05000287/LER-1982-009-01, /01T-0:on 820804,during Refueling Insp of Reactor Coolant Pump,Five Closure Studs Found Degraded in Size Below Tech Spec Min.Caused by Boric Acid Corrosion Due to Closure Gasket Leakage.Studs Replaced

/01T-0:on 820804,during Refueling Insp of Reactor Coolant Pump,Five Closure Studs Found Degraded in Size Below Tech Spec Min.Caused by Boric Acid Corrosion Due to Closure Gasket Leakage.Studs Replaced

ML20027B462
Person / Time
Site:	Oconee
Issue date:	09/10/1982
From:	Petty J DUKE POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML20027B461	List: 05000287/LER-1982-009, Forwards LER 82-009/01T-0.Detailed Event Analysis Encl 05000287/LER-1982-009-01, /01T-0:on 820804,during Refueling Insp of Reactor Coolant Pump,Five Closure Studs Found Degraded in Size Below Tech Spec Min.Caused by Boric Acid Corrosion Due to Closure Gasket Leakage.Studs Replaced
References
LER-82-009-01T-01, LER-82-9-1T-1, NUDOCS 8209210048
Download: ML20027B462 (1)

LER-1982-009, /01T-0:on 820804,during Refueling Insp of Reactor Coolant Pump,Five Closure Studs Found Degraded in Size Below Tech Spec Min.Caused by Boric Acid Corrosion Due to Closure Gasket Leakage.Studs Replaced

Event date:
Report date:
2871982009R01 - NRC Website

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41 42 45 44 er CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h l i j o l lThe closure studs degraded because of boric acid corrosion due to a closure l

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,,,;g l i l 2 l lThe closure stud inspection procedure will be reviewed to determine if it needs l l i l 3 l l to be revised to specify the stud position to be measured.

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