ML19308A831

Forwards Repts Re Unusual Event on 730404 & 05

Date released: 11/18/2019	Download: ML19308A831

Unusual Event:On 730404,during Safeguards Test,Reactor Bldg Spray Valves BS-1 & BS-2 Failed to Open on Signal.Caused by Tight Seating.Sign Do Not Jam Valve Closed by Hand Posted. Operating Procedures Modified

ML19308A842
Person / Time
Site:	Oconee
Issue date:	04/04/1973
From:	DUKE POWER CO.
To:
References
Download: ML19308A842 (1)

Ro:On 730405:operating Mechanism Failed to Fully Open Core Flood Line Isolation Valve CF-1.External Limit Switch Installed on Each Valve.Other Core Flood Isolation Valves & Engineered Safeguards Valves Checked

ML19308A833
Person / Time
Site:	Oconee
Issue date:	05/04/1973
From:	DUKE POWER CO.
To:
References
Download: ML19308A833 (1)

Forwards Repts Re Unusual Event on 730404 & 05

ML19308A830
Person / Time
Site:	Oconee
Issue date:	05/04/1973
From:	Thies A DUKE POWER CO.
To:	GIAMBUSSO A US ATOMIC ENERGY COMMISSION (AEC)
References
Download: ML19308A830 (2)