ML19289F336

LER 79-064/03L-0 on 790503:cooling Water Line to Superchargers on 1H Diesel Developed Leak at Threaded Connection.Possibly Caused by Incomplete Cleaning of Threads & Insufficient Torquing of Connection During Installation

ML19289F336
Person / Time
Site:	North Anna
Issue date:	06/01/1979
From:	Cartwright W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19289F334	List: ML19289F333 ML19289F336 ML19289F337
References
LER-79-064-03L, LER-79-64-3L, NUDOCS 7906070245
Download: ML19289F336 (1)

Text

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E V E N T DE SCH: P TIOf J Ar.O PRO:$ Ai!LL CONSEQUENCES h o A 3/4 inch coolInn water line to the supercharters on the 111 diesel developed a leak I

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g public. Reportable pursuant to T.S. 6.9.1.9.b. I' nit 2 has similar equipment and l g l O 7 l could experience this problem. There are no generic implications. [

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O l1 l0 jg 37 CAUSE DESCRIP flON AND CORRECTIVE ACTIONS h i o l Cause could not be preciselv deternined. Tt is felt that the leakane was due to in- 1 li l1 l coculete cleaning of threads and insufficient totautne of the conneerton ne r1 n nF I Removed ploe. cleaned threads, pressure tested pipe. doned threads I y I installation.

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