ML19262A937

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)
Shared Package
ML19262A938	List: 05000348/LER-1979-050-03, /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 05000348/LER-1979-051-03, /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 05000348/LER-1979-052-03, /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 05000348/LER-1979-054-01, /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 ML19262A937
References
NUDOCS 7912110335
Download: ML19262A937 (1)

Text

Alabama Power Company 600 Nort?' 18th $!reet Post Offica Dox 2641 Birmmgha n Alaoama 35291 Telephone 205 323-5341 m

F. L CLAYTCN, JR.

ObO@O bWOf Senior Vice President the southern electrc s, stern Dacember 3, 1979.

Docket No. 50-348 U. S. Nuclear Regulatory Commis-a Offi:e of Inspection and Enforc ;ent Region II

~

101 Marietta Street, N.W.

Suite 3100 Atlanta, Georgia 30303

Dear Sir:

Joseph M. Farley Nuclear Plant, Unit 1, Licensee Event Reports Nos.

LER 79-050/03L-0, LER 79-051/03L-0, LER 79-052/03L-0 and LER 79-054/0lT-0 are forwarded herewith with three (3) copies each, in accordance with FNP Technical Specification 6.9 to provide thirty (30) and fourteen (14) days written notification of the occurrences.

If you have any questions, please advise.

Yours very truly,

/

Af

. M n

F. L. Clayton, Jr.

FLCJr/TNE:bhj Enclosures cc: Director, IE (30 copies - 30 day report)

(40 copies - 14 day report)

Director, MIPC (3 copies - Both reports)*

1528 129 po

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