ML19262A938

Forwards LERs 79-050/03L-0,79-051/03L-0,79-052/03L-0 & 79-054/01T-0

Date released: 10/03/2019	Download: ML19262A938

LER 79-054/01T-0:on 791119,notified by Westinghouse That Possibility Exists That Current Negative Rate Trip Setpoints May Not Provide Reactor Trip During Single or Multiple Rod Drop Events.Caused by Designer Calculation Errors

ML19262A942
Person / Time
Site:	Farley
Issue date:	12/03/1979
From:	Hairston W ALABAMA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
Download: ML19262A942 (1)

LER 79-052/03L-0:on 791106,refueling Water Storage Tank Declared Inoperable When Water Vol Fell Below Tech Specs. Caused by Drift Problems on Level Transmitters.Transmitters Undergoing Repairs

ML19262A941
Person / Time
Site:	Farley
Issue date:	12/03/1979
From:	Hairston W ALABAMA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
Download: ML19262A941 (1)

LER 79-051/03L-0:on 791103,during Surveillance Test on Turbine Driven Auxiliary Feedwater Pump,Pump Tripped on Overspeed.Caused by Misadjustment of Manual Speed Due to Leak of Position Markings.Manual Control Adjusted

ML19262A940
Person / Time
Site:	Farley
Issue date:	12/03/1979
From:	Hairston W ALABAMA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
Download: ML19262A940 (2)

LER 79-050/03L-0:on 791107,trip Bistables for Pressurizer Pressure Transmitter PT455 Not Tripped Before Pressurizer Level Transmitter 459 Root Valves Closed.Caused by Personnel Error.Matter to Be Discussed W/Operations Personnel

ML19262A939
Person / Time
Site:	Farley
Issue date:	12/03/1979
From:	Hairston W ALABAMA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
Download: ML19262A939 (3)

Forwards LERs 79-050/03L-0,79-051/03L-0,79-052/03L-0 & 79-054/01T-0

ML19262A937
Person / Time
Site:	Farley
Issue date:	12/03/1979
From:	Clayton F ALABAMA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
Download: ML19262A937 (1)