05000366/LER-1980-154-03, /03L-0:on 801106,during Cold Shutdown,Tests of Primary Feedwater Isolation Valves 2B21-FO10A & 2B21-FO77A Revealed That Total Leakages Exceeded Tech Spec Limits. Caused by Scratches on Valve Seat.Valve Seat Polished

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05000366/LER-1980-154-03, Total Leakage Rate Exceeded Allowable Limit for Bypass Path Penetrations.Caused by Scratches & Debris on Seat of Valves.Valve Seats Polished & Cleaned

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