ML20085L742

Forwards LERs 75/003A & 75/003B

ML20085L742
Person / Time
Site:	Fort Saint Vrain
Issue date:	05/13/1976
From:	Swart F PUBLIC SERVICE CO. OF COLORADO
To:	Howard E NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20085L744	List: 05000267/LER-1975-003, LER 75/003B:on 760112,plant Instrument Bus 2 Tripped, Tripping One Circulator in Each Loop on Buffer Upset & Other Loop 2 Circulator on Loss of Bearing Water.Caused by Loss of Power.Buffer Sys Valve Failure Mode Changed ML20085L742 ML20085L761 ML20085L767 ML20085L772
References
P-76107, NUDOCS 8311020438
Download: ML20085L742 (1)

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Mr. E. Morris Howard, Director Nuclear Regulatory Commission Region IV Office of Inspection and Enforcement Suite 1000 Arlington, Texas 76012 REF: Facility Operating Licensa No. DPR-34 Docket No. 50-267

Dear Mr. Howard:

Enclosed please find a copy of Unusual Event Report No. 50-267/75/03A, Supplement and Unusual Event Report No. 50-267/75/03B, Supplement, sub-mitted per the requirements of the Technical Specifications.

Also please find enclosed one copy of the Licensee Event Report for Unusual Event Report No. 50-267/75/03A and one copy of the Licensee Event Report for Unusual Event Report No. 50-267/75/03B.

Very truly yours, eLded Frederic E. Swart Superintendent, Nuclear Production Fort St. Vrain Nuclear Generating Station FES/alk cc:

Mr. Roger S. Boyd g1020438760513 S

ADOCK 05000267 PDR M/9