ML20084S413

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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 Constellation icon.png
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:
References
RO-50-265-76-04, RO-50-265-76-4, NUDOCS 8306160728
Download: ML20084S413 (2)


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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 f

799 Roosevelt Road 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.

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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

{i Suppression Chamber level was -2.8 inches.

The Suppression. Chamber water icval was Inanediately" returned to normal.

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This occurrence was discussed by telephone with Mr. R. Knop of your office f

cn March 30,1976.

Further information will be provided by Reportable

$1 Occurrcnce Report RO 50-265/76-4 which will be submitted within.14 days

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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.

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G. A. Abrell 8306160723 760413 PDR ADGCK 05000265 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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