ML20092K504

Special Rept:On 920204,main Steam Line Radiation Monitor 2EMF13 Failed 18-month Channel Calibr & Declared Inoperable.Caused by Faulty Output Module.Spares Installed & Monitor Declared Operable on 920217

ML20092K504
Person / Time
Site:	Catawba
Issue date:	02/18/1992
From:	Tuckman M DUKE POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9202250219
Download: ML20092K504 (2)

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- > f r. '- ti n Vl *t l \ f 61+ r g n w,fn l DUKl l'O%Til February 18, 1992 U. S. Nuclear llegulatory Commission NITN: Document Control Desk Washington, DC 20$55

Subject:

Catawba Nuclear Station, Unit 2 Docket No. 50-414 Special lteport 2ilh1F13 Inoperable Greater Than 7 Days Fursuant to Technical Specification 3.3.3.6, find attached a Special lleport concerning the inoperability of the Unit 2 hiain Steam Line Itadiation hionitor (211h1F13).

Very truly yours,

, Y\&'}

hl. S. Tuckman CitlJ211h1F1321.792 h

Attachment xc: S. D. libneter

!!cgional Administrator, llegion 11 11.11. h1artin, ONitit W. T Orders Senior itesident inspector pgl22502199popjg f g ADOCK 05000434 PDR s

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SPliCI Al. IlliPol(T CATAWilA NUCl.11 Alt STATION hiain Steam 1.ine Itadietion hionitor (211h1F13) Inoperable The hiain Steam Une Radiation hionitor (211hiF13) failed its 18 month channel calibration and was declared inoperable on February 4,1992. Trouble shooting isolated the output module as the source of the problem. No replacement output modules were on site Two output modules and detectors had been returned to the original equipment manufacturer in late November /carly December. These parts had been repaired by the vendor but were still l waiting to be calibrated They had not been returned to Catawba as of February 5,1992, The vendor was contacted on February 5.1992 and requested to rush delivery of the needed spares. The spares were received on February 12, 1992. The parts were installed and 211hiF13 was declared operable on February 17, 1992.

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