05000311/LER-1981-027, Forwards LER 81-027/03L-0.Detailed Event Analysis Encl

Forwards LER 81-027/03L-0.Detailed Event Analysis Encl

ML20005B060
Person / Time
Site:	Salem
Issue date:	06/22/1981
From:	Uderitz R Public Service Enterprise Group
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20005B061	List: 05000311/LER-1981-027, Forwards LER 81-027/03L-0.Detailed Event Analysis Encl 05000311/LER-1981-027-03, /03L-0:on 810523,valve 2PR6 Position Indication Malfunctioned.Caused by Motor Operator Limit Switch Being Out of Adjustment.Switch Adjusted
References
NUDOCS 8107060269
Download: ML20005B060 (3)

LER-1981-027, Forwards LER 81-027/03L-0.Detailed Event Analysis Encl

Event date:
Report date:
3111981027R00 - NRC Website

text

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PSEG Public Service Electric and Gas Cornpany 80 Park Plaza Newark, N.J. 07101 Phone 201/430-7000 June 22, 1981 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-75 DOCKET NO. 50-311 REPORTABLE OCCURRENCE 81-27/03L 2

Pursuant to the requirements of Salem Generating Station Unit No.

Technical Specifications, Section 6.9.1.9.b, we are submitting Licensee Event Report for Reportable Occurrence 81-27/03L.

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

Sincerely yours, f

/-

R. A. Uderitz C/

General Manager -

Nuclear Production CC:

Director, Office of Inspection and Enforcement (30 copies)

Director, Office of Management Information and Program Control (3 copies) b sy 8107060269 810622 PDR ADOCK 05000311 S

PDR

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3';7: 1 ?'

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PSEC Public Service Electric and Gas Company 80 Park Fiaza New<.+. N.J. 07101 Phone 201/430 7000 June 22, 1981 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-75 DOCKET NO. 50-311 REPORTABLE OCCURRENCE 81-27/03L 2

Pursuant to the requirements of Salem Generating Station Unit No.

Technical Specifications, Section 6.9.1.9.b, we are submitting Licensee Event Report for Reportable Occurrence 81-27/03L.

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

Sincerely yours,

/N ff R. A. Uder' General Manager -

Nuclear Production N

CC:

Director, Office of Inspection and Enforcement (30 copies) l Director, Office of Management Information and Program Control l

(3 copies) l l

l 95 2M' 357.'

e R port Number:

81-27/03L

't R: port Date:

June 22, 1981 Occurrence Date:

5/23/81 Fccility:

Salem Generating Station, Unit 2 Public Service Electric & Gas Company Hancocks Bridge, New Jersey 08038 IDENTIFICATION OF OCCURRENCE:

Valve 2PR6 Open/ Closed Indication Malfunction CONDITIONS PRIOR TO OCCURRENCE:

Mode 3 - Rx Power 0% - Unit Load 0 MW DESCRIPTION OF OCCURRENCE:

Action Statement 3.4.5.b was entered at 1551 hours0.018 days <br />0.431 hours <br />0.00256 weeks <br />5.901555e-4 months <br /> on May 23, 1981, when valve position indication could not be obtained in either the open or closed position.

The valve was declared inoperable, closed, cnd power to the motor operator removed.

DESIGNATION OF APPARENT CAUSE OF OCCURRENCE:

M chanical failure.

2PR6 would not indicate either open or closed due to the motor operator limit switch being out of adjustment.

ANALYSIS OF OCCURRENCE:

With one or more block valves inoperable, within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />, either restore the block valves to operable status or close the block valves and remove power from the block valves, otherwise, 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

The motor operator limit switch was adjusted and 2PR6 tested satisfactorily.

FAILURE DATA:

Not Applicable Prepared By J.

J.

Espey

( A-('42.---- -

Mapr-SalemGeneratingStation n

SORC Meeting No.

81-54 t