ML18086A459

LER 81-038/03L-0:on 810404,during Routine Testing,No Audible Fire Alarm Signals Were Generated.Caused by Out of Adjustment Limit Switch.Decoder & Limit Switch Readjusted, Cycled & Tested Satisfactorily

ML18086A459
Person / Time
Site:	Salem
Issue date:	05/01/1981
From:	Steele W Public Service Enterprise Group
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18086A458	List: ML18086A457 ML18086A459
References
LER-81-038-03L, LER-81-38-3L, NUDOCS 8105080365
Download: ML18086A459 (1)

Text

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REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES@

[)))) I 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 Statement 3.3.3.6.a was entered at 1256 hours0.0145 days <br />0.349 hours <br />0.00208 weeks <br />4.77908e-4 months <br />. Previous similar occurrences: 81-06, 81-19, 81-26.

ITill 7 8 9 80 SYSTEM CAUSE CAUSE COMP. VALVE CODE CODE SUBCODE COMPONENT CODE SUB CODE SUB CODE

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7 8 9 10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION A LE R RO LVENT YEAR REPORT NO. CODE TYPE NC.

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I A limit switch had drifted out of adjustment preventing the decoder from completing

• the sequential action necessary to generate the audible alarm. The decoder and its limit switch were readjusted, cycled and tested satisfactory. The Action IJJ1] I Statement was terminated at 1526 hours0.0177 days <br />0.424 hours <br />0.00252 weeks <br />5.80643e-4 months <br />.

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7 8 9 80 FACILITY METHOD OF ~

STATUS  % POWER OTHER STATUS DISCOVERY DISCOVERY DESCRIPTION '23.I ITEJ W@ B 9 10 10 10 12l@I._1'_

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7 45 46 80 ACTIVITY CONTENT ~

RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE@

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7 B 9 11 12 80 LOSS OF OR DAMAGE TO FACILITY G TYPE DESCRIPTION ~

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NRC USE ONLY ISSUEDr,;:;\ DESCRIPTION~

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7 8 9 10 8105080 ~'c: 68 69 80 ;;.

NAME OF PREPARER --r. J. Steele PHONE: _ _ _ 6_0_9_-_93_5_-_0_9_9_B_ _ __ 0 0.

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