05000237/LER-1979-031-03, /03L-0 on 790509:crack Found on 2D1 Feedwater Emergency Spill to Condenser Line & Crack Located on Pipe to Condenser Weld.Caused by Mechanical Failure.Cracked Portion Removed & Rewelded

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/03L-0 on 790509:crack Found on 2D1 Feedwater Emergency Spill to Condenser Line & Crack Located on Pipe to Condenser Weld.Caused by Mechanical Failure.Cracked Portion Removed & Rewelded
ML19259C124
Person / Time
Site: Dresden Constellation icon.png
Issue date: 06/07/1979
From: Jansen T
COMMONWEALTH EDISON CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17173A905 List:
References
LER-79-031-03L-03, LER-79-31-3L-3, NUDOCS 7906120385
Download: ML19259C124 (1)


LER-1979-031, /03L-0 on 790509:crack Found on 2D1 Feedwater Emergency Spill to Condenser Line & Crack Located on Pipe to Condenser Weld.Caused by Mechanical Failure.Cracked Portion Removed & Rewelded
Event date:
Report date:
2371979031R03 - NRC Website

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8 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROB ABLE CONSEQUENCES h Iol21 During routine inspection, crack found on the 2D1 feedwater heater emergency spill to l condenser line (2-3509A-6).

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37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS l 3 g o l l Precise cause unknown but probably mechanical failure assisted by long term vibration. l l Cracked portion of weld removed and rewelded. No further corrective action deemed l

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