05000311/LER-1981-037, Forwards LER 81-037/03L-0.Detailed Event Analysis Encl

Forwards LER 81-037/03L-0.Detailed Event Analysis Encl

ML20009G091
Person / Time
Site:	Salem
Issue date:	07/07/1981
From:	Uderitz R Public Service Enterprise Group
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20009G092	List: 05000311/LER-1981-037, Forwards LER 81-037/03L-0.Detailed Event Analysis Encl 05000311/LER-1981-037-03, /03L-0:on 810608,paper Filter Drive for Containment Particulate Channel 2R11A Failed.Caused by Failure of Racket Arm Link on Filter Drive Mechanism.Link Replaced
References
NUDOCS 8108030320
Download: ML20009G091 (3)

LER-1981-037, Forwards LER 81-037/03L-0.Detailed Event Analysis Encl

Event date:
Report date:
3111981037R00 - NRC Website

text

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PuNic Service Electric and Gas Compaoy 80 Park Plaza Newark, N.J. 0 7101 Phone 201/430-7000 d

July 7, '981 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 81-37/03L 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 81-37/03L.

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

Sincerely yours, a %eas<Q R.

A. Uderitz' General Manager -

Nuclear Production CC:

Director, Office of Inspection and Enforcement (30 copies)

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

MN

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i Yhe Energy People 95 20(, (400M) 1-J1

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I (w3 f) v Report Number:

81-37/03L Rcport Date:

July 7, 1981 Occurrence Date:

6-8-81 Facility:

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

Radiation Monitoring System - Containment Particulate Channel -

2RllA - Inoperable CONDITIONS PRIOR TO OCCURRENCE:

Mode 2 - Rx Power 0% - Unit Load 0 MWe DESCRIPTION OF OCCURRENCE:

During startup operations, at 1400 hours0.0162 days <br />0.389 hours <br />0.00231 weeks <br />5.327e-4 months <br />, June 8, 1981, the paner filter drive for the Containment Particulate Channel 2RllA failed.

The channel was declared inoperable and Action Statements 3.3.3.1 and 3.4.7.1 were entered.

This occurrence constituted operation in a degraded mode in accordance with Technical Specification 6.9.1.9.b.

DESIGNATION OF APPARENT CAUSE OF OCCURRENCE:

Equipment failure.

Investigation of this occurrence disclosed the rachet arm link on the filter drive mechanism had failed.

ANALYSIS OF OCCURRENCE:

Technical Specification 3.3.3.1 requires compliance with the action requirements of 3.4.7.1 which requires that with only two leakage systems operable, operation may continue for up to 30 days provided grab samples of the containment atmosphere are obtained and analyzed at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> when the required gaseous and/or particulate radioactivity monitoring system is inoperable.

CORRECTIVE ACTION

The rachet arm link was replaced in kind.

Channel ".RllA was tested satisfactorily and returned to an operable status.

Action Statements 3.3.3.1 and 3.4.7.1 were terminated at 1540 hours0.0178 days <br />0.428 hours <br />0.00255 weeks <br />5.8597e-4 months <br />, June 8, 1981.

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LER 81-37/03L.

July 7, 1981 FAILURE DATA:

Victoreen Rachet Arm Link Part No. 841-1-17

!W.d Prepared By J.

J.

Espey

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f Manager'- Sdlen/ Generatina Station SORC Meeting No.

81-58