05000272/LER-1981-003-03, /03L-0:on 810109,component Cooling Water Heat Exchanger 12 Removed from Svc.Caused by Repair of Leaking Pipe Nipple at Weld Connecting Svc Water Drain Valve 12SW124 W/Heat Exchanger Tube Sheet.Nipple Replaced & Weld Reworked

/03L-0:on 810109,component Cooling Water Heat Exchanger 12 Removed from Svc.Caused by Repair of Leaking Pipe Nipple at Weld Connecting Svc Water Drain Valve 12SW124 W/Heat Exchanger Tube Sheet.Nipple Replaced & Weld Reworked

ML18085A791
Person / Time
Site:	Salem
Issue date:	02/05/1981
From:	Steele W Public Service Enterprise Group
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18085A789	List: 05000272/LER-1981-003, Forwards LER 81-003/03L-0 05000272/LER-1981-003-03, /03L-0:on 810109,component Cooling Water Heat Exchanger 12 Removed from Svc.Caused by Repair of Leaking Pipe Nipple at Weld Connecting Svc Water Drain Valve 12SW124 W/Heat Exchanger Tube Sheet.Nipple Replaced & Weld Reworked
References
LER-81-003-03L, LER-81-3-3L, NUDOCS 8102100639
Download: ML18085A791 (1)

LER-1981-003, /03L-0:on 810109,component Cooling Water Heat Exchanger 12 Removed from Svc.Caused by Repair of Leaking Pipe Nipple at Weld Connecting Svc Water Drain Valve 12SW124 W/Heat Exchanger Tube Sheet.Nipple Replaced & Weld Reworked

Event date:
Report date:
2721981003R03 - NRC Website

text

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LICENSEE EVENT REPORT CONTROL BLOCK: I 10 (PLEASE PRINT OR TYP.L REQUIRED INFORMATION!

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LICENSEE CODE 14 15 L:CENSE NUMBER 25 26 LICENSE TYPE JO 57 CAT 58 CON'T C9.:EJ 7

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=~~~~~ L!J© I o I s I o I o I o I 2 I 1 I 2 101 o 11 I o I 9 I 8 11 101 o I 60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 EVENT DESCRIPTION AND PROBABL.E CONSEQUENCES@

2101s 1s1110 REPORT DATE r'.J I During normal operation at 0800 hours0.00926 days <br />0.222 hours <br />0.00132 weeks <br />3.044e-4 months <br /> on 1/9/81, the #12 CCWHX was removed from

(]JI] I service to repair a leaking pipe nipple which connects the Service Water drain valve

[]JI] I 12SW124 with the Heat Exchanger Tube Sheet.

Action Statement 3.7.3.1 was entered [QJ]J I since two operable CCW loops were not available for plant service IAW Technical [QJ!J I Specification requirements.

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CODE l=.J 1010131 10131 23 24 26 2 7

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20 l=J 31 ACTION FUTURE TAKEN ACTION EFFECT ON PLANT SHUTDOWN

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ATIACHMENT NPRD-4 PRIME COMP.

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CAUSE DESCRIPTION AND CORRECTIVE ACTIONS @

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. 47 I The weld connecting the Monel metal tube sheet and the carbon steel pipe nipple was

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The nipple was replaced and the welded connection completely reworked.

A [ITTI Design Change has been initiated which will replace the carbon steel with one made o::::r:D of Monel metal will allow a better fusion of the weld.

The Action Statement was rIIIJ terminated at 1400 hours0.0162 days <br />0.389 hours <br />0.00231 weeks <br />5.327e-4 months <br /> on January 11, 1981.

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9 80 METHOD OF DISCOVERY DESCRIPTION @

DISCOVERY

~@I Operator Observation 44 45 46 80 LOCATION OF RE.LEASE @

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STATUS

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