ML19263C990

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Forwards LER 79-003/01T-0
ML19263C990
Person / Time
Site: Monticello Xcel Energy icon.png
Issue date: 03/15/1979
From: Mayer L
NORTHERN STATES POWER CO.
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML112780152 List:
References
NUDOCS 7903200402
Download: ML19263C990 (1)


Text

NSP NORTHERN STATES POWER COMPANY M 8 N N E A PO LI S. M I N N E S OTA 55401 March 15, 1979 Mr J G Keppler Office of Inspection & Enforcemer.t U S Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137

Dear Mr Keppler:

MONTICELLO NUCLEAR GENERATING PIANT Docket No. 50-263 License No. DPR-22 Ven. Isolation Valve Design Problem The Licensee Event Report for this occurrence is reproduced on the back of this letter. Enclosed are three copies.

This event is reported in accordance with Technical Specification 6.7.B.1.1 in that components were found which may perform in a less con-servative manner than that assumed in safety analyses.

Yours very truly,

    • ' ,c o .s_

L 0 Mayer, PE Manager of Nuclear Support Services LOM/DMM/dch cc: Director, IE, USNRC (40)

Direciar, MIPC, USNRC (3)

MPCA Attn: J W Ferman

-over-790320040'}