving control rods, a " rod overtravel" annunciator g This rod l0l3l lwas received during the verification of rod-drive coupling for rod 18-47.

g lol4lland the other rods symmetric to it were then inserted and deactivated in accordance g

lols] l with plant procedures and technical specifications. This event did not affect the

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gg l then reinserted and deactivated in accordance with technical specifications and will l remain so until a future outage, when its drive will be removed and inspected to l

13l3l l determine the cause of the unceupling.

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EPOWER OTHER STATUS IS OV RY DISCOVERY DESCRIPTION W@ l0 l 1 l 3 l@l NA l

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