ML20028E695

Updated LER 82-046/03X-1:on 821112,during Routine Insp,Water Discovered Spraying from 1-inch Drain Line Off Bottom of 3A Feedwater Isolation Valve MO3-3206A.Caused by Cracked Weld. Drain/Line Removed & Refitted

ML20028E695
Person / Time
Site:	Dresden
Issue date:	12/17/1982
From:	Christel B COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20028E687	List: ML20028E686 ML20028E695
References
LER-82-046-03X, LER-82-46-3X, NUDOCS 8301280125
Download: ML20028E695 (2)

Text

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l nni. runne m U. L NUCLEAR CSIULAr0RY -

W l.lCENSEE EVENT REPORT 0

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75 se tvENT DesCMIPTION A7WO PROSASLE CONSEQUENCES h ,

ITTTI l Deirine normal plant operation while performing routine plant inspection, water dis- t *

[TTTl I covered spraving from the one inch drain line off of the bottom of 3A Feedwater Reg. I g iIsolation Valve. Mo3-3206A (T.S. 6.6.B.2.d). Event of minimal safety significance I lsince all leakage was contained in Turbine Building floor drain sumps. No effect on I l u te l I nnb1 f c henith or saferv. previous similar occurrences on Unit 3 were reported bv i loi7I lP n. R2-19 nnd 82-25 nn nncket 50-249. I ITTTl I I 8v'T.'."

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CAuss cascatpT1oN AND CORRECTIVE ACTIONS h gijatlThe leakage was caused by a cracked weld at the one inch drain line connection to g iiiii[M03-3206A. The drain line was removed and refitted using a sock-o-let to provide g l additional reinforcement.. System integrity continues to be verified by routine g g l inspections by Operating. l titalI i

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B. Christel 815-942-2920, X-421 o NAME OF **EP ARER PHONE: $ [

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. SUPPLEMENT TO DVR -

DVR No. .

1 STA UNIT. YEAR NO.

O- 12 -

3 - 82 - 77 PART I l TITLE OF EVENT OCCURRED Leak on 3A Feedwater Reg. Valve Drain Line REASON FOR SUPPLEMENTAL REPORT Revised cause description

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DATE I 1 8+' ?L / .- /3 ' / -/3-6<3 SUPPLEMENTAL REPORT APPROVED g/ [

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