05000272/LER-1981-067, Forwards LER 81-067/03L-0.Detailed Event Analysis Encl

Forwards LER 81-067/03L-0.Detailed Event Analysis Encl

ML20030B188
Person / Time
Site:	Salem
Issue date:	07/24/1981
From:	Uderitz R Public Service Enterprise Group
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20030B189	List: 05000272/LER-1981-067, Forwards LER 81-067/03L-0.Detailed Event Analysis Encl 05000272/LER-1981-067-03, /03L-0:on 810703,svc Water Flow to Containment Fan Coil Unit 13 Was Erratic in High & Low Speeds.Caused by Missing Actuator Feedback Cotter Pin on Svc Water Flow Control Valve.Pin Replaced & Setpoints Adjusted
References
NUDOCS 8108060207
Download: ML20030B188 (2)

LER-1981-067, Forwards LER 81-067/03L-0.Detailed Event Analysis Encl

Event date:
Report date:
2721981067R00 - NRC Website

text

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LER l 0 PSEG Public Service Electric and Gas Cornpany 80 Park Plaza Newark, N.J. 07101 Phone 201/430-7000 July 24, 1981

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Mr. Boyce H. Grier

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Director of USNRC

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Office of Inspection and Enforcement 4

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eM,.ywun.Q 631 Park Avenue King of Prussia, Pennsylvania 19406

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Dear Mr. Grier:

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LICENSE NO. DPR-70 DOCKET NO. 50-272 REPORTABLE OCCURRENCE 81-67/03L

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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 81-67/03L.

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

Sincerely yours, ff S "

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R. A.

Uderitz General Manager -

l Nuclear Production CC:

Director, Office of Inspection and Enforcement (30 copies)

Director, Office of Management l

Information and Program Control (3 copies) s'lt 8108060207 810724 PDR ADOCK 05000272 S

PDR The Energy People 9s 2mi wm i si

Report Number:

81-67/03L Report Date:

July 24, 1981

• Occurrence Date:

7-3-81 Facility:

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

No. 13 Containment Fan Coil Unit (CFCU) - Inoperable.

This report was initiated by Incident Report 81-233.

CONDITIONS PRIOR TO OCCURRENCE:

Mode 1 - Rx Power 97% - Unit Load 1030 MWe DESCRIPTION OF OCCURRENCE:

At 2048 hours0.0237 days <br />0.569 hours <br />0.00339 weeks <br />7.79264e-4 months <br />, July 3, 1981, the control operator noticed erratic service water flow to the No. 13 CFCU in both high and low speeds.

The CFCU was declared inoperable and action statement 3.6.2.3.a was entered.

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:

Equipment failure.

The actuator for service water flow control valve 13SW223 was malfunctioning.

ANALYSIS OF OCCURRENCE:

Technical t uecification paragraph 3.6.2.3.a requires:

With one group of containment cooling fans inoperable and i

both Containment Spray Systems operable, restore the inop-erable group of cooling fans to operable status within 7 r

l days or be in at least hot standby within the next six hours 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 />.

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CORRECTIVE ACTION

The actuator feedback cotter pin on flow control valve 13SW223 was missing.

The cotter pin was replaced and the setpoints were adjusted. The CFCU was tested satisfactorily and placed in service.

l Action statement 3.6.2.3.a was terminated at 2135 hours0.0247 days <br />0.593 hours <br />0.00353 weeks <br />8.123675e-4 months <br />, July 5, 1981.

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FAILURE DATA:

l Masoneilan 10" Control Ball Valve Mark Number BA-47 Prepared By F.

Dickey 4 % Q-l Manager - Salem Generating Station SORC Meeting No.

81-66