05000282/LER-1980-014, Forwards LER 80-014/03L-0

Forwards LER 80-014/03L-0

ML19309H589
Person / Time
Site:	Prairie Island
Issue date:	05/09/1980
From:	Mayer L NORTHERN STATES POWER CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19309H590	List: 05000282/LER-1980-014, Forwards LER 80-014/03L-0 05000282/LER-1980-014-03, /03L-0:on 800410,during Surveillance Test,One Overpower Delta T Setpoint Was Found to Trip About 70% Above Desired Setpoint.Caused by Intermittent Capacitor.Capacitor Was Replaced
References
NUDOCS 8005130540
Download: ML19309H589 (1)

LER-1980-014, Forwards LER 80-014/03L-0

Event date:
Report date:
2821980014R00 - NRC Website

text

80 0513 0 5f0 NSID 3

NORTHERN STATES POWER COMPANY min N ar re u S. MIN N E SOTA 88401 May 9, 1980 Mr J G Keppler Office of Inspection & Enforcement U 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 One Unit No. 1 Delta T Setpoint Found Out of Specifications in Surveillance Test I

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 loss of one instrument channel resulted in operation in a degraded mode permitted by Technical Specification 3.5.C.

Yours very truly, M ws pr e f%.

p L 0 Mayer, PE Manager of Nuclear Support Services LOM/DMM/ak cc:

Director, IE, USNRC (30)

Director, MIPC, USNRC (3)

MPCA Attn: J W Ferman

- over-