05000220/LER-1981-023-03, /03L-0:on 810603,while Performing Local Leak Rate Testing,During Refueling Outage,Torus Vacuum Breaker Valve 68-08 Failed to Meet Tech Spec Requirements.Caused by Worn Seating & Packing Matl.Rubber Goods Replaced

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/03L-0:on 810603,while Performing Local Leak Rate Testing,During Refueling Outage,Torus Vacuum Breaker Valve 68-08 Failed to Meet Tech Spec Requirements.Caused by Worn Seating & Packing Matl.Rubber Goods Replaced
ML20009A652
Person / Time
Site: Nine Mile Point Constellation icon.png
Issue date: 07/02/1981
From: Randall R
NIAGARA MOHAWK POWER CORP.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20009A649 List:
References
LER-81-023-03L, LER-81-23-3L, NUDOCS 8107130438
Download: ML20009A652 (1)


LER-1981-023, /03L-0:on 810603,while Performing Local Leak Rate Testing,During Refueling Outage,Torus Vacuum Breaker Valve 68-08 Failed to Meet Tech Spec Requirements.Caused by Worn Seating & Packing Matl.Rubber Goods Replaced
Event date:
Report date:
2201981023R03 - NRC Website

text

NRC FORM 364 U.S. NUCLEAR REIULATORY COMMISSION 87 771~

LICENSEE EVENT REPORT

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60 81 DOCKET NUMBER 68 63 dVENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h 10 l a l l During a refueling outage, while performing local leak rate testing, Reactor l

ml Building 'to Torus Vacuum Breaker Balbe 68-08 failed to meet the Tech Spec leak l

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Afene -ninenn-l ance the valve was successfully local leak rate tested.

The site is investigating; i,,,; l i1 12i l a preventative maintenance program such as periodic replacement of rubber goods gl to preclude further failures of this Allis Chalmers 30" bu:terfly valve.

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