ML20084S413

Telecopy Ro:On 760330,suppression Chamber Water Level Instrumentation Found Miscalibrated.Suppression Chamber Water Level Immediately Returned to Normal.Addl Info Will Be Submitted in RO 50-265/76-04 within 14 Days

ML20084S413
Person / Time
Site:	Quad Cities
Issue date:	03/30/1976
From:	Kalivianakis N COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20084S411	List: ML20084S413
References
RO-50-265-76-04, RO-50-265-76-4, NUDOCS 8306160728
Download: ML20084S413 (2)

Text

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. g. ff 1ctcphone 309/654-2241 g NJK-76-IIO- f T21ecopy: Regfon iiI, Attentlon: Mr. C. Feiernbend L

March 30, 1976 1

J. Keppler, Regional Dlrector i Offica of Inspection and Enforcement i Region ill

• U S. Hucicar Regulatory Comnission 799 Roosevelt Road f'

Glen Ellyn, . illinois 60137 <

Refcrence: Quad-Cities Nuclear Power Station, Unit 2 Docket No. 50-265, OPR-30 h Appendix A.. Sections 3.7 A.1.b, 6.6.B. I .6 E.

y Door Mr. Keppier: L The purpose of this letter is. to provide you with notification of a Report- .

cblo Occurrence as required by. Technical Specificatico 6.6.8.1 within 24 T hours of the occurrence. h h

On March 30, 1976, the Suppression Chamber water Icvc1 instrumentation I was found to be mi scalibrated by Instrument Maintenance personnel performing i e routine surveifiance. Prior to the instruments' recalibration it Indicated tfat the Suppression Chamber level was -0.8 inches whfic actually the Suppression Chamber level was -2.8 inches. The Suppression. Chamber water

{i icval was Inanediately" returned to normal . }

This occurrence was discussed by telephone with Mr. R. Knop of your office cn March 30,1976. Further information will be provided by Reportable f

$1 Occurrcnce Report RO 50-265/76-4 which will be submitted within.14 days sf tha date of this occurrence. {

V ry truly yours,

@0HMONVEALT11 EDISON COMPANY

@UAD-C. TIES NUCLEAR. POWER. STATION

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..J. Kalivianakis ,

,St tion Superintendent NJK/CJK/Ik. -

I 3c: G. A. Abrell 8306160723 760413 PDR ADGCK 05000265 S PDR 3

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= NUCLEAlt itEGUI A10llY COMMISSION HLGION lli 799 f100sl.VI t.T HO AD CLt N FLLYtJ ILLINOIS 60lJ7 Incident Noti fication Frem: Commorucalth Edison Company 50-265 (Licensec & Docket No. (or License No.))

Transmittal Date: April 14,1976 Quad-Cities Unit #2 Dist ribution : Distribution:

IE Chief, FOSB IE Chie f, FOSB IE Chief, FC6EB IE Chie f, FC&EB IE:llQ(4) IE:llQ(4)

Licensing (4) L:D/D for Fuels & Materials DR Central Files DR Central Files TE Files IE Files e

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