05000272/LER-1981-071, Forwards LER 81-071/03L-0.Detailed Event Analysis Encl

Forwards LER 81-071/03L-0.Detailed Event Analysis Encl

ML20030D023
Person / Time
Site:	Salem
Issue date:	08/19/1981
From:	Uderitz R Public Service Enterprise Group
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20030D025	List: 05000272/LER-1981-071, Forwards LER 81-071/03L-0.Detailed Event Analysis Encl 05000272/LER-1981-071-03, /03L-0:on 810720,containment Fan Coil Unit Declared Inoperable.No Svc Water Flow Noted at High Speed & Insufficient Flow at Low Speed.Caused by Equipment Failure. Flow Transmitter FA-3543Z-1 Sensing Line Blown Clear
References
NUDOCS 8108310316
Download: ML20030D023 (3)

LER-1981-071, Forwards LER 81-071/03L-0.Detailed Event Analysis Encl

Event date:
Report date:
2721981071R00 - NRC Website

text

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Ni 0 PSEG Public Service Electric and Gas Company 80 Park Plaza Newark, N..l. 07101 Phone 201/430-7000 August 19, 1981 i

1 Mr. Boyce H. Grier Director of USNRC Office of Inspection and Enforcement Region 1 631 Park Avenue King of Prussia, Pennsylvania 19406

Dear Mr. Grier:

LICENSE NO. DPR-70 DOCKET NO. 50-272 REPORTABLE OCCURRENCE 81-71/03L Pursuant to the requirements of Salem Generating Station Unit No. 1 Technical Specifications, Section 6.9.1.9.b, we are submitting Licensee Event Report for Reportable Occurrence 81-71/03L.

This report is required within thirty (30) days of the occurrence.

Sincerely yours, r$Nt f

R.

A. Uderitz General Manager -

Nuclear Production CC:

Director, Office of Inspection and Enforcement (30 copies)

Director, Office of Management Information and Program Control (3 copies)

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I, 8108310316 810919

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PDR ADOCK 05000272

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S PDR.ople 95 2001 (400M) 1-81

Report Number:

81-71/03L Report Date:

August 19, 1981 Occurrence Date:

7-20-81 Facility:

Salem Generating Station, Unit 1 Public Service Electric & Gas Company Hancocks Bridge, New Jersey 08038 IDENTIFICATION OF OCCURRENCE:

Containment Fan Coil Unit (CFCU) - Inoperable - No Service Water Flow.

This report was initiated by Incident Report 81-264.

CONDITIONS PRIOR TO OCCURRENCE:

Mode 1 - Rx Power 96% - Unit Load 1010 MWe DESCRIPTION OF OCCURRENCE:

On July 20, 1981, while attempting to place the No. 15 CFCU in in service the control room operator noticed that there was no service water flow at high speed and insufficient flow at low speed.

The CFCU was declared inoperable and action statement 3.6.2.3.a was entered at 1811 hours0.021 days <br />0.503 hours <br />0.00299 weeks <br />6.890855e-4 months <br />, July 20, 1981.

This occurrence constituted operation in a degraded mode in accord-ance with cochnical specification 6.9.1.9.b.

DESIGNATION OF APPARENT CAUSE OF OCCURRENCE:

Equipment failure.

The high pressure side of flow transmitter FA-3543Z-1 was plugged solid with silt.

ANALYSIS OF OCCURRENCE:

Technical specification 3.6.2.3.a requires with:

One group of containment cooling fans inoperable and both Containment Spray Systems operable, restore the inoperable group of cooling fans to operable status within 7 days or be in at least hot standby within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in cold shutdown within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

CORRECTIVE ACTION

Flow ifansmitter FA-3543Z-1 sensing line was blown clear and the transt

ter was recalibrated satisfactorily.

The No. 15 CFCU was tected satisfactory attd returned to service.

Action statement 3.6.2. 3. a was tenninated at 0050 hours5.787037e-4 days <br />0.0139 hours <br />8.267196e-5 weeks <br />1.9025e-5 months <br /> on July 21, 1981.

A program is currently in effect to blow down all transmitters at regular intervals.

i

LER 81-71/03L 8/19/81 FAILURE DATA:

Fisher and Porter Elow Transmitter Model Number 10B2495 Prepared By J. Varga

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• N' Manager - !!ialem Generating Station SORC Meeting No.

81-77 l

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