05000311/LER-1981-055, Forwards LER 81-055/03L-0.Detailed Event Analysis Encl

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Forwards LER 81-055/03L-0.Detailed Event Analysis Encl
ML20010B883
Person / Time
Site: Salem PSEG icon.png
Issue date: 08/07/1981
From: Uderitz R
Public Service Enterprise Group
To: Grier B
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20010B884 List:
References
NUDOCS 8108180433
Download: ML20010B883 (3)
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LER-1981-055, Forwards LER 81-055/03L-0.Detailed Event Analysis Encl
Event date:
Report date:
3111981055R00 - NRC Website
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text

O PSEG Pubhc Service Electric and Gas Company 80 Park Plaza Newar k, N.J. 07101 Phone 201/430-7000 August 7, 1981 Mr. Boyce H.

Grier d

Director of USNRC o

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.\\s Office of Inspection and Enforcement

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AUC'17 $515-Region 1 6

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631 Park Avenue S' *** Wm King of Prussia, Pennsylvania 19406 4

Dear Mr. Grier:

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LICENSE NO. DPR-75 DOCKET NO. 50-311 REPORTABLE OCCURRENCE 81-55/03L Pursuant to the requirements of Salem Generating Station Unit No. 2 Technical Specifications, Section 6.9.1.9.b, we are submitting Licensee Event Report for Reportable Occurrence 81-55/03L.

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

Sincerely yours, e

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( -

R. A.

Uderitz General Manager -

Nuclear Production l

CC:

Director, Office of Inspection and Enforcement (30 copies)

Director, Office of Management Information and Program Control N"%

(3 copies)

  • >l, 8108100433 810807 PDR ADOCK 05000311 S

PDR The Energy People

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Report Number:

81-55/03L Report Date:

August 7, 1981 Occurrence Date:

7-16-81 Facility:

Salem Generating St *. ion, Unit 2 Public Service Elect. i c & Gas Company Hancocks Bridge, New u 'rsey 08038 IDENTIFICATION OF OCCURRENCE-l Low Service Water Flow On No. 21 Containment Fan Coil Unit.

This report was initiated by Incident Report 81-258.

CONDITIONS PRIOR TO OCCURRENCE:

Mode 1 - Rx Power 20% - Unit Load 200 MWe l

DESCRIPTION OF OCCURRENCE:

On July 16, 1981, the control operator received a low flow alarm on the service water f3ow of No. 21 containment fan coil unit (CFCU).

No. 21 CFCU was dociared inoperable and action statement 3.6.2.3.a was entered at 0550 hours0.00637 days <br />0.153 hours <br />9.093915e-4 weeks <br />2.09275e-4 months <br /> on July 16, 1981.

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

DESIGNATION OF APPARENT CAUSE OF OCCURRENCE:

The inlet transmitter 2FA-3160Z-1 of No. 21 CFCU was clogged 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 inop-erable 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

Transmitter 2FA-3160Z-1 was removed from service, and both legs were blown down.

The equalizer valve was opened, and the blowdown was continued until clean water came out.

Both vent valves were flushed.

The transmitter was returned to service and tested satisfactorily.

Action statement 3.5.2.3.a was terminated at 1456 hours0.0169 days <br />0.404 hours <br />0.00241 weeks <br />5.54008e-4 months <br /> on July 16, 1981.

A program is currently-being planned to blow down all transmitters at regular intervals.

L'ER 81-55/03L - August 7, 1981 FAILURE DATA:

Fischer and Porter Co.

Electronic Differential Pressure Transmitter Series 10B2495 1

Prepared By F.

Dickey W

wW Manager - SaYem Generating Station SORC Meeting No.

81-69 i

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