ML18086A457

Forwards LER 81-038/03L-0

ML18086A457
Person / Time
Site:	Salem
Issue date:	05/01/1981
From:	Steele W, Uderitz R Public Service Enterprise Group
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18086A458	List: ML18086A457 ML18086A459
References
NUDOCS 8105080360
Download: ML18086A457 (3)

Text

PS~G Public Service Electric and Gas Company 80 Park Plaza Newark, N.J. 07101 Phone 201/430-7000 May 1, 1981 Mr. Boyce H. Grier Director of USNRC Off ice of Inspection and Enforcement Region i 631 Park Avenue King of Prussia, Pennsylvania 19406

Dear Mr. Grier:

LICENSE NO. DPR-70 DOCKET NO. 50-272 REPORTABLE OCCURRENCE 81-38/03L Pursuant to the requirements of Salem Generating Station Unit No. 1 Technical Specifications, Section 6.9.1, we are submitting Licensee Event Report for Reportable Occurrence 81-38/03L. This report is required within thirty (30) days of the occurrence.

Sincerely yours, c----

~ .. ~

dt/li&r R. A. Uderilz General Manager -

Nuclear Production CC: Director, Office of Inspection and Enforcement (30 copies)

Director, Office of Management Information and Program Control (3 copies) 5 4/J!1 () I ;-, ~ C *-* r ' r* , .- C. r* ;! 1n n

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~ PS~G Public Service Electric and Gas Company 80 Park Plaza Newark, N.J. 07101 Phone 201/430-7000 May 1, 1981 Mr. Boyce H. Grier Director of USNRC Off ice 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 81-38/03L Pursuant to the requirements of Salem Generating Station Unit No. 1 Technical Specifications, Section 6.9.1, we are submitting Licensee Event Report for Reportable Occurrence 81-38/cr3L. This report is required within thirty (30) days of the occurrence.

Sincerely yours, c-*-

A't:cM:/

R. A. Uderrtz General Manager Nuclear Production CC: Director, Office of Inspection and Enforcement (30 copies)

Director, Office of Management Information and Program Control (3 copies) g:, 2001 1350:1.) 4-80

Report Number:

Report Date: May 1, 1981 Occurrence Date: 4/04/81 Facility: Salem Generating Station, Unit 1 Public Service Electric & Gas Company Hancocks Bridge, New Jersey 08038 IDENTIFICATION OF OCCURRENCE:

Loss of Audible Fire Alarm CONDITIONS PRIOR TO OCCURRENCE:

Mode 5 - Rx Power 0% - Unit Load 0 MW DESCRIPTION OF OCCURRENCE:

While performing routine testing of the Fire Detection System IAW the Salem Generating Station Fire Fighting Manual, it was discovered that no audible alarm signals were being generated. Action State-ment 3.3.3.6.a was entered at 1256.hours.

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

DESIGNATION OF APPARENT CAUSE OF OCCURRENCE:

Equipment Failure - A limit switch in the No. 14 Decoder in the Tone Generating System was binding and prevented th.e decoder from completing the sequential action necessary to generate the audible alarm. The limit switch had drifted out of adjustment.

ANALYSIS OF OCCURRENCE:

Technical Specification 3~3.3.6.a requires that a fire watch patrol be established to inspect the zone(s) with the inoperable instrument(s) at least once per hour.

CORRECTIVE ACTION:

The 'decoder and its limit switch were readjusted, cycled several times and tested satisfactory. The Action Statement was terminated at 1526 hours0.0177 days <br />0.424 hours <br />0.00252 weeks <br />5.80643e-4 months <br />.

FAILURE DATA:

Pyrotronics - Decoder - Model ZCP-4 Prepared By W. J. Steele Manager - Salem Generating Station SORC Meeting No. 81-30