05000259/LER-1980-004-01, /01T-0:on 800118,during Refueling Outage,Ndt Insp Revealed Linear Indication 7/8 Inch Long in Reactor or Water clean-up Sys Weld DRWC-1-2.Cause Unknown.Defect Will Be Removed & Weld Repaired Prior to Startup

/01T-0:on 800118,during Refueling Outage,Ndt Insp Revealed Linear Indication 7/8 Inch Long in Reactor or Water clean-up Sys Weld DRWC-1-2.Cause Unknown.Defect Will Be Removed & Weld Repaired Prior to Startup

ML19257D866
Person / Time
Site:	Browns Ferry
Issue date:	01/31/1980
From:	TENNESSEE VALLEY AUTHORITY
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19257D860	List: 05000259/LER-1980-004, Forwards LER 80-004/01T-0 05000259/LER-1980-004-01, /01T-0:on 800118,during Refueling Outage,Ndt Insp Revealed Linear Indication 7/8 Inch Long in Reactor or Water clean-up Sys Weld DRWC-1-2.Cause Unknown.Defect Will Be Removed & Weld Repaired Prior to Startup
References
LER-80-004-01T, LER-80-4-1T, NUDOCS 8002060641
Download: ML19257D866 (2)

LER-1980-004, /01T-0:on 800118,during Refueling Outage,Ndt Insp Revealed Linear Indication 7/8 Inch Long in Reactor or Water clean-up Sys Weld DRWC-1-2.Cause Unknown.Defect Will Be Removed & Weld Repaired Prior to Startup

Event date:
Report date:
2591980004R01 - NRC Website

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8 EVENT OESCRIPTION AND PROB ABLE CONSEQUENCES h l With unit in scheduled refueling outaRe. routine in-service NDT inspection (Ultrasonic]

o 2 l o l 3 l l_ revealed a linear indication in Reactor Water clean-up system weld number DRWC-1-2.

,o;4, lThe indication was about 7/8" long. There was no danger to health or safety of l

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1<J. ntif: ration.ind lice.cription of Occurr ence With unit in scheduled refueling outage, routine in service inspection (Ultrasonic inspection) revealed a linear indication in reactor water cican-up weld DRWC-1-2.

Linear indication was approximately 7/8" long.

Con e F 'i,n t Pry r to Occurrence U-1 in refueling outage.

U-2 at 98% power.

U-3 scram recovery.

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