05000010/LER-1979-002, Forwards LER 79-002/03L-0

Forwards LER 79-002/03L-0

ML19225B516
Person / Time
Site:	Dresden
Issue date:	07/13/1979
From:	Stephenson B COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19225B517	List: 05000010/LER-1979-002, Forwards LER 79-002/03L-0 05000010/LER-1979-002-03, /03L-0 on 780825:during Monthly Surveillance DI5 5400-2,offgas Monitor 1 Tripped at Greater than 100%, Which Is Not within Setpoint Limit.Caused by Instrument Drift.Setpoint Recalibr
References
79-564, NUDOCS 7907250284
Download: ML19225B516 (1)

LER-1979-002, Forwards LER 79-002/03L-0

Event date:
Report date:
0101979002R00 - NRC Website

text

Commonwealth Edison

'O/4's Dresden Nuclear Power Station R.R. # 1 Merris, tilinois 60450 Telephone 815/942-2920 July l'3, 1979 BBS LTR #79-564 James G. Keppler, Regional Director Directorate of Regulatory Operations - Region III U.S. Nuclear Regulatory Commission 799 Roosevelt Road Glen Elly, IL 60137 on 8-25-78 Unit-1 Off Cas #1 Monitor Trip Circuit Drift Event, Deviation No. D-12-1-78-52, was classified non-reportable.

Subsequent review, this date, has reclassified this event as a reportable occurrence.

Ref. Tech.

Spec. 3.2.C.1.

Reportable Occurrence Report #79-02/03L-0, Docket #050-010 is hereby sub-mitted to your office in accordance with Dresden Nuclear Power Station Technical Specification 6.6.B.2. (b), conditions leading to operation in a degraded mode permitted by a limiting condition for operation or plant shutdown required by a limiting condition for operation.

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J't'epheson

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MW B. S Station Superinterdent Dresden Nuclear Power Station BBS:lcg Enclosure cc: Director of Inspection & Enforcement Director of Management Information & Program Contr>l 7 (;

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