05000324/LER-1980-069-03, During Testing After Refueling W/Reactor Core Isolation Cooling Turbine Running & Pump at 250 Psig Discharge Pressure,No Flow Indicated on Reactor Core Isolation Cooling Flow 2-E51-FIC-R600

During Testing After Refueling W/Reactor Core Isolation Cooling Turbine Running & Pump at 250 Psig Discharge Pressure,No Flow Indicated on Reactor Core Isolation Cooling Flow 2-E51-FIC-R600

ML19345E200
Person / Time
Site:	Brunswick
Issue date:	12/17/1980
From:	Tollison A CAROLINA POWER & LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19345E198	List: 05000324/LER-1980-069, Forwards Updated LER 80-069/03L-1 05000324/LER-1980-069-03, During Testing After Refueling W/Reactor Core Isolation Cooling Turbine Running & Pump at 250 Psig Discharge Pressure,No Flow Indicated on Reactor Core Isolation Cooling Flow 2-E51-FIC-R600
References
LER-80-069-03L, LER-80-69-3L, NUDOCS 8012230443
Download: ML19345E200 (20)

LER-1980-069, During Testing After Refueling W/Reactor Core Isolation Cooling Turbine Running & Pump at 250 Psig Discharge Pressure,No Flow Indicated on Reactor Core Isolation Cooling Flow 2-E51-FIC-R600

Event date:
Report date:
3241980069R03 - NRC Website

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l U. S. NUCLE AR REGULATORY CCMMthbluN UPDATE REPORT: Previous Report ff R RM 366

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During the performance of required testing on the RCIC system followine the lo l2l l j

completion of a recent refueling / maintenance outage, with the RCIC turbine go 33 j ;

I 250 psig discharge pressure, no flow was indicated on go ja j l running and the pump at I

the RCIC flow indicator, 2-E51-FIC-R600. This event did not affect the health l

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LER ATTACHMENT - RO # 2-80-69 i

Facility: BSEP Unit Nb. 2 Event Date: 09-07-80 i'

An investigation revealed the RCIC flow controller power supply square root converter module, 2-E51-FY-K601, had been replaced with a test power supply module. A new square root converter module from stock was installed in place of the improperly inserted test power supply module and was calibrated per an approved plant maintenance instruction and the RCIC system was satisf actorily i-tested.

It is suspected the square root converter module was mistakenly replaced with the test power supply module during instrument maintenance performed during the outage. This incident was reviewed with all I&C personnel with emphasis on replacing any components with an acceptable replacement. Test power supplies will also be maintained under administrative control with a sign out require-j ment prior to removal from the test shop.

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