05000263/LER-1979-001, Forwards LER 79-001/03L-0

Forwards LER 79-001/03L-0

ML19261A796
Person / Time
Site:	Monticello
Issue date:	02/02/1979
From:	Mayor L NORTHERN STATES POWER CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML112760121	List: 05000263/LER-1979-001, Forwards LER 79-001/03L-0 05000263/LER-1979-001-03, /03L-0 on 790110:during Normal Operation,Steam Leak Found in Elbow on Turbine Main Steam Bypass Header 1 Inch Drain Line to Condenser,Due to Erosion Caused by Steam & Water Flow of Restricting orifice,RO-2569
References
NUDOCS 7902080183
Download: ML19261A796 (1)

LER-1979-001, Forwards LER 79-001/03L-0

Event date:
Report date:
2631979001R00 - NRC Website

text

NSP NORTHERN STATES POWER COMPANY M I N N E A PO L.t e, M I N N E G OTA 55401 February 2, 1978 Mr J G Keppler Office of Inspection & Enforcement U S Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137

Dear Mr Keppler:

MONTICELLD NUCLEAR GENERATING PLANT Docket No. 50-263 License No. DPR-22 Bypass Header Drain Line Steam Imak 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(d) since it represents abnormal degradation of a main steam system component.

Yours very truly, k\\A t froA L 0 Mayer, PE Manager of Nuclear Support Services LOM/DMM/deh cc: Director, IE, USNRC (30)

Director, MIPC, USNRC (3)

MPCA Attn: J W Fernan gT U 4' \\

7902080 /83

_ oyer _

S