05000282/LER-1980-002, Forwards LER 80-002/03L-0

Forwards LER 80-002/03L-0

ML19260D604
Person / Time
Site:	Prairie Island
Issue date:	02/06/1980
From:	Mayer L NORTHERN STATES POWER CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19260D605	List: 05000282/LER-1980-002, Forwards LER 80-002/03L-0 05000282/LER-1980-002-03, /03L-0:on 800107,during Surveillance Test of Diesel Generator D-1,relay Misoperation Occurred Which Would Have Prevented Automatic Synchronization of Generator Onto Bus 15.Caused by Stuck Relay Plunger.Plunger Freed
References
NUDOCS 8002110498
Download: ML19260D604 (1)

LER-1980-002, Forwards LER 80-002/03L-0

Event date:
Report date:
2821980002R00 - NRC Website

text

NSP NORTHERN STATES 10 0WER COMPANY M I N N E A r*O u e.

,,, N E S OT A 55409 February 6, 1980 Mr J G Keppler Mfice of Inspection & Enforcement L S Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137

Dear Mr Keppler:

PRAIRIE ISLAND NUCLEAR GENERATING PLANT Docket No. 50-282 License No. DPR-42 50-306 60 D1 Diesel Generator Relay Misoperation The Licensee Event Report for this occurrence is reproduced on the back of this letter.

Enclosed are three copies.

This event is reported in compliance with Technical Specification 6.7.B.2(b) in that the condition resulted in operation in a de-graded mode permitted by a limiting condition for operation.

Yours very t ruly,

+ _

_o-I/0 kaye anager of Nuclear Support Services LOM/ JAG /ak cc:

Director, IE, USNRC (30)

Director, MIPC, USNRC (3)

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MPCA Attn:

J W Ferman

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