05000324/LER-1980-037-03, /03L-0:on 800502,while Removing Control Rod Driveline for Maint,Metal Bracing Fell on Cable for Intermediate Range Monitor B,Causing Separation from Connector.Cause Not Stated.Connector Replaced

/03L-0:on 800502,while Removing Control Rod Driveline for Maint,Metal Bracing Fell on Cable for Intermediate Range Monitor B,Causing Separation from Connector.Cause Not Stated.Connector Replaced

ML19312E171
Person / Time
Site:	Brunswick
Issue date:	05/30/1980
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19312E168	List: 05000324/LER-1980-037, Forwards LER 80-037/03L-0 05000324/LER-1980-037-03, /03L-0:on 800502,while Removing Control Rod Driveline for Maint,Metal Bracing Fell on Cable for Intermediate Range Monitor B,Causing Separation from Connector.Cause Not Stated.Connector Replaced
References
LER-80-037-03L, LER-80-37-3L, NUDOCS 8006030399
Download: ML19312E171 (1)

LER-1980-037, /03L-0:on 800502,while Removing Control Rod Driveline for Maint,Metal Bracing Fell on Cable for Intermediate Range Monitor B,Causing Separation from Connector.Cause Not Stated.Connector Replaced

Event date:
Report date:
3241980037R03 - NRC Website

text

_ _. _ _ _ _ _ _ _ _ _ _ _ _ _ _ _. _ _ _ _ _ _ _ _ _ _

NHC FO",M 366 U. S. NUCLEAR REGULATORY COMMISSION (7 77)

LICENSEE EVENT REPORT CONTROL BLOCK l l

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(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATIONI i

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8 9 LICEre5EE CCOE 14 15 LICENSE NUYSER 2'>

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8 60 Si oOCKET NUYSER 68 63 EVENT DATE 14 75 PEPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h l o l 2 l l While removing a CRD unit for maintenance, a piece of metal bracine fell on the cabic I

for IRM "B",

separating it f rom its connector.

IRM "H" was inoperable at this time dud g 3 [to a power supply problem. Damage to IRM cables / connectors have occurred previous 1v I

n,

l o i s t f n this refueling outage as reported in LER 2-80-40.

This event did not affe-r %

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j o is l l health or safety of the publie-Technical Soecificatier.s 3. 3.1, 6. 9.1. %

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l i l o ] l The connector was replaced and the detector was returned to service.

Troubi mhootine I y l is continuing on IRM "H" and a supplement will be issued when the problem is identi-I fied and corrected.

g Protective skirts will be used around the Nuclear Instrument

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y cables during future outages to minimize cable damage.

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