05000254/LER-1978-031, Forwards LER 78-031/03L-0

Forwards LER 78-031/03L-0

ML19305A094
Person / Time
Site:	Quad Cities
Issue date:	12/14/1978
From:	Kalivianakis N COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML19305A095	List: 05000254/LER-1978-031, Forwards LER 78-031/03L-0 05000254/LER-1978-031-03, /03L-0 on 791122:pressure Switch 1-5600-PS-3 to Failed During electo-hydraulic Control Pressure Sensor Functional Surveillance Due to Setpoint Drift.Switch Was Recalibr
References
NJK-78-719, NUDOCS 7901040119
Download: ML19305A094 (1)

LER-1978-031, Forwards LER 78-031/03L-0

Event date:
Report date:
2541978031R00 - NRC Website

text

,

D

.[O-Commonwealth Edison Outd Citics Nucl2ar Powsr St1 tion n. ;^~)

22710 206 Avenue North c

Cordova, Illinois 61242 Telephone 309/654-2241 NJK-78-719 December 14, 1978 J. Keppler, Regional Di rector Office of Inspection and Enforcement Region lil U.S. Nuclear Regulatory Commission 799 Roosevelt Road Glen Ellyn, IL 60137

Reference:

Quad-Ci ties Nuclear Power Station Docket No. 50-254, DPR-29, Uni t 1 Appendix A, Sections 3.1.A. and 6.6.8.2.a.

Enclosed please find Reportable Occurrence Report No. RO 78-31/03L for quad-Ci ties Nuclear Power Station.

j This report is submitted to you in accordance with the requirements of Technical Specification 6.6.B.2.a, as a reactor protection system In-strument setting which was found to be less conservative than that established by the technical specifications but which did not prevent t h.3 fulfillment of the functional requirements of the affected system.

Very truly yours, COMMONWEALTH EDISON COMPANY QUAD-CITIES NUCLEAR POWER STATION

')

/b pWf N.J. Kalivianakis

/

Station Superintendent NJK/JCV/aaa cc:

M.S. Turbak DEC.; 01979

'1/

Ob \\

790104O\\\\S